[InstCombine] regenerate checks

llvm-svn: 281185

1 files changed, 108 insertions, 98 deletions

diff --git a/llvm/test/Transforms/InstCombine/bitcast.ll b/llvm/test/Transforms/InstCombine/bitcast.ll
index 74958596f23..52a377b8b74 100644
--- a/llvm/test/Transforms/InstCombine/bitcast.ll
+++ b/llvm/test/Transforms/InstCombine/bitcast.ll
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt < %s -instcombine -S | FileCheck %s
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
@@ -6,73 +7,79 @@ target triple = "x86_64-apple-darwin10.0.0"
 ; Bitcasts between vectors and scalars are valid.
 ; PR4487
 define i32 @test1(i64 %a) {
-        %t1 = bitcast i64 %a to <2 x i32>
-        %t2 = bitcast i64 %a to <2 x i32>
-        %t3 = xor <2 x i32> %t1, %t2
-        %t4 = extractelement <2 x i32> %t3, i32 0
-        ret i32 %t4
-
 ; CHECK-LABEL: @test1(
-; CHECK: ret i32 0
+; CHECK-NEXT:    ret i32 0
+;
+  %t1 = bitcast i64 %a to <2 x i32>
+  %t2 = bitcast i64 %a to <2 x i32>
+  %t3 = xor <2 x i32> %t1, %t2
+  %t4 = extractelement <2 x i32> %t3, i32 0
+  ret i32 %t4
 }
 
 ; Perform the bitwise logic in the source type of the operands to eliminate bitcasts.
 
 define <2 x i32> @xor_two_vector_bitcasts(<1 x i64> %a, <1 x i64> %b) {
+; CHECK-LABEL: @xor_two_vector_bitcasts(
+; CHECK-NEXT:    [[T31:%.*]] = xor <1 x i64> %a, %b
+; CHECK-NEXT:    [[T3:%.*]] = bitcast <1 x i64> [[T31]] to <2 x i32>
+; CHECK-NEXT:    ret <2 x i32> [[T3]]
+;
   %t1 = bitcast <1 x i64> %a to <2 x i32>
   %t2 = bitcast <1 x i64> %b to <2 x i32>
   %t3 = xor <2 x i32> %t1, %t2
   ret <2 x i32> %t3
-
-; CHECK-LABEL: @xor_two_vector_bitcasts(
-; CHECK-NEXT:  %t31 = xor <1 x i64> %a, %b
-; CHECK-NEXT:  %t3 = bitcast <1 x i64> %t31 to <2 x i32>
-; CHECK-NEXT:  ret <2 x i32> %t3
 }
 
 ; Verify that 'xor' of vector and constant is done as a vector bitwise op before the bitcast.
 
 define <2 x i32> @xor_bitcast_vec_to_vec(<1 x i64> %a) {
+; CHECK-LABEL: @xor_bitcast_vec_to_vec(
+; CHECK-NEXT:    [[T21:%.*]] = xor <1 x i64> %a, <i64 8589934593>
+; CHECK-NEXT:    [[T2:%.*]] = bitcast <1 x i64> [[T21]] to <2 x i32>
+; CHECK-NEXT:    ret <2 x i32> [[T2]]
+;
   %t1 = bitcast <1 x i64> %a to <2 x i32>
   %t2 = xor <2 x i32> <i32 1, i32 2>, %t1
   ret <2 x i32> %t2
-
-; CHECK-LABEL: @xor_bitcast_vec_to_vec(
-; CHECK-NEXT:  %t21 = xor <1 x i64> %a, <i64 8589934593> 
-; CHECK-NEXT:  %t2 = bitcast <1 x i64> %t21 to <2 x i32>
-; CHECK-NEXT:  ret <2 x i32> %t2
 }
 
 ; Verify that 'and' of integer and constant is done as a vector bitwise op before the bitcast.
 
