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Make blend tests more specific 

Following the lead set by r209324, I'm making these tests match the whole
instruction, so we can be sure we're lowering them correctly.

llvm-svn: 209947
This commit is contained in:
Filipe Cabecinhas 2014-05-31 00:52:23 +00:00
parent ea4269e7a8
commit 83f4192a47
3 changed files with 17 additions and 8 deletions
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17
llvm/test/CodeGen/X86/avx-blend.ll
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@ -162,7 +162,16 @@ declare <4 x double> @llvm.x86.avx.blendv.pd.256(<4 x double>, <4 x double>, <4
;; 4 tests for shufflevectors that optimize to blend + immediate
; CHECK-LABEL: @blend_shufflevector_4xfloat
define <4 x float> @blend_shufflevector_4xfloat(<4 x float> %a, <4 x float> %b) {
; CHECK: vblendps
; Equivalent select mask is <i1 true, i1 false, i1 true, i1 false>.
; Big endian representation is 0101 = 5.
; '1' means takes the first argument, '0' means takes the second argument.
; This is the opposite of the intel syntax, thus we expect
; Inverted mask: 1010 = 10.
; According to the ABI:
; a is in xmm0 => first argument is xmm0.
; b is in xmm1 => second argument is xmm1.
; Result is in xmm0 => destination argument.
; CHECK: vblendps $10, %xmm1, %xmm0, %xmm0
; CHECK: ret
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
ret <4 x float> %1
@ -170,7 +179,7 @@ define <4 x float> @blend_shufflevector_4xfloat(<4 x float> %a, <4 x float> %b)
; CHECK-LABEL: @blend_shufflevector_8xfloat
define <8 x float> @blend_shufflevector_8xfloat(<8 x float> %a, <8 x float> %b) {
; CHECK: vblendps
; CHECK: vblendps $190, %ymm1, %ymm0, %ymm0
; CHECK: ret
%1 = shufflevector <8 x float> %a, <8 x float> %b, <8 x i32> <i32 0, i32 9, i32 10, i32 11, i32 12, i32 13, i32 6, i32 15>
ret <8 x float> %1
@ -178,7 +187,7 @@ define <8 x float> @blend_shufflevector_8xfloat(<8 x float> %a, <8 x float> %b)
; CHECK-LABEL: @blend_shufflevector_4xdouble
define <4 x double> @blend_shufflevector_4xdouble(<4 x double> %a, <4 x double> %b) {
; CHECK: vblendpd
; CHECK: vblendpd $2, %ymm1, %ymm0, %ymm0
; CHECK: ret
%1 = shufflevector <4 x double> %a, <4 x double> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 3>
ret <4 x double> %1
@ -186,7 +195,7 @@ define <4 x double> @blend_shufflevector_4xdouble(<4 x double> %a, <4 x double>
; CHECK-LABEL: @blend_shufflevector_4xi64
define <4 x i64> @blend_shufflevector_4xi64(<4 x i64> %a, <4 x i64> %b) {
; CHECK: vblendpd
; CHECK: vblendpd $13, %ymm1, %ymm0, %ymm0
; CHECK: ret
%1 = shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 7>
ret <4 x i64> %1

4
llvm/test/CodeGen/X86/avx2-shuffle.ll
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@ -62,7 +62,7 @@ define <4 x i64> @blend_test4(<4 x i64> %a, <4 x i64> %b) nounwind alwaysinline
;; 2 tests for shufflevectors that optimize to blend + immediate
; CHECK-LABEL: @blend_test5
; CHECK: vpblendd
; CHECK: vpblendd $10, %xmm1, %xmm0, %xmm0
; CHECK: ret
define <4 x i32> @blend_test5(<4 x i32> %a, <4 x i32> %b) {
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
@ -70,7 +70,7 @@ define <4 x i32> @blend_test5(<4 x i32> %a, <4 x i32> %b) {
}
; CHECK-LABEL: @blend_test6
; CHECK: vpblendw
; CHECK: vpblendw $134, %ymm1, %ymm0, %ymm0
; CHECK: ret
define <16 x i16> @blend_test6(<16 x i16> %a, <16 x i16> %b) {
%1 = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 17, i32 18, i32 3, i32 4, i32 5, i32 6, i32 23,

4
llvm/test/CodeGen/X86/sse41-blend.ll
View File

@ -124,7 +124,7 @@ declare <2 x double> @llvm.x86.sse41.blendvpd(<2 x double>, <2 x double>, <2 x d
;; 2 tests for shufflevectors that optimize to blend + immediate
; CHECK-LABEL: @blend_shufflevector_4xfloat
; CHECK: blendps
; CHECK: blendps $6, %xmm1, %xmm0
; CHECK: ret
define <4 x float> @blend_shufflevector_4xfloat(<4 x float> %a, <4 x float> %b) {
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 6, i32 3>
@ -132,7 +132,7 @@ define <4 x float> @blend_shufflevector_4xfloat(<4 x float> %a, <4 x float> %b)
}
; CHECK-LABEL: @blend_shufflevector_8xi16
; CHECK: pblendw
; CHECK: pblendw $134, %xmm1, %xmm0
; CHECK: ret
define <8 x i16> @blend_shufflevector_8xi16(<8 x i16> %a, <8 x i16> %b) {
%1 = shufflevector <8 x i16> %a, <8 x i16> %b, <8 x i32> <i32 0, i32 9, i32 10, i32 3, i32 4, i32 5, i32 6, i32 15>