[X86] Add cost model tests for shifts with -x86-experimental-vector-widening-legalization.

llvm-svn: 347694

3 files changed, 1589 insertions, 0 deletions

diff --git a/llvm/test/Analysis/CostModel/X86/testshiftashr-widen.ll b/llvm/test/Analysis/CostModel/X86/testshiftashr-widen.ll
new file mode 100644
index 00000000000..dcd70ecf159
--- /dev/null
+++ b/llvm/test/Analysis/CostModel/X86/testshiftashr-widen.ll
@@ -0,0 +1,531 @@
+; RUN: llc -x86-experimental-vector-widening-legalization -mtriple=x86_64-apple-darwin -mcpu=core2 < %s | FileCheck --check-prefix=SSE2-CODEGEN %s
+; RUN: opt -x86-experimental-vector-widening-legalization -mtriple=x86_64-apple-darwin -mcpu=core2 -cost-model -analyze < %s | FileCheck --check-prefix=SSE2 %s
+
+%shifttype = type <2 x i16>
+define %shifttype @shift2i16(%shifttype %a, %shifttype %b) {
+entry:
+  ; SSE2-LABEL: shift2i16
+  ; SSE2: cost of 32 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift2i16
+  ; SSE2-CODEGEN: psraw
+
+  %0 = ashr %shifttype %a , %b
+  ret %shifttype %0
+}
+
+%shifttype4i16 = type <4 x i16>
+define %shifttype4i16 @shift4i16(%shifttype4i16 %a, %shifttype4i16 %b) {
+entry:
+  ; SSE2-LABEL: shift4i16
+  ; SSE2: cost of 32 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift4i16
+  ; SSE2-CODEGEN: psraw
+
+  %0 = ashr %shifttype4i16 %a , %b
+  ret %shifttype4i16 %0
+}
+
+%shifttype8i16 = type <8 x i16>
+define %shifttype8i16 @shift8i16(%shifttype8i16 %a, %shifttype8i16 %b) {
+entry:
+  ; SSE2-LABEL: shift8i16
+  ; SSE2: cost of 32 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift8i16
+  ; SSE2-CODEGEN: psraw
+
+  %0 = ashr %shifttype8i16 %a , %b
+  ret %shifttype8i16 %0
+}
+
+%shifttype16i16 = type <16 x i16>
+define %shifttype16i16 @shift16i16(%shifttype16i16 %a, %shifttype16i16 %b) {
+entry:
+  ; SSE2-LABEL: shift16i16
+  ; SSE2: cost of 64 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift16i16
+  ; SSE2-CODEGEN: psraw
+
+  %0 = ashr %shifttype16i16 %a , %b
+  ret %shifttype16i16 %0
+}
+
+%shifttype32i16 = type <32 x i16>
+define %shifttype32i16 @shift32i16(%shifttype32i16 %a, %shifttype32i16 %b) {
+entry:
+  ; SSE2-LABEL: shift32i16
+  ; SSE2: cost of 128 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift32i16
+  ; SSE2-CODEGEN: psraw
+
+  %0 = ashr %shifttype32i16 %a , %b
+  ret %shifttype32i16 %0
+}
+
+%shifttype2i32 = type <2 x i32>
+define %shifttype2i32 @shift2i32(%shifttype2i32 %a, %shifttype2i32 %b) {
+entry:
+  ; SSE2-LABEL: shift2i32
+  ; SSE2: cost of 16 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift2i32
+  ; SSE2-CODEGEN: psrad
+
+  %0 = ashr %shifttype2i32 %a , %b
+  ret %shifttype2i32 %0
+}
+
+%shifttype4i32 = type <4 x i32>
+define %shifttype4i32 @shift4i32(%shifttype4i32 %a, %shifttype4i32 %b) {
+entry:
+  ; SSE2-LABEL: shift4i32
+  ; SSE2: cost of 16 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift4i32
+  ; SSE2-CODEGEN: psrad
+
+  %0 = ashr %shifttype4i32 %a , %b
+  ret %shifttype4i32 %0
+}
+
+%shifttype8i32 = type <8 x i32>
+define %shifttype8i32 @shift8i32(%shifttype8i32 %a, %shifttype8i32 %b) {
+entry:
+  ; SSE2-LABEL: shift8i32
+  ; SSE2: cost of 32 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift8i32
+  ; SSE2-CODEGEN: psrad
+
+  %0 = ashr %shifttype8i32 %a , %b
+  ret %shifttype8i32 %0
+}
+
+%shifttype16i32 = type <16 x i32>
+define %shifttype16i32 @shift16i32(%shifttype16i32 %a, %shifttype16i32 %b) {
+entry:
+  ; SSE2-LABEL: shift16i32
+  ; SSE2: cost of 64 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift16i32
+  ; SSE2-CODEGEN: psrad
+
+  %0 = ashr %shifttype16i32 %a , %b
+  ret %shifttype16i32 %0
+}
+
+%shifttype32i32 = type <32 x i32>
+define %shifttype32i32 @shift32i32(%shifttype32i32 %a, %shifttype32i32 %b) {
+entry:
+  ; SSE2-LABEL: shift32i32
+  ; SSE2: cost of 128 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift32i32
+  ; SSE2-CODEGEN: psrad
+
+  %0 = ashr %shifttype32i32 %a , %b
+  ret %shifttype32i32 %0
+}
+
+%shifttype2i64 = type <2 x i64>
+define %shifttype2i64 @shift2i64(%shifttype2i64 %a, %shifttype2i64 %b) {
+entry:
+  ; SSE2-LABEL: shift2i64
+  ; SSE2: cost of 12 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift2i64
+  ; SSE2-CODEGEN: psrlq
+
+  %0 = ashr %shifttype2i64 %a , %b
+  ret %shifttype2i64 %0
+}
+
+%shifttype4i64 = type <4 x i64>
+define %shifttype4i64 @shift4i64(%shifttype4i64 %a, %shifttype4i64 %b) {
+entry:
+  ; SSE2-LABEL: shift4i64
+  ; SSE2: cost of 24 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift4i64
+  ; SSE2-CODEGEN: psrlq
+
+  %0 = ashr %shifttype4i64 %a , %b
+  ret %shifttype4i64 %0
+}
+
+%shifttype8i64 = type <8 x i64>
+define %shifttype8i64 @shift8i64(%shifttype8i64 %a, %shifttype8i64 %b) {
+entry:
+  ; SSE2-LABEL: shift8i64
+  ; SSE2: cost of 48 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift8i64
+  ; SSE2-CODEGEN: psrlq
+
+  %0 = ashr %shifttype8i64 %a , %b
+  ret %shifttype8i64 %0
+}
+
+%shifttype16i64 = type <16 x i64>
+define %shifttype16i64 @shift16i64(%shifttype16i64 %a, %shifttype16i64 %b) {
+entry:
+  ; SSE2-LABEL: shift16i64
+  ; SSE2: cost of 96 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift16i64
+  ; SSE2-CODEGEN: psrlq
+
+  %0 = ashr %shifttype16i64 %a , %b
+  ret %shifttype16i64 %0
+}
+
+%shifttype32i64 = type <32 x i64>
+define %shifttype32i64 @shift32i64(%shifttype32i64 %a, %shifttype32i64 %b) {
+entry:
+  ; SSE2-LABEL: shift32i64
+  ; SSE2: cost of 192 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift32i64