 define i64 @and_bitcast_vec_to_int(<2 x i32> %a) {
+; CHECK-LABEL: @and_bitcast_vec_to_int(
+; CHECK-NEXT:    [[T21:%.*]] = and <2 x i32> %a, <i32 3, i32 0>
+; CHECK-NEXT:    [[T2:%.*]] = bitcast <2 x i32> [[T21]] to i64
+; CHECK-NEXT:    ret i64 [[T2]]
+;
   %t1 = bitcast <2 x i32> %a to i64
   %t2 = and i64 %t1, 3
   ret i64 %t2
-
-; CHECK-LABEL: @and_bitcast_vec_to_int(
-; CHECK-NEXT:  %t21 = and <2 x i32> %a, <i32 3, i32 0>
-; CHECK-NEXT:  %t2 = bitcast <2 x i32> %t21 to i64
-; CHECK-NEXT:  ret i64 %t2
 }
 
 ; Verify that 'or' of vector and constant is done as an integer bitwise op before the bitcast.
 
 define <2 x i32> @or_bitcast_int_to_vec(i64 %a) {
+; CHECK-LABEL: @or_bitcast_int_to_vec(
+; CHECK-NEXT:    [[T21:%.*]] = or i64 %a, 8589934593
+; CHECK-NEXT:    [[T2:%.*]] = bitcast i64 [[T21]] to <2 x i32>
+; CHECK-NEXT:    ret <2 x i32> [[T2]]
+;
   %t1 = bitcast i64 %a to <2 x i32>
   %t2 = or <2 x i32> %t1, <i32 1, i32 2>
   ret <2 x i32> %t2
-
-; CHECK-LABEL: @or_bitcast_int_to_vec(
-; CHECK-NEXT:  %t21 = or i64 %a, 8589934593
-; CHECK-NEXT:  %t2 = bitcast i64 %t21 to <2 x i32>
-; CHECK-NEXT:  ret <2 x i32> %t2
 }
 
-; Optimize bitcasts that are extracting low element of vector.  This happens
-; because of SRoA.
+; Optimize bitcasts that are extracting low element of vector.  This happens because of SRoA.
 ; rdar://7892780
 define float @test2(<2 x float> %A, <2 x i32> %B) {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT:    [[TMP24:%.*]] = extractelement <2 x float> %A, i32 0
+; CHECK-NEXT:    [[BC:%.*]] = bitcast <2 x i32> %B to <2 x float>
+; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <2 x float> [[BC]], i32 0
+; CHECK-NEXT:    [[ADD:%.*]] = fadd float [[TMP24]], [[TMP4]]
+; CHECK-NEXT:    ret float [[ADD]]
+;
   %tmp28 = bitcast <2 x float> %A to i64  ; <i64> [#uses=2]
   %tmp23 = trunc i64 %tmp28 to i32                ; <i32> [#uses=1]
   %tmp24 = bitcast i32 %tmp23 to float            ; <float> [#uses=1]
@@ -83,19 +90,18 @@ define float @test2(<2 x float> %A, <2 x i32> %B) {
 
   %add = fadd float %tmp24, %tmp4
   ret float %add
-
-; CHECK-LABEL: @test2(
-; CHECK-NEXT:  %tmp24 = extractelement <2 x float> %A, i32 0
-; CHECK-NEXT:  bitcast <2 x i32> %B to <2 x float>
-; CHECK-NEXT:  %tmp4 = extractelement <2 x float> {{.*}}, i32 0
-; CHECK-NEXT:  %add = fadd float %tmp24, %tmp4
-; CHECK-NEXT:  ret float %add
 }
 
