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| author | Craig Topper <craig.topper@intel.com> | 2019-08-18 18:52:46 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2019-08-18 18:52:46 +0000 |
| commit | 9e074c06fe08c6b2da3d119c7aa7e6724a8d13ab (patch) | |
| tree | 2f7019dc6f06876236cc88c0cca2c4f86c5552ab /llvm/test | |
| parent | 37860d524e86488e683bb04064ec34cebb4c74c3 (diff) | |
| download | bcm5719-llvm-9e074c06fe08c6b2da3d119c7aa7e6724a8d13ab.tar.gz bcm5719-llvm-9e074c06fe08c6b2da3d119c7aa7e6724a8d13ab.zip | |
[X86] Improve lower1BitShuffle handling for KSHIFTL on narrow vectors.
We can insert the value into a larger legal type and shift that
by the desired amount.
llvm-svn: 369215
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/kshift.ll | 50 |
1 files changed, 15 insertions, 35 deletions
diff --git a/llvm/test/CodeGen/X86/kshift.ll b/llvm/test/CodeGen/X86/kshift.ll index 245ba5c299f..919299f1347 100644 --- a/llvm/test/CodeGen/X86/kshift.ll +++ b/llvm/test/CodeGen/X86/kshift.ll @@ -5,13 +5,9 @@ define i8 @kshiftl_v8i1_1(<8 x i64> %x, <8 x i64> %y) { ; KNL-LABEL: kshiftl_v8i1_1: ; KNL: # %bb.0: -; KNL-NEXT: vptestnmq %zmm0, %zmm0, %k1 -; KNL-NEXT: vpternlogq $255, %zmm0, %zmm0, %zmm0 {%k1} {z} -; KNL-NEXT: movb $-2, %al -; KNL-NEXT: kmovw %eax, %k1 -; KNL-NEXT: vpexpandq %zmm0, %zmm0 {%k1} {z} -; KNL-NEXT: vptestnmq %zmm1, %zmm1, %k1 -; KNL-NEXT: vptestmq %zmm0, %zmm0, %k0 {%k1} +; KNL-NEXT: vptestnmq %zmm0, %zmm0, %k0 +; KNL-NEXT: kshiftlw $1, %k0, %k1 +; KNL-NEXT: vptestnmq %zmm1, %zmm1, %k0 {%k1} ; KNL-NEXT: kmovw %k0, %eax ; KNL-NEXT: # kill: def $al killed $al killed $eax ; KNL-NEXT: vzeroupper @@ -177,13 +173,9 @@ define i64 @kshiftl_v64i1_1(<64 x i8> %x, <64 x i8> %y) { define i8 @kshiftl_v8i1_7(<8 x i64> %x, <8 x i64> %y) { ; KNL-LABEL: kshiftl_v8i1_7: ; KNL: # %bb.0: -; KNL-NEXT: vptestnmq %zmm0, %zmm0, %k1 -; KNL-NEXT: vpternlogq $255, %zmm0, %zmm0, %zmm0 {%k1} {z} -; KNL-NEXT: movb $-128, %al -; KNL-NEXT: kmovw %eax, %k1 -; KNL-NEXT: vpexpandq %zmm0, %zmm0 {%k1} {z} -; KNL-NEXT: vptestnmq %zmm1, %zmm1, %k1 -; KNL-NEXT: vptestmq %zmm0, %zmm0, %k0 {%k1} +; KNL-NEXT: vptestnmq %zmm0, %zmm0, %k0 +; KNL-NEXT: kshiftlw $7, %k0, %k1 +; KNL-NEXT: vptestnmq %zmm1, %zmm1, %k0 {%k1} ; KNL-NEXT: kmovw %k0, %eax ; KNL-NEXT: # kill: def $al killed $al killed $eax ; KNL-NEXT: vzeroupper @@ -475,13 +467,9 @@ define i64 @kshiftr_v64i1_1(<64 x i8> %x, <64 x i8> %y) { define i8 @kshiftr_v8i1_7(<8 x i64> %x, <8 x i64> %y) { ; KNL-LABEL: kshiftr_v8i1_7: ; KNL: # %bb.0: -; KNL-NEXT: vptestnmq %zmm0, %zmm0, %k1 -; KNL-NEXT: vpternlogq $255, %zmm0, %zmm0, %zmm0 {%k1} {z} -; KNL-NEXT: movb $-2, %al -; KNL-NEXT: kmovw %eax, %k1 -; KNL-NEXT: vpexpandq %zmm0, %zmm0 {%k1} {z} -; KNL-NEXT: vptestnmq %zmm1, %zmm1, %k1 -; KNL-NEXT: vptestmq %zmm0, %zmm0, %k0 {%k1} +; KNL-NEXT: vptestnmq %zmm0, %zmm0, %k0 +; KNL-NEXT: kshiftlw $1, %k0, %k1 +; KNL-NEXT: vptestnmq %zmm1, %zmm1, %k0 {%k1} ; KNL-NEXT: kmovw %k0, %eax ; KNL-NEXT: # kill: def $al killed $al killed $eax ; KNL-NEXT: vzeroupper @@ -599,14 +587,9 @@ define i64 @kshiftr_v64i1_63(<64 x i8> %x, <64 x i8> %y) { define i8 @kshiftl_v8i1_zu123u56(<8 x i64> %x, <8 x i64> %y) { ; KNL-LABEL: kshiftl_v8i1_zu123u56: ; KNL: # %bb.0: -; KNL-NEXT: vptestnmq %zmm0, %zmm0, %k1 -; KNL-NEXT: vpxor %xmm0, %xmm0, %xmm0 -; KNL-NEXT: vpternlogq $255, %zmm2, %zmm2, %zmm2 {%k1} {z} -; KNL-NEXT: vmovdqa64 {{.*#+}} zmm3 = <8,u,1,2,3,u,5,6> -; KNL-NEXT: vpermi2q %zmm0, %zmm2, %zmm3 -; KNL-NEXT: vpsllq $63, %zmm3, %zmm0 -; KNL-NEXT: vptestnmq %zmm1, %zmm1, %k1 -; KNL-NEXT: vptestmq %zmm0, %zmm0, %k0 {%k1} +; KNL-NEXT: vptestnmq %zmm0, %zmm0, %k0 +; KNL-NEXT: kshiftlw $1, %k0, %k1 +; KNL-NEXT: vptestnmq %zmm1, %zmm1, %k0 {%k1} ; KNL-NEXT: kmovw %k0, %eax ; KNL-NEXT: # kill: def $al killed $al killed $eax ; KNL-NEXT: vzeroupper @@ -632,12 +615,9 @@ define i8 @kshiftl_v8i1_zu123u56(<8 x i64> %x, <8 x i64> %y) { define i8 @kshiftl_v8i1_u0123456(<8 x i64> %x, <8 x i64> %y) { ; KNL-LABEL: kshiftl_v8i1_u0123456: ; KNL: # %bb.0: -; KNL-NEXT: vptestnmq %zmm0, %zmm0, %k1 -; KNL-NEXT: vpternlogq $255, %zmm0, %zmm0, %zmm0 {%k1} {z} -; KNL-NEXT: valignq {{.*#+}} zmm0 = zmm0[7,0,1,2,3,4,5,6] -; KNL-NEXT: vpsllq $63, %zmm0, %zmm0 -; KNL-NEXT: vptestnmq %zmm1, %zmm1, %k1 -; KNL-NEXT: vptestmq %zmm0, %zmm0, %k0 {%k1} +; KNL-NEXT: vptestnmq %zmm0, %zmm0, %k0 +; KNL-NEXT: kshiftlw $1, %k0, %k1 +; KNL-NEXT: vptestnmq %zmm1, %zmm1, %k0 {%k1} ; KNL-NEXT: kmovw %k0, %eax ; KNL-NEXT: # kill: def $al killed $al killed $eax ; KNL-NEXT: vzeroupper |