+  ; SSE2-CODEGEN: psrlq
+
+  %0 = ashr %shifttype32i64 %a , %b
+  ret %shifttype32i64 %0
+}
+
+%shifttype2i8 = type <2 x i8>
+define %shifttype2i8 @shift2i8(%shifttype2i8 %a, %shifttype2i8 %b) {
+entry:
+  ; SSE2-LABEL: shift2i8
+  ; SSE2: cost of 54 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift2i8
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = ashr %shifttype2i8 %a , %b
+  ret %shifttype2i8 %0
+}
+
+%shifttype4i8 = type <4 x i8>
+define %shifttype4i8 @shift4i8(%shifttype4i8 %a, %shifttype4i8 %b) {
+entry:
+  ; SSE2-LABEL: shift4i8
+  ; SSE2: cost of 54 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift4i8
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = ashr %shifttype4i8 %a , %b
+  ret %shifttype4i8 %0
+}
+
+%shifttype8i8 = type <8 x i8>
+define %shifttype8i8 @shift8i8(%shifttype8i8 %a, %shifttype8i8 %b) {
+entry:
+  ; SSE2-LABEL: shift8i8
+  ; SSE2: cost of 54 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift8i8
+  ; SSE2-CODEGEN: psraw
+
+  %0 = ashr %shifttype8i8 %a , %b
+  ret %shifttype8i8 %0
+}
+
+%shifttype16i8 = type <16 x i8>
+define %shifttype16i8 @shift16i8(%shifttype16i8 %a, %shifttype16i8 %b) {
+entry:
+  ; SSE2-LABEL: shift16i8
+  ; SSE2: cost of 54 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift16i8
+  ; SSE2-CODEGEN: psraw
+
+  %0 = ashr %shifttype16i8 %a , %b
+  ret %shifttype16i8 %0
+}
+
+%shifttype32i8 = type <32 x i8>
+define %shifttype32i8 @shift32i8(%shifttype32i8 %a, %shifttype32i8 %b) {
+entry:
+  ; SSE2-LABEL: shift32i8
+  ; SSE2: cost of 108 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift32i8
+  ; SSE2-CODEGEN: psraw
+
+  %0 = ashr %shifttype32i8 %a , %b
+  ret %shifttype32i8 %0
+}
+
+; Test shift by a constant a value.
+
+%shifttypec = type <2 x i16>
+define %shifttypec @shift2i16const(%shifttypec %a, %shifttypec %b) {
+entry:
+  ; SSE2-LABEL: shift2i16const
+  ; SSE2: cost of 1 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift2i16const
+  ; SSE2-CODEGEN: psraw $3
+
+  %0 = ashr %shifttypec %a , <i16 3, i16 3>
+  ret %shifttypec %0
+}
+
+%shifttypec4i16 = type <4 x i16>
+define %shifttypec4i16 @shift4i16const(%shifttypec4i16 %a, %shifttypec4i16 %b) {
+entry:
+  ; SSE2-LABEL: shift4i16const
+  ; SSE2: cost of 1 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift4i16const
+  ; SSE2-CODEGEN: psraw $3
+
+  %0 = ashr %shifttypec4i16 %a , <i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec4i16 %0
+}
+
+%shifttypec8i16 = type <8 x i16>
+define %shifttypec8i16 @shift8i16const(%shifttypec8i16 %a, %shifttypec8i16 %b) {
+entry:
+  ; SSE2-LABEL: shift8i16const
+  ; SSE2: cost of 1 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift8i16const
+  ; SSE2-CODEGEN: psraw $3
+
+  %0 = ashr %shifttypec8i16 %a , <i16 3, i16 3, i16 3, i16 3,
+                                  i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec8i16 %0
+}
+
+%shifttypec16i16 = type <16 x i16>
+define %shifttypec16i16 @shift16i16const(%shifttypec16i16 %a,
+                                         %shifttypec16i16 %b) {
+entry:
+  ; SSE2-LABEL: shift16i16const
+  ; SSE2: cost of 2 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift16i16const
+  ; SSE2-CODEGEN: psraw $3
+
+  %0 = ashr %shifttypec16i16 %a , <i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec16i16 %0
+}
+
+%shifttypec32i16 = type <32 x i16>
+define %shifttypec32i16 @shift32i16const(%shifttypec32i16 %a,
+                                        %shifttypec32i16 %b) {
+entry:
+  ; SSE2-LABEL: shift32i16const
+  ; SSE2: cost of 4 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift32i16const
+  ; SSE2-CODEGEN: psraw $3
+
+  %0 = ashr %shifttypec32i16 %a , <i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec32i16 %0
+}
+
+%shifttypec2i32 = type <2 x i32>
+define %shifttypec2i32 @shift2i32c(%shifttypec2i32 %a, %shifttypec2i32 %b) {
+entry:
+  ; SSE2-LABEL: shift2i32c
+  ; SSE2: cost of 1 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift2i32c
+  ; SSE2-CODEGEN: psrad $3
+
+  %0 = ashr %shifttypec2i32 %a , <i32 3, i32 3>
+  ret %shifttypec2i32 %0
+}
+
+%shifttypec4i32 = type <4 x i32>
+define %shifttypec4i32 @shift4i32c(%shifttypec4i32 %a, %shifttypec4i32 %b) {
+entry:
+  ; SSE2-LABEL: shift4i32c
+  ; SSE2: cost of 1 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift4i32c
+  ; SSE2-CODEGEN: psrad $3
+
+  %0 = ashr %shifttypec4i32 %a , <i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec4i32 %0
+}
+
+%shifttypec8i32 = type <8 x i32>
+define %shifttypec8i32 @shift8i32c(%shifttypec8i32 %a, %shifttypec8i32 %b) {
+entry:
+  ; SSE2-LABEL: shift8i32c
+  ; SSE2: cost of 2 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift8i32c
+  ; SSE2-CODEGEN: psrad $3
+
+  %0 = ashr %shifttypec8i32 %a , <i32 3, i32 3, i32 3, i32 3,
+                                  i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec8i32 %0
+}
+
+%shifttypec16i32 = type <16 x i32>
+define %shifttypec16i32 @shift16i32c(%shifttypec16i32 %a, %shifttypec16i32 %b) {
+entry:
+  ; SSE2-LABEL: shift16i32c
+  ; SSE2: cost of 4 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift16i32c
+  ; SSE2-CODEGEN: psrad $3
+
+  %0 = ashr %shifttypec16i32 %a , <i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec16i32 %0
+}
+
+%shifttypec32i32 = type <32 x i32>
+define %shifttypec32i32 @shift32i32c(%shifttypec32i32 %a, %shifttypec32i32 %b) {
+entry:
+  ; SSE2-LABEL: shift32i32c
+  ; getTypeConversion fails here and promotes this to a i64.