-; Optimize bitcasts that are extracting other elements of a vector.  This
-; happens because of SRoA.
+; Optimize bitcasts that are extracting other elements of a vector.  This happens because of SRoA.
 ; rdar://7892780
 define float @test3(<2 x float> %A, <2 x i64> %B) {
+; CHECK-LABEL: @test3(
+; CHECK-NEXT:    [[TMP24:%.*]] = extractelement <2 x float> %A, i32 1
+; CHECK-NEXT:    [[BC2:%.*]] = bitcast <2 x i64> %B to <4 x float>
+; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[BC2]], i32 2
+; CHECK-NEXT:    [[ADD:%.*]] = fadd float [[TMP24]], [[TMP4]]
+; CHECK-NEXT:    ret float [[ADD]]
+;
   %tmp28 = bitcast <2 x float> %A to i64
   %tmp29 = lshr i64 %tmp28, 32
   %tmp23 = trunc i64 %tmp29 to i32
@@ -108,87 +114,85 @@ define float @test3(<2 x float> %A, <2 x i64> %B) {
 
   %add = fadd float %tmp24, %tmp4
   ret float %add
-
-; CHECK-LABEL: @test3(
-; CHECK-NEXT:  %tmp24 = extractelement <2 x float> %A, i32 1
-; CHECK-NEXT:  bitcast <2 x i64> %B to <4 x float>
-; CHECK-NEXT:  %tmp4 = extractelement <4 x float> {{.*}}, i32 2
-; CHECK-NEXT:  %add = fadd float %tmp24, %tmp4
-; CHECK-NEXT:  ret float %add
 }
 
 ; Both bitcasts are unnecessary; change the extractelement.
 
 define float @bitcast_extelt1(<2 x float> %A) {
+; CHECK-LABEL: @bitcast_extelt1(
+; CHECK-NEXT:    [[BC2:%.*]] = extractelement <2 x float> %A, i32 0
+; CHECK-NEXT:    ret float [[BC2]]
+;
   %bc1 = bitcast <2 x float> %A to <2 x i32>
   %ext = extractelement <2 x i32> %bc1, i32 0
   %bc2 = bitcast i32 %ext to float
   ret float %bc2
-
-; CHECK-LABEL: @bitcast_extelt1(
-; CHECK-NEXT:  %bc2 = extractelement <2 x float> %A, i32 0
-; CHECK-NEXT:  ret float %bc2
 }
 
 ; Second bitcast can be folded into the first.
 
 define i64 @bitcast_extelt2(<4 x float> %A) {
+; CHECK-LABEL: @bitcast_extelt2(
+; CHECK-NEXT:    [[BC:%.*]] = bitcast <4 x float> %A to <2 x i64>
+; CHECK-NEXT:    [[BC2:%.*]] = extractelement <2 x i64> [[BC]], i32 1
+; CHECK-NEXT:    ret i64 [[BC2]]
+;
   %bc1 = bitcast <4 x float> %A to <2 x double>
   %ext = extractelement <2 x double> %bc1, i32 1
   %bc2 = bitcast double %ext to i64
   ret i64 %bc2
-
-; CHECK-LABEL: @bitcast_extelt2(
-; CHECK-NEXT:  %bc = bitcast <4 x float> %A to <2 x i64>
-; CHECK-NEXT:  %bc2 = extractelement <2 x i64> %bc, i32 1
-; CHECK-NEXT:  ret i64 %bc2
 }
 
-; TODO: This should return %A. 
+; TODO: This should return %A.
 
 define <2 x i32> @bitcast_extelt3(<2 x i32> %A) {
+; CHECK-LABEL: @bitcast_extelt3(
+; CHECK-NEXT:    [[BC1:%.*]] = bitcast <2 x i32> %A to <1 x i64>
+; CHECK-NEXT:    [[EXT:%.*]] = extractelement <1 x i64> [[BC1]], i32 0
+; CHECK-NEXT:    [[BC2:%.*]] = bitcast i64 [[EXT]] to <2 x i32>
+; CHECK-NEXT:    ret <2 x i32> [[BC2]]
+;
   %bc1 = bitcast <2 x i32> %A to <1 x i64>
   %ext = extractelement <1 x i64> %bc1, i32 0
   %bc2 = bitcast i64 %ext to <2 x i32>
   ret <2 x i32> %bc2
-
-; CHECK-LABEL: @bitcast_extelt3(
-; CHECK-NEXT:  %bc1 = bitcast <2 x i32> %A to <1 x i64>
-; CHECK-NEXT:  %ext = extractelement <1 x i64> %bc1, i32 0
-; CHECK-NEXT:  %bc2 = bitcast i64 %ext to <2 x i32>
-; CHECK-NEXT:  ret <2 x i32> %bc2
 }
 
