[llvm] d53b829 - [VectorCombine][X86] shuffle-of-casts.ll - adjust zext nneg tests to improve costs for testing

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Wed Apr 3 14:30:56 PDT 2024


Author: Simon Pilgrim
Date: 2024-04-03T22:27:14+01:00
New Revision: d53b8291bff4542a9c3e2f1df050deafbe295fff

URL: https://github.com/llvm/llvm-project/commit/d53b8291bff4542a9c3e2f1df050deafbe295fff
DIFF: https://github.com/llvm/llvm-project/commit/d53b8291bff4542a9c3e2f1df050deafbe295fff.diff

LOG: [VectorCombine][X86] shuffle-of-casts.ll - adjust zext nneg tests to improve costs for testing

Improves SSE vs AVX test results for #87510

Added: 
    

Modified: 
    llvm/test/Transforms/VectorCombine/X86/shuffle-of-casts.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/VectorCombine/X86/shuffle-of-casts.ll b/llvm/test/Transforms/VectorCombine/X86/shuffle-of-casts.ll
index b922528c22094a..f804300b10224f 100644
--- a/llvm/test/Transforms/VectorCombine/X86/shuffle-of-casts.ll
+++ b/llvm/test/Transforms/VectorCombine/X86/shuffle-of-casts.ll
@@ -17,31 +17,31 @@ define <16 x i32> @concat_zext_v8i16_v16i32(<8 x i16> %a0, <8 x i16> %a1) {
   ret <16 x i32> %r
 }
 
-define <16 x i32> @concat_zext_nneg_v8i8_v16i32(<8 x i8> %a0, <8 x i8> %a1) {
-; CHECK-LABEL: @concat_zext_nneg_v8i8_v16i32(
-; CHECK-NEXT:    [[X0:%.*]] = zext nneg <8 x i8> [[A0:%.*]] to <8 x i32>
-; CHECK-NEXT:    [[X1:%.*]] = zext nneg <8 x i8> [[A1:%.*]] to <8 x i32>
+define <16 x i32> @concat_zext_nneg_v8i16_v16i32(<8 x i16> %a0, <8 x i16> %a1) {
+; CHECK-LABEL: @concat_zext_nneg_v8i16_v16i32(
+; CHECK-NEXT:    [[X0:%.*]] = zext nneg <8 x i16> [[A0:%.*]] to <8 x i32>
+; CHECK-NEXT:    [[X1:%.*]] = zext nneg <8 x i16> [[A1:%.*]] to <8 x i32>
 ; CHECK-NEXT:    [[R:%.*]] = shufflevector <8 x i32> [[X0]], <8 x i32> [[X1]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
 ; CHECK-NEXT:    ret <16 x i32> [[R]]
 ;
-  %x0 = zext nneg <8 x i8> %a0 to <8 x i32>
-  %x1 = zext nneg <8 x i8> %a1 to <8 x i32>
+  %x0 = zext nneg <8 x i16> %a0 to <8 x i32>
+  %x1 = zext nneg <8 x i16> %a1 to <8 x i32>
   %r = shufflevector <8 x i32> %x0, <8