+  ; SSE2: cost of 8 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift32i32c
+  ; SSE2-CODEGEN: psrad $3
+  %0 = ashr %shifttypec32i32 %a , <i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec32i32 %0
+}
+
+%shifttypec2i64 = type <2 x i64>
+define %shifttypec2i64 @shift2i64c(%shifttypec2i64 %a, %shifttypec2i64 %b) {
+entry:
+  ; SSE2-LABEL: shift2i64c
+  ; SSE2: cost of 4 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift2i64c
+  ; SSE2-CODEGEN: psrad $3
+
+  %0 = ashr %shifttypec2i64 %a , <i64 3, i64 3>
+  ret %shifttypec2i64 %0
+}
+
+%shifttypec4i64 = type <4 x i64>
+define %shifttypec4i64 @shift4i64c(%shifttypec4i64 %a, %shifttypec4i64 %b) {
+entry:
+  ; SSE2-LABEL: shift4i64c
+  ; SSE2: cost of 8 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift4i64c
+  ; SSE2-CODEGEN: psrad $3
+
+  %0 = ashr %shifttypec4i64 %a , <i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec4i64 %0
+}
+
+%shifttypec8i64 = type <8 x i64>
+define %shifttypec8i64 @shift8i64c(%shifttypec8i64 %a, %shifttypec8i64 %b) {
+entry:
+  ; SSE2-LABEL: shift8i64c
+  ; SSE2: cost of 16 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift8i64c
+  ; SSE2-CODEGEN: psrad $3
+
+ %0 = ashr %shifttypec8i64 %a , <i64 3, i64 3, i64 3, i64 3,
+                                 i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec8i64 %0
+}
+
+%shifttypec16i64 = type <16 x i64>
+define %shifttypec16i64 @shift16i64c(%shifttypec16i64 %a, %shifttypec16i64 %b) {
+entry:
+  ; SSE2-LABEL: shift16i64c
+  ; SSE2: cost of 32 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift16i64c
+  ; SSE2-CODEGEN: psrad $3
+
+  %0 = ashr %shifttypec16i64 %a , <i64 3, i64 3, i64 3, i64 3,
+                                   i64 3, i64 3, i64 3, i64 3,
+                                   i64 3, i64 3, i64 3, i64 3,
+                                   i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec16i64 %0
+}
+
+%shifttypec32i64 = type <32 x i64>
+define %shifttypec32i64 @shift32i64c(%shifttypec32i64 %a, %shifttypec32i64 %b) {
+entry:
+  ; SSE2-LABEL: shift32i64c
+  ; SSE2: cost of 64 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift32i64c
+  ; SSE2-CODEGEN: psrad $3
+
+  %0 = ashr %shifttypec32i64 %a ,<i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec32i64 %0
+}
+
+%shifttypec2i8 = type <2 x i8>
+define %shifttypec2i8 @shift2i8c(%shifttypec2i8 %a, %shifttypec2i8 %b) {
+entry:
+  ; SSE2-LABEL: shift2i8c
+  ; SSE2: cost of 4 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift2i8c
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = ashr %shifttypec2i8 %a , <i8 3, i8 3>
+  ret %shifttypec2i8 %0
+}
+
+%shifttypec4i8 = type <4 x i8>
+define %shifttypec4i8 @shift4i8c(%shifttypec4i8 %a, %shifttypec4i8 %b) {
+entry:
+  ; SSE2-LABEL: shift4i8c
+  ; SSE2: cost of 4 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift4i8c
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = ashr %shifttypec4i8 %a , <i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec4i8 %0
+}
+
+%shifttypec8i8 = type <8 x i8>
+define %shifttypec8i8 @shift8i8c(%shifttypec8i8 %a, %shifttypec8i8 %b) {
+entry:
+  ; SSE2-LABEL: shift8i8c
+  ; SSE2: cost of 4 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift8i8c
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = ashr %shifttypec8i8 %a , <i8 3, i8 3, i8 3, i8 3,
+                                 i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec8i8 %0
+}
+
+%shifttypec16i8 = type <16 x i8>
+define %shifttypec16i8 @shift16i8c(%shifttypec16i8 %a, %shifttypec16i8 %b) {
+entry:
+  ; SSE2-LABEL: shift16i8c
+  ; SSE2: cost of 4 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift16i8c
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = ashr %shifttypec16i8 %a , <i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec16i8 %0
+}
+
+%shifttypec32i8 = type <32 x i8>
+define %shifttypec32i8 @shift32i8c(%shifttypec32i8 %a, %shifttypec32i8 %b) {
+entry:
+  ; SSE2-LABEL: shift32i8c
+  ; SSE2: cost of 8 {{.*}} ashr
+  ; SSE2-CODEGEN-LABEL: shift32i8c
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = ashr %shifttypec32i8 %a , <i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec32i8 %0
+}
+
diff --git a/llvm/test/Analysis/CostModel/X86/testshiftlshr-widen.ll b/llvm/test/Analysis/CostModel/X86/testshiftlshr-widen.ll
new file mode 100644
index 00000000000..96a0ef75c06
--- /dev/null
+++ b/llvm/test/Analysis/CostModel/X86/testshiftlshr-widen.ll
@@ -0,0 +1,529 @@
+; RUN: llc -x86-experimental-vector-widening-legalization -mtriple=x86_64-apple-darwin -mcpu=core2 < %s | FileCheck --check-prefix=SSE2-CODEGEN %s
+; RUN: opt -x86-experimental-vector-widening-legalization -mtriple=x86_64-apple-darwin -mcpu=core2 -cost-model -analyze < %s | FileCheck --check-prefix=SSE2 %s
+
+%shifttype = type <2 x i16>
+define %shifttype @shift2i16(%shifttype %a, %shifttype %b) {
+entry:
+  ; SSE2-LABEL: shift2i16
+  ; SSE2: cost of 32 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift2i16
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = lshr %shifttype %a , %b
+  ret %shifttype %0
+}
+
+%shifttype4i16 = type <4 x i16>
+define %shifttype4i16 @shift4i16(%shifttype4i16 %a, %shifttype4i16 %b) {
+entry:
+  ; SSE2-LABEL: shift4i16
+  ; SSE2: cost of 32 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift4i16
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = lshr %shifttype4i16 %a , %b
+  ret %shifttype4i16 %0
+}
+
+%shifttype8i16 = type <8 x i16>
+define %shifttype8i16 @shift8i16(%shifttype8i16 %a, %shifttype8i16 %b) {
+entry:
+  ; SSE2-LABEL: shift8i16
+  ; SSE2: cost of 32 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift8i16