 ; Handle the case where the input is not a vector.
 
 define double @bitcast_extelt4(i128 %A) {
+; CHECK-LABEL: @bitcast_extelt4(
+; CHECK-NEXT:    [[BC:%.*]] = bitcast i128 %A to <2 x double>
+; CHECK-NEXT:    [[BC2:%.*]] = extractelement <2 x double> [[BC]], i32 0
+; CHECK-NEXT:    ret double [[BC2]]
+;
   %bc1 = bitcast i128 %A to <2 x i64>
   %ext = extractelement <2 x i64> %bc1, i32 0
   %bc2 = bitcast i64 %ext to double
   ret double %bc2
-
-; CHECK-LABEL: @bitcast_extelt4(
-; CHECK-NEXT:  %bc = bitcast i128 %A to <2 x double>
-; CHECK-NEXT:  %bc2 = extractelement <2 x double> %bc, i32 0
-; CHECK-NEXT:  ret double %bc2
 }
 
 define <2 x i32> @test4(i32 %A, i32 %B){
+; CHECK-LABEL: @test4(
+; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x i32> undef, i32 %A, i32 0
+; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <2 x i32> [[TMP1]], i32 %B, i32 1
+; CHECK-NEXT:    ret <2 x i32> [[TMP2]]
+;
   %tmp38 = zext i32 %A to i64
   %tmp32 = zext i32 %B to i64
   %tmp33 = shl i64 %tmp32, 32
   %ins35 = or i64 %tmp33, %tmp38
   %tmp43 = bitcast i64 %ins35 to <2 x i32>
   ret <2 x i32> %tmp43
-  ; CHECK-LABEL: @test4(
-  ; CHECK-NEXT: insertelement <2 x i32> undef, i32 %A, i32 0
-  ; CHECK-NEXT: insertelement <2 x i32> {{.*}}, i32 %B, i32 1
-  ; CHECK-NEXT: ret <2 x i32>
-
 }
 
 ; rdar://8360454
 define <2 x float> @test5(float %A, float %B) {
+; CHECK-LABEL: @test5(
+; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x float> undef, float %A, i32 0
+; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <2 x float> [[TMP1]], float %B, i32 1
+; CHECK-NEXT:    ret <2 x float> [[TMP2]]
+;
   %tmp37 = bitcast float %A to i32
   %tmp38 = zext i32 %tmp37 to i64
   %tmp31 = bitcast float %B to i32
@@ -197,75 +201,81 @@ define <2 x float> @test5(float %A, float %B) {
   %ins35 = or i64 %tmp33, %tmp38
   %tmp43 = bitcast i64 %ins35 to <2 x float>
   ret <2 x float> %tmp43
-  ; CHECK-LABEL: @test5(
-  ; CHECK-NEXT: insertelement <2 x float> undef, float %A, i32 0
-  ; CHECK-NEXT: insertelement <2 x float> {{.*}}, float %B, i32 1
-  ; CHECK-NEXT: ret <2 x float>
 }
 
 define <2 x float> @test6(float %A){
-  %tmp23 = bitcast float %A to i32              ; <i32> [#uses=1]
-  %tmp24 = zext i32 %tmp23 to i64                 ; <i64> [#uses=1]
-  %tmp25 = shl i64 %tmp24, 32                     ; <i64> [#uses=1]
-  %mask20 = or i64 %tmp25, 1109917696             ; <i64> [#uses=1]
-  %tmp35 = bitcast i64 %mask20 to <2 x float>     ; <<2 x float>> [#uses=1]
-  ret <2 x float> %tmp35
 ; CHECK-LABEL: @test6(
-; CHECK-NEXT: insertelement <2 x float> <float 4.200000e+01, float undef>, float %A, i32 1
-; CHECK: ret
+; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x float> <float 4.200000e+01, float undef>, float %A, i32 1
+; CHECK-NEXT:    ret <2 x float> [[TMP1]]
+;
+  %tmp23 = bitcast float %A to i32
+  %tmp24 = zext i32 %tmp23 to i64
+  %tmp25 = shl i64 %tmp24, 32
+  %mask20 = or i64 %tmp25, 1109917696
+  %tmp35 = bitcast i64 %mask20 to <2 x float>
+  ret <2 x float> %tmp35
 }
 
