Add support for several vector shifts operations while in AVX mode. Fix PR10581

llvm-svn: 137067

1 files changed, 64 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/X86/avx-shift.ll b/llvm/test/CodeGen/X86/avx-shift.ll
new file mode 100644
index 00000000000..791194fc1c7
--- /dev/null
+++ b/llvm/test/CodeGen/X86/avx-shift.ll
@@ -0,0 +1,64 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
+
+;;; Shift left
+; CHECK: vpslld
+; CHECK: vpslld
+define <8 x i32> @vshift00(<8 x i32> %a) nounwind readnone {
+  %s = shl <8 x i32> %a, <i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32
+2>
+  ret <8 x i32> %s
+}
+
+; CHECK: vpsllw
+; CHECK: vpsllw
+define <16 x i16> @vshift01(<16 x i16> %a) nounwind readnone {
+  %s = shl <16 x i16> %a, <i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2>
+  ret <16 x i16> %s
+}
+
+; CHECK: vpsllq
+; CHECK: vpsllq
+define <4 x i64> @vshift02(<4 x i64> %a) nounwind readnone {
+  %s = shl <4 x i64> %a, <i64 2, i64 2, i64 2, i64 2>
+  ret <4 x i64> %s
+}
+
+;;; Logical Shift right
+; CHECK: vpsrld
+; CHECK: vpsrld
+define <8 x i32> @vshift03(<8 x i32> %a) nounwind readnone {
+  %s = lshr <8 x i32> %a, <i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32
+2>
+  ret <8 x i32> %s
+}
+
+; CHECK: vpsrlw
+; CHECK: vpsrlw
+define <16 x i16> @vshift04(<16 x i16> %a) nounwind readnone {
+  %s = lshr <16 x i16> %a, <i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2>
+  ret <16 x i16> %s
+}
+
+; CHECK: vpsrlq
+; CHECK: vpsrlq
+define <4 x i64> @vshift05(<4 x i64> %a) nounwind readnone {
+  %s = lshr <4 x i64> %a, <i64 2, i64 2, i64 2, i64 2>
+  ret <4 x i64> %s
+}
+
+;;; Arithmetic Shift right
+; CHECK: vpsrad
+; CHECK: vpsrad
+define <8 x i32> @vshift06(<8 x i32> %a) nounwind readnone {
+  %s = ashr <8 x i32> %a, <i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32
+2>
+  ret <8 x i32> %s
+}
+
+; CHECK: vpsraw
+; CHECK: vpsraw
+define <16 x i16> @vshift07(<16 x i16> %a) nounwind readnone {
+  %s = ashr <16 x i16> %a, <i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2>
+  ret <16 x i16> %s
+}
+