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = lshr %shifttype8i16 %a , %b
+  ret %shifttype8i16 %0
+}
+
+%shifttype16i16 = type <16 x i16>
+define %shifttype16i16 @shift16i16(%shifttype16i16 %a, %shifttype16i16 %b) {
+entry:
+  ; SSE2-LABEL: shift16i16
+  ; SSE2: cost of 64 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift16i16
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = lshr %shifttype16i16 %a , %b
+  ret %shifttype16i16 %0
+}
+
+%shifttype32i16 = type <32 x i16>
+define %shifttype32i16 @shift32i16(%shifttype32i16 %a, %shifttype32i16 %b) {
+entry:
+  ; SSE2-LABEL: shift32i16
+  ; SSE2: cost of 128 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift32i16
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = lshr %shifttype32i16 %a , %b
+  ret %shifttype32i16 %0
+}
+
+%shifttype2i32 = type <2 x i32>
+define %shifttype2i32 @shift2i32(%shifttype2i32 %a, %shifttype2i32 %b) {
+entry:
+  ; SSE2-LABEL: shift2i32
+  ; SSE2: cost of 16 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift2i32
+  ; SSE2-CODEGEN: psrld
+
+  %0 = lshr %shifttype2i32 %a , %b
+  ret %shifttype2i32 %0
+}
+
+%shifttype4i32 = type <4 x i32>
+define %shifttype4i32 @shift4i32(%shifttype4i32 %a, %shifttype4i32 %b) {
+entry:
+  ; SSE2-LABEL: shift4i32
+  ; SSE2: cost of 16 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift4i32
+  ; SSE2-CODEGEN: psrld
+
+  %0 = lshr %shifttype4i32 %a , %b
+  ret %shifttype4i32 %0
+}
+
+%shifttype8i32 = type <8 x i32>
+define %shifttype8i32 @shift8i32(%shifttype8i32 %a, %shifttype8i32 %b) {
+entry:
+  ; SSE2-LABEL: shift8i32
+  ; SSE2: cost of 32 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift8i32
+  ; SSE2-CODEGEN: psrld
+
+  %0 = lshr %shifttype8i32 %a , %b
+  ret %shifttype8i32 %0
+}
+
+%shifttype16i32 = type <16 x i32>
+define %shifttype16i32 @shift16i32(%shifttype16i32 %a, %shifttype16i32 %b) {
+entry:
+  ; SSE2-LABEL: shift16i32
+  ; SSE2: cost of 64 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift16i32
+  ; SSE2-CODEGEN: psrld
+
+  %0 = lshr %shifttype16i32 %a , %b
+  ret %shifttype16i32 %0
+}
+
+%shifttype32i32 = type <32 x i32>
+define %shifttype32i32 @shift32i32(%shifttype32i32 %a, %shifttype32i32 %b) {
+entry:
+  ; SSE2-LABEL: shift32i32
+  ; SSE2: cost of 128 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift32i32
+  ; SSE2-CODEGEN: psrld
+
+  %0 = lshr %shifttype32i32 %a , %b
+  ret %shifttype32i32 %0
+}
+
+%shifttype2i64 = type <2 x i64>
+define %shifttype2i64 @shift2i64(%shifttype2i64 %a, %shifttype2i64 %b) {
+entry:
+  ; SSE2-LABEL: shift2i64
+  ; SSE2: cost of 4 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift2i64
+  ; SSE2-CODEGEN: psrlq
+
+  %0 = lshr %shifttype2i64 %a , %b
+  ret %shifttype2i64 %0
+}
+
+%shifttype4i64 = type <4 x i64>
+define %shifttype4i64 @shift4i64(%shifttype4i64 %a, %shifttype4i64 %b) {
+entry:
+  ; SSE2-LABEL: shift4i64
+  ; SSE2: cost of 8 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift4i64
+  ; SSE2-CODEGEN: psrlq
+
+  %0 = lshr %shifttype4i64 %a , %b
+  ret %shifttype4i64 %0
+}
+
+%shifttype8i64 = type <8 x i64>
+define %shifttype8i64 @shift8i64(%shifttype8i64 %a, %shifttype8i64 %b) {
+entry:
+  ; SSE2-LABEL: shift8i64
+  ; SSE2: cost of 16 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift8i64
+  ; SSE2-CODEGEN: psrlq
+
+  %0 = lshr %shifttype8i64 %a , %b
+  ret %shifttype8i64 %0
+}
+
+%shifttype16i64 = type <16 x i64>
+define %shifttype16i64 @shift16i64(%shifttype16i64 %a, %shifttype16i64 %b) {
+entry:
+  ; SSE2-LABEL: shift16i64
+  ; SSE2: cost of 32 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift16i64
+  ; SSE2-CODEGEN: psrlq
+
+  %0 = lshr %shifttype16i64 %a , %b
+  ret %shifttype16i64 %0
+}
+
+%shifttype32i64 = type <32 x i64>
+define %shifttype32i64 @shift32i64(%shifttype32i64 %a, %shifttype32i64 %b) {
+entry:
+  ; SSE2-LABEL: shift32i64
+  ; SSE2: cost of 64 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift32i64
+  ; SSE2-CODEGEN: psrlq
+
+  %0 = lshr %shifttype32i64 %a , %b
+  ret %shifttype32i64 %0
+}
+
+%shifttype2i8 = type <2 x i8>
+define %shifttype2i8 @shift2i8(%shifttype2i8 %a, %shifttype2i8 %b) {
+entry:
+  ; SSE2-LABEL: shift2i8
+  ; SSE2: cost of 26 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift2i8
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = lshr %shifttype2i8 %a , %b
+  ret %shifttype2i8 %0
+}
+
+%shifttype4i8 = type <4 x i8>
+define %shifttype4i8 @shift4i8(%shifttype4i8 %a, %shifttype4i8 %b) {
+entry:
+  ; SSE2-LABEL: shift4i8
+  ; SSE2: cost of 26 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift4i8
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = lshr %shifttype4i8 %a , %b
+  ret %shifttype4i8 %0
+}
+
+%shifttype8i8 = type <8 x i8>
+define %shifttype8i8 @shift8i8(%shifttype8i8 %a, %shifttype8i8 %b) {
+entry:
+  ; SSE2-LABEL: shift8i8
+  ; SSE2: cost of 26 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift8i8
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = lshr %shifttype8i8 %a , %b
+  ret %shifttype8i8 %0
+}
+
+%shifttype16i8 = type <16 x i8>
+define %shifttype16i8 @shift16i8(%shifttype16i8 %a, %shifttype16i8 %b) {
+entry:
+  ; SSE2-LABEL: shift16i8
+  ; SSE2: cost of 26 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift16i8
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = lshr %shifttype16i8 %a , %b
+  ret %shifttype16i8 %0
+}
+
+%shifttype32i8 = type <32 x i8>
+define %shifttype32i8 @shift32i8(%shifttype32i8 %a, %shifttype32i8 %b) {
+entry:
+  ; SSE2-LABEL: shift32i8
+  ; SSE2: cost of 52 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift32i8
+  ; SSE2-CODEGEN: psrlw
+
+  %0 = lshr %shifttype32i8 %a , %b
+  ret %shifttype32i8 %0
+}
+
+; Test shift by a constant vector.