 define i64 @ISPC0(i64 %in) {
+; CHECK-LABEL: @ISPC0(
+; CHECK-NEXT:    ret i64 0
+;
   %out = and i64 %in, xor (i64 bitcast (<4 x i16> <i16 -1, i16 -1, i16 -1, i16 -1> to i64), i64 -1)
   ret i64 %out
-; CHECK-LABEL: @ISPC0(
-; CHECK: ret i64 0
 }
 
 
 define i64 @Vec2(i64 %in) {
+; CHECK-LABEL: @Vec2(
+; CHECK-NEXT:    ret i64 0
+;
   %out = and i64 %in, xor (i64 bitcast (<4 x i16> <i16 0, i16 0, i16 0, i16 0> to i64), i64 0)
   ret i64 %out
-; CHECK-LABEL: @Vec2(
-; CHECK: ret i64 0
 }
 
 define i64 @All11(i64 %in) {
+; CHECK-LABEL: @All11(
+; CHECK-NEXT:    ret i64 0
+;
   %out = and i64 %in, xor (i64 bitcast (<2 x float> bitcast (i64 -1 to <2 x float>) to i64), i64 -1)
   ret i64 %out
-; CHECK-LABEL: @All11(
-; CHECK: ret i64 0
 }
 
 
 define i32 @All111(i32 %in) {
+; CHECK-LABEL: @All111(
+; CHECK-NEXT:    ret i32 0
+;
   %out = and i32 %in, xor (i32 bitcast (<1 x float> bitcast (i32 -1 to <1 x float>) to i32), i32 -1)
   ret i32 %out
-; CHECK-LABEL: @All111(
-; CHECK: ret i32 0
 }
 
 define <2 x i16> @BitcastInsert(i32 %a) {
+; CHECK-LABEL: @BitcastInsert(
+; CHECK-NEXT:    [[R:%.*]] = bitcast i32 %a to <2 x i16>
+; CHECK-NEXT:    ret <2 x i16> [[R]]
+;
   %v = insertelement <1 x i32> undef, i32 %a, i32 0
   %r = bitcast <1 x i32> %v to <2 x i16>
   ret <2 x i16> %r
-; CHECK-LABEL: @BitcastInsert(
-; CHECK: bitcast i32 %a to <2 x i16>
 }
 
 ; PR17293
 define <2 x i64> @test7(<2 x i8*>* %arg) nounwind {
+; CHECK-LABEL: @test7(
+; CHECK-NEXT:    [[CAST:%.*]] = bitcast <2 x i8*>* %arg to <2 x i64>*
+; CHECK-NEXT:    [[LOAD:%.*]] = load <2 x i64>, <2 x i64>* [[CAST]], align 16
+; CHECK-NEXT:    ret <2 x i64> [[LOAD]]
+;
   %cast = bitcast <2 x i8*>* %arg to <2 x i64>*
   %load = load <2 x i64>, <2 x i64>* %cast, align 16
   ret <2 x i64> %load
-; CHECK: @test7
-; CHECK: bitcast
-; CHECK: load
 }
 
 define i8 @test8() {
+; CHECK-LABEL: @test8(
+; CHECK-NEXT:    ret i8 -85
+;
   %res = bitcast <8 x i1> <i1 true, i1 true, i1 false, i1 true, i1 false, i1 true, i1 false, i1 true> to i8
   ret i8 %res
-; CHECK: @test8
-; CHECK: ret i8 -85
 }