+
+%shifttypec = type <2 x i16>
+define %shifttypec @shift2i16const(%shifttypec %a, %shifttypec %b) {
+entry:
+  ; SSE2-LABEL: shift2i16const
+  ; SSE2: cost of 1 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift2i16const
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = lshr %shifttypec %a , <i16 3, i16 3>
+  ret %shifttypec %0
+}
+
+%shifttypec4i16 = type <4 x i16>
+define %shifttypec4i16 @shift4i16const(%shifttypec4i16 %a, %shifttypec4i16 %b) {
+entry:
+  ; SSE2-LABEL: shift4i16const
+  ; SSE2: cost of 1 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift4i16const
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = lshr %shifttypec4i16 %a , <i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec4i16 %0
+}
+
+%shifttypec8i16 = type <8 x i16>
+define %shifttypec8i16 @shift8i16const(%shifttypec8i16 %a, %shifttypec8i16 %b) {
+entry:
+  ; SSE2-LABEL: shift8i16const
+  ; SSE2: cost of 1 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift8i16const
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = lshr %shifttypec8i16 %a , <i16 3, i16 3, i16 3, i16 3,
+                                  i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec8i16 %0
+}
+
+%shifttypec16i16 = type <16 x i16>
+define %shifttypec16i16 @shift16i16const(%shifttypec16i16 %a,
+                                         %shifttypec16i16 %b) {
+entry:
+  ; SSE2-LABEL: shift16i16const
+  ; SSE2: cost of 2 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift16i16const
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = lshr %shifttypec16i16 %a , <i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec16i16 %0
+}
+
+%shifttypec32i16 = type <32 x i16>
+define %shifttypec32i16 @shift32i16const(%shifttypec32i16 %a,
+                                        %shifttypec32i16 %b) {
+entry:
+  ; SSE2-LABEL: shift32i16const
+  ; SSE2: cost of 4 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift32i16const
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = lshr %shifttypec32i16 %a , <i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec32i16 %0
+}
+
+%shifttypec2i32 = type <2 x i32>
+define %shifttypec2i32 @shift2i32c(%shifttypec2i32 %a, %shifttypec2i32 %b) {
+entry:
+  ; SSE2-LABEL: shift2i32c
+  ; SSE2: cost of 1 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift2i32c
+  ; SSE2-CODEGEN: psrld $3
+
+  %0 = lshr %shifttypec2i32 %a , <i32 3, i32 3>
+  ret %shifttypec2i32 %0
+}
+
+%shifttypec4i32 = type <4 x i32>
+define %shifttypec4i32 @shift4i32c(%shifttypec4i32 %a, %shifttypec4i32 %b) {
+entry:
+  ; SSE2-LABEL: shift4i32c
+  ; SSE2: cost of 1 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift4i32c
+  ; SSE2-CODEGEN: psrld $3
+
+  %0 = lshr %shifttypec4i32 %a , <i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec4i32 %0
+}
+
+%shifttypec8i32 = type <8 x i32>
+define %shifttypec8i32 @shift8i32c(%shifttypec8i32 %a, %shifttypec8i32 %b) {
+entry:
+  ; SSE2-LABEL: shift8i32c
+  ; SSE2: cost of 2 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift8i32c
+  ; SSE2-CODEGEN: psrld $3
+
+  %0 = lshr %shifttypec8i32 %a , <i32 3, i32 3, i32 3, i32 3,
+                                  i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec8i32 %0
+}
+
+%shifttypec16i32 = type <16 x i32>
+define %shifttypec16i32 @shift16i32c(%shifttypec16i32 %a, %shifttypec16i32 %b) {
+entry:
+  ; SSE2-LABEL: shift16i32c
+  ; SSE2: cost of 4 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift16i32c
+  ; SSE2-CODEGEN: psrld $3
+
+  %0 = lshr %shifttypec16i32 %a , <i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec16i32 %0
+}
+
+%shifttypec32i32 = type <32 x i32>
+define %shifttypec32i32 @shift32i32c(%shifttypec32i32 %a, %shifttypec32i32 %b) {
+entry:
+  ; SSE2-LABEL: shift32i32c
+  ; SSE2: cost of 8 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift32i32c
+  ; SSE2-CODEGEN: psrld $3
+  %0 = lshr %shifttypec32i32 %a , <i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec32i32 %0
+}
+
+%shifttypec2i64 = type <2 x i64>
+define %shifttypec2i64 @shift2i64c(%shifttypec2i64 %a, %shifttypec2i64 %b) {
+entry:
+  ; SSE2-LABEL: shift2i64c
+  ; SSE2: cost of 1 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift2i64c
+  ; SSE2-CODEGEN: psrlq $3
+
+  %0 = lshr %shifttypec2i64 %a , <i64 3, i64 3>
+  ret %shifttypec2i64 %0
+}
+
+%shifttypec4i64 = type <4 x i64>
+define %shifttypec4i64 @shift4i64c(%shifttypec4i64 %a, %shifttypec4i64 %b) {
+entry:
+  ; SSE2-LABEL: shift4i64c
+  ; SSE2: cost of 2 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift4i64c
+  ; SSE2-CODEGEN: psrlq $3
+
+  %0 = lshr %shifttypec4i64 %a , <i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec4i64 %0
+}
+
+%shifttypec8i64 = type <8 x i64>
+define %shifttypec8i64 @shift8i64c(%shifttypec8i64 %a, %shifttypec8i64 %b) {
+entry:
+  ; SSE2-LABEL: shift8i64c
+  ; SSE2: cost of 4 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift8i64c
+  ; SSE2-CODEGEN: psrlq $3
+
+ %0 = lshr %shifttypec8i64 %a , <i64 3, i64 3, i64 3, i64 3,
+                                 i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec8i64 %0
+}
+
+%shifttypec16i64 = type <16 x i64>
+define %shifttypec16i64 @shift16i64c(%shifttypec16i64 %a, %shifttypec16i64 %b) {
+entry:
+  ; SSE2-LABEL: shift16i64c
+  ; SSE2: cost of 8 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift16i64c
+  ; SSE2-CODEGEN: psrlq $3
+
+  %0 = lshr %shifttypec16i64 %a , <i64 3, i64 3, i64 3, i64 3,
+                                   i64 3, i64 3, i64 3, i64 3,
+                                   i64 3, i64 3, i64 3, i64 3,
+                                   i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec16i64 %0
+}
+
+%shifttypec32i64 = type <32 x i64>
+define %shifttypec32i64 @shift32i64c(%shifttypec32i64 %a, %shifttypec32i64 %b) {
+entry:
+  ; SSE2-LABEL: shift32i64c
+  ; SSE2: cost of 16 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift32i64c
+  ; SSE2-CODEGEN: psrlq $3
+
+  %0 = lshr %shifttypec32i64 %a ,<i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec32i64 %0
+}
+
+%shifttypec2i8 = type <2 x i8>
+define %shifttypec2i8 @shift2i8c(%shifttypec2i8 %a, %shifttypec2i8 %b) {
+entry:
+  ; SSE2-LABEL: shift2i8c
+  ; SSE2: cost of 2 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift2i8c
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = lshr %shifttypec2i8 %a , <i8 3, i8 3>
+  ret %shifttypec2i8 %0
+}
+
+%shifttypec4i8 = type <4 x i8>
+define %shifttypec4i8 @shift4i8c(%shifttypec4i8 %a, %shifttypec4i8 %b) {
+entry:
+  ; SSE2-LABEL: shift4i8c
+  ; SSE2: cost of 2 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift4i8c
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = lshr %shifttypec4i8 %a , <i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec4i8 %0
+}
+
+%shifttypec8i8 = type <8 x i8>
+define %shifttypec8i8 @shift8i8c(%shifttypec8i8 %a, %shifttypec8i8 %b) {
+entry:
+  ; SSE2-LABEL: shift8i8c
+  ; SSE2: cost of 2 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift8i8c
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = lshr %shifttypec8i8 %a , <i8 3, i8 3, i8 3, i8 3,
+                                 i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec8i8 %0
+}
+
+%shifttypec16i8 = type <16 x i8>
+define %shifttypec16i8 @shift16i8c(%shifttypec16i8 %a, %shifttypec16i8 %b) {
+entry:
+  ; SSE2-LABEL: shift16i8c
+  ; SSE2: cost of 2 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift16i8c
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = lshr %shifttypec16i8 %a , <i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec16i8 %0
+}
+
+%shifttypec32i8 = type <32 x i8>
+define %shifttypec32i8 @shift32i8c(%shifttypec32i8 %a, %shifttypec32i8 %b) {
+entry:
+  ; SSE2-LABEL: shift32i8c
+  ; SSE2: cost of 4 {{.*}} lshr
+  ; SSE2-CODEGEN-LABEL: shift32i8c
+  ; SSE2-CODEGEN: psrlw $3
+
+  %0 = lshr %shifttypec32i8 %a , <i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec32i8 %0
+}
diff --git a/llvm/test/Analysis/CostModel/X86/testshiftshl-widen.ll b/llvm/test/Analysis/CostModel/X86/testshiftshl-widen.ll
new file mode 100644
index 00000000000..28276e5835f
--- /dev/null
+++ b/llvm/test/Analysis/CostModel/X86/testshiftshl-widen.ll
@@ -0,0 +1,529 @@
+; RUN: llc -x86-experimental-vector-widening-legalization -mtriple=x86_64-apple-darwin -mcpu=core2 < %s | FileCheck --check-prefix=SSE2-CODEGEN %s
+; RUN: opt -x86-experimental-vector-widening-legalization -mtriple=x86_64-apple-darwin -mcpu=core2 -cost-model -analyze < %s | FileCheck --check-prefix=SSE2 %s
+
+%shifttype = type <2 x i16>
+define %shifttype @shift2i16(%shifttype %a, %shifttype %b) {
+entry:
+  ; SSE2-LABEL: shift2i16
+  ; SSE2: cost of 32 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift2i16
+  ; SSE2-CODEGEN: pmullw
+
+  %0 = shl %shifttype %a , %b
+  ret %shifttype %0
+}
+
+%shifttype4i16 = type <4 x i16>
+define %shifttype4i16 @shift4i16(%shifttype4i16 %a, %shifttype4i16 %b) {
+entry:
+  ; SSE2-LABEL: shift4i16
+  ; SSE2: cost of 32 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift4i16
+  ; SSE2-CODEGEN: pmullw
+
+  %0 = shl %shifttype4i16 %a , %b
+  ret %shifttype4i16 %0
+}
+
+%shifttype8i16 = type <8 x i16>
+define %shifttype8i16 @shift8i16(%shifttype8i16 %a, %shifttype8i16 %b) {
+entry:
+  ; SSE2-LABEL: shift8i16
+  ; SSE2: cost of 32 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift8i16
+  ; SSE2-CODEGEN: pmullw
+
+  %0 = shl %shifttype8i16 %a , %b
+  ret %shifttype8i16 %0
+}
+
+%shifttype16i16 = type <16 x i16>
+define %shifttype16i16 @shift16i16(%shifttype16i16 %a, %shifttype16i16 %b) {
+entry:
+  ; SSE2-LABEL: shift16i16
+  ; SSE2: cost of 64 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift16i16
+  ; SSE2-CODEGEN: pmullw
+
+  %0 = shl %shifttype16i16 %a , %b
+  ret %shifttype16i16 %0
+}
+
+%shifttype32i16 = type <32 x i16>
+define %shifttype32i16 @shift32i16(%shifttype32i16 %a, %shifttype32i16 %b) {
+entry:
+  ; SSE2-LABEL: shift32i16
+  ; SSE2: cost of 128 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift32i16
+  ; SSE2-CODEGEN: pmullw
+
+  %0 = shl %shifttype32i16 %a , %b
+  ret %shifttype32i16 %0
+}
+
+%shifttype2i32 = type <2 x i32>
+define %shifttype2i32 @shift2i32(%shifttype2i32 %a, %shifttype2i32 %b) {
+entry:
+  ; SSE2-LABEL: shift2i32
+  ; SSE2: cost of 10 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift2i32
+  ; SSE2-CODEGEN: pmuludq
+
+  %0 = shl %shifttype2i32 %a , %b
+  ret %shifttype2i32 %0
+}
+
+%shifttype4i32 = type <4 x i32>
+define %shifttype4i32 @shift4i32(%shifttype4i32 %a, %shifttype4i32 %b) {
+entry:
+  ; SSE2-LABEL: shift4i32
+  ; SSE2: cost of 10 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift4i32
+  ; SSE2-CODEGEN: pmuludq
+
+  %0 = shl %shifttype4i32 %a , %b
+  ret %shifttype4i32 %0
+}
+
+%shifttype8i32 = type <8 x i32>
+define %shifttype8i32 @shift8i32(%shifttype8i32 %a, %shifttype8i32 %b) {
+entry:
+  ; SSE2-LABEL: shift8i32
+  ; SSE2: cost of 20 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift8i32
+  ; SSE2-CODEGEN: pmuludq
+
+  %0 = shl %shifttype8i32 %a , %b
+  ret %shifttype8i32 %0
+}
+
+%shifttype16i32 = type <16 x i32>
+define %shifttype16i32 @shift16i32(%shifttype16i32 %a, %shifttype16i32 %b) {
+entry:
+  ; SSE2-LABEL: shift16i32
+  ; SSE2: cost of 40 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift16i32
+  ; SSE2-CODEGEN: pmuludq
+
+  %0 = shl %shifttype16i32 %a , %b
+  ret %shifttype16i32 %0
+}
+
+%shifttype32i32 = type <32 x i32>
+define %shifttype32i32 @shift32i32(%shifttype32i32 %a, %shifttype32i32 %b) {
+entry:
+  ; SSE2-LABEL: shift32i32
+  ; SSE2: cost of 80 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift32i32
+  ; SSE2-CODEGEN: pmuludq
+
+  %0 = shl %shifttype32i32 %a , %b
+  ret %shifttype32i32 %0
+}
+
+%shifttype2i64 = type <2 x i64>
+define %shifttype2i64 @shift2i64(%shifttype2i64 %a, %shifttype2i64 %b) {
+entry:
+  ; SSE2-LABEL: shift2i64
+  ; SSE2: cost of 4 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift2i64
+  ; SSE2-CODEGEN: psllq
+
+  %0 = shl %shifttype2i64 %a , %b
+  ret %shifttype2i64 %0
+}
+
+%shifttype4i64 = type <4 x i64>
+define %shifttype4i64 @shift4i64(%shifttype4i64 %a, %shifttype4i64 %b) {
+entry:
+  ; SSE2-LABEL: shift4i64
+  ; SSE2: cost of 8 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift4i64
+  ; SSE2-CODEGEN: psllq
+
+  %0 = shl %shifttype4i64 %a , %b
+  ret %shifttype4i64 %0
+}
+
+%shifttype8i64 = type <8 x i64>
+define %shifttype8i64 @shift8i64(%shifttype8i64 %a, %shifttype8i64 %b) {
+entry:
+  ; SSE2-LABEL: shift8i64
+  ; SSE2: cost of 16 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift8i64
+  ; SSE2-CODEGEN: psllq
+
+  %0 = shl %shifttype8i64 %a , %b
+  ret %shifttype8i64 %0
+}
+
+%shifttype16i64 = type <16 x i64>
+define %shifttype16i64 @shift16i64(%shifttype16i64 %a, %shifttype16i64 %b) {
+entry:
+  ; SSE2-LABEL: shift16i64
+  ; SSE2: cost of 32 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift16i64
+  ; SSE2-CODEGEN: psllq
+
+  %0 = shl %shifttype16i64 %a , %b
+  ret %shifttype16i64 %0
+}
+
+%shifttype32i64 = type <32 x i64>
+define %shifttype32i64 @shift32i64(%shifttype32i64 %a, %shifttype32i64 %b) {
+entry:
+  ; SSE2-LABEL: shift32i64
+  ; SSE2: cost of 64 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift32i64
+  ; SSE2-CODEGEN: psllq
+
+  %0 = shl %shifttype32i64 %a , %b
+  ret %shifttype32i64 %0
+}
+
+%shifttype2i8 = type <2 x i8>
+define %shifttype2i8 @shift2i8(%shifttype2i8 %a, %shifttype2i8 %b) {
+entry:
+  ; SSE2-LABEL: shift2i8
+  ; SSE2: cost of 26 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift2i8
+  ; SSE2-CODEGEN: psllw
+
+  %0 = shl %shifttype2i8 %a , %b
+  ret %shifttype2i8 %0
+}
+
+%shifttype4i8 = type <4 x i8>
+define %shifttype4i8 @shift4i8(%shifttype4i8 %a, %shifttype4i8 %b) {
+entry:
+  ; SSE2-LABEL: shift4i8
+  ; SSE2: cost of 26 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift4i8
+  ; SSE2-CODEGEN: psllw
+
+  %0 = shl %shifttype4i8 %a , %b
+  ret %shifttype4i8 %0
+}
+
+%shifttype8i8 = type <8 x i8>
+define %shifttype8i8 @shift8i8(%shifttype8i8 %a, %shifttype8i8 %b) {
+entry:
+  ; SSE2-LABEL: shift8i8
+  ; SSE2: cost of 26 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift8i8
+  ; SSE2-CODEGEN: psllw
+
+  %0 = shl %shifttype8i8 %a , %b
+  ret %shifttype8i8 %0
+}
+
+%shifttype16i8 = type <16 x i8>
+define %shifttype16i8 @shift16i8(%shifttype16i8 %a, %shifttype16i8 %b) {
+entry:
+  ; SSE2-LABEL: shift16i8
+  ; SSE2: cost of 26 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift16i8
+  ; SSE2-CODEGEN: psllw
+
+  %0 = shl %shifttype16i8 %a , %b
+  ret %shifttype16i8 %0
+}
+
+%shifttype32i8 = type <32 x i8>
+define %shifttype32i8 @shift32i8(%shifttype32i8 %a, %shifttype32i8 %b) {
+entry:
+  ; SSE2-LABEL: shift32i8
+  ; SSE2: cost of 52 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift32i8
+  ; SSE2-CODEGEN: psllw
+
+  %0 = shl %shifttype32i8 %a , %b
+  ret %shifttype32i8 %0
+}
+
+; Test shift by a constant vector.
+
+%shifttypec = type <2 x i16>
+define %shifttypec @shift2i16const(%shifttypec %a, %shifttypec %b) {
+entry:
+  ; SSE2-LABEL: shift2i16const
+  ; SSE2: cost of 1 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift2i16const
+  ; SSE2-CODEGEN: psllw $3
+
+  %0 = shl %shifttypec %a , <i16 3, i16 3>
+  ret %shifttypec %0
+}
+
+%shifttypec4i16 = type <4 x i16>
+define %shifttypec4i16 @shift4i16const(%shifttypec4i16 %a, %shifttypec4i16 %b) {
+entry:
+  ; SSE2-LABEL: shift4i16const
+  ; SSE2: cost of 1 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift4i16const
+  ; SSE2-CODEGEN: psllw $3
+
+  %0 = shl %shifttypec4i16 %a , <i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec4i16 %0
+}
+
+%shifttypec8i16 = type <8 x i16>
+define %shifttypec8i16 @shift8i16const(%shifttypec8i16 %a, %shifttypec8i16 %b) {
+entry:
+  ; SSE2-LABEL: shift8i16const
+  ; SSE2: cost of 1 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift8i16const
+  ; SSE2-CODEGEN: psllw $3
+
+  %0 = shl %shifttypec8i16 %a , <i16 3, i16 3, i16 3, i16 3,
+                                  i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec8i16 %0
+}
+
+%shifttypec16i16 = type <16 x i16>
+define %shifttypec16i16 @shift16i16const(%shifttypec16i16 %a,
+                                         %shifttypec16i16 %b) {
+entry:
+  ; SSE2-LABEL: shift16i16const
+  ; SSE2: cost of 2 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift16i16const
+  ; SSE2-CODEGEN: psllw $3
+
+  %0 = shl %shifttypec16i16 %a , <i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec16i16 %0
+}
+
+%shifttypec32i16 = type <32 x i16>
+define %shifttypec32i16 @shift32i16const(%shifttypec32i16 %a,
+                                        %shifttypec32i16 %b) {
+entry:
+  ; SSE2-LABEL: shift32i16const
+  ; SSE2: cost of 4 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift32i16const
+  ; SSE2-CODEGEN: psllw $3
+
+  %0 = shl %shifttypec32i16 %a , <i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3,
+                                   i16 3, i16 3, i16 3, i16 3>
+  ret %shifttypec32i16 %0
+}
+
+%shifttypec2i32 = type <2 x i32>
+define %shifttypec2i32 @shift2i32c(%shifttypec2i32 %a, %shifttypec2i32 %b) {
+entry:
+  ; SSE2-LABEL: shift2i32c
+  ; SSE2: cost of 1 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift2i32c
+  ; SSE2-CODEGEN: pslld $3
+
+  %0 = shl %shifttypec2i32 %a , <i32 3, i32 3>
+  ret %shifttypec2i32 %0
+}
+
+%shifttypec4i32 = type <4 x i32>
+define %shifttypec4i32 @shift4i32c(%shifttypec4i32 %a, %shifttypec4i32 %b) {
+entry:
+  ; SSE2-LABEL: shift4i32c
+  ; SSE2: cost of 1 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift4i32c
+  ; SSE2-CODEGEN: pslld $3
+
+  %0 = shl %shifttypec4i32 %a , <i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec4i32 %0
+}
+
+%shifttypec8i32 = type <8 x i32>
+define %shifttypec8i32 @shift8i32c(%shifttypec8i32 %a, %shifttypec8i32 %b) {
+entry:
+  ; SSE2-LABEL: shift8i32c
+  ; SSE2: cost of 2 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift8i32c
+  ; SSE2-CODEGEN: pslld $3
+
+  %0 = shl %shifttypec8i32 %a , <i32 3, i32 3, i32 3, i32 3,
+                                  i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec8i32 %0
+}
+
+%shifttypec16i32 = type <16 x i32>
+define %shifttypec16i32 @shift16i32c(%shifttypec16i32 %a, %shifttypec16i32 %b) {
+entry:
+  ; SSE2-LABEL: shift16i32c
+  ; SSE2: cost of 4 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift16i32c
+  ; SSE2-CODEGEN: pslld $3
+
+  %0 = shl %shifttypec16i32 %a , <i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec16i32 %0
+}
+
+%shifttypec32i32 = type <32 x i32>
+define %shifttypec32i32 @shift32i32c(%shifttypec32i32 %a, %shifttypec32i32 %b) {
+entry:
+  ; SSE2-LABEL: shift32i32c
+  ; SSE2: cost of 8 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift32i32c
+  ; SSE2-CODEGEN: pslld $3
+  %0 = shl %shifttypec32i32 %a , <i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3,
+                                   i32 3, i32 3, i32 3, i32 3>
+  ret %shifttypec32i32 %0
+}
+
+%shifttypec2i64 = type <2 x i64>
+define %shifttypec2i64 @shift2i64c(%shifttypec2i64 %a, %shifttypec2i64 %b) {
+entry:
+  ; SSE2-LABEL: shift2i64c
+  ; SSE2: cost of 1 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift2i64c
+  ; SSE2-CODEGEN: psllq $3
+
+  %0 = shl %shifttypec2i64 %a , <i64 3, i64 3>
+  ret %shifttypec2i64 %0
+}
+
+%shifttypec4i64 = type <4 x i64>
+define %shifttypec4i64 @shift4i64c(%shifttypec4i64 %a, %shifttypec4i64 %b) {
+entry:
+  ; SSE2-LABEL: shift4i64c
+  ; SSE2: cost of 2 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift4i64c
+  ; SSE2-CODEGEN: psllq $3
+
+  %0 = shl %shifttypec4i64 %a , <i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec4i64 %0
+}
+
+%shifttypec8i64 = type <8 x i64>
+define %shifttypec8i64 @shift8i64c(%shifttypec8i64 %a, %shifttypec8i64 %b) {
+entry:
+  ; SSE2-LABEL: shift8i64c
+  ; SSE2: cost of 4 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift8i64c
+  ; SSE2-CODEGEN: psllq $3
+
+ %0 = shl %shifttypec8i64 %a , <i64 3, i64 3, i64 3, i64 3,
+                                 i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec8i64 %0
+}
+
+%shifttypec16i64 = type <16 x i64>
+define %shifttypec16i64 @shift16i64c(%shifttypec16i64 %a, %shifttypec16i64 %b) {
+entry:
+  ; SSE2-LABEL: shift16i64c
+  ; SSE2: cost of 8 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift16i64c
+  ; SSE2-CODEGEN: psllq $3
+
+  %0 = shl %shifttypec16i64 %a , <i64 3, i64 3, i64 3, i64 3,
+                                   i64 3, i64 3, i64 3, i64 3,
+                                   i64 3, i64 3, i64 3, i64 3,
+                                   i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec16i64 %0
+}
+
+%shifttypec32i64 = type <32 x i64>
+define %shifttypec32i64 @shift32i64c(%shifttypec32i64 %a, %shifttypec32i64 %b) {
+entry:
+  ; SSE2-LABEL: shift32i64c
+  ; SSE2: cost of 16 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift32i64c
+  ; SSE2-CODEGEN: psllq $3
+
+  %0 = shl %shifttypec32i64 %a ,<i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3,
+                                  i64 3, i64 3, i64 3, i64 3>
+  ret %shifttypec32i64 %0
+}
+
+%shifttypec2i8 = type <2 x i8>
+define %shifttypec2i8 @shift2i8c(%shifttypec2i8 %a, %shifttypec2i8 %b) {
+entry:
+  ; SSE2-LABEL: shift2i8c
+  ; SSE2: cost of 2 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift2i8c
+  ; SSE2-CODEGEN: psllw $3
+
+  %0 = shl %shifttypec2i8 %a , <i8 3, i8 3>
+  ret %shifttypec2i8 %0
+}
+
+%shifttypec4i8 = type <4 x i8>
+define %shifttypec4i8 @shift4i8c(%shifttypec4i8 %a, %shifttypec4i8 %b) {
+entry:
+  ; SSE2-LABEL: shift4i8c
+  ; SSE2: cost of 2 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift4i8c
+  ; SSE2-CODEGEN: psllw $3
+
+  %0 = shl %shifttypec4i8 %a , <i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec4i8 %0
+}
+
+%shifttypec8i8 = type <8 x i8>
+define %shifttypec8i8 @shift8i8c(%shifttypec8i8 %a, %shifttypec8i8 %b) {
+entry:
+  ; SSE2-LABEL: shift8i8c
+  ; SSE2: cost of 2 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift8i8c
+  ; SSE2-CODEGEN: psllw $3
+
+  %0 = shl %shifttypec8i8 %a , <i8 3, i8 3, i8 3, i8 3,
+                                 i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec8i8 %0
+}
+
+%shifttypec16i8 = type <16 x i8>
+define %shifttypec16i8 @shift16i8c(%shifttypec16i8 %a, %shifttypec16i8 %b) {
+entry:
+  ; SSE2-LABEL: shift16i8c
+  ; SSE2: cost of 2 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift16i8c
+  ; SSE2-CODEGEN: psllw $3
+
+  %0 = shl %shifttypec16i8 %a , <i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec16i8 %0
+}
+
+%shifttypec32i8 = type <32 x i8>
+define %shifttypec32i8 @shift32i8c(%shifttypec32i8 %a, %shifttypec32i8 %b) {
+entry:
+  ; SSE2-LABEL: shift32i8c
+  ; SSE2: cost of 4 {{.*}} shl
+  ; SSE2-CODEGEN-LABEL: shift32i8c
+  ; SSE2-CODEGEN: psllw $3
+
+  %0 = shl %shifttypec32i8 %a , <i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3,
+                                  i8 3, i8 3, i8 3, i8 3>
+  ret %shifttypec32i8 %0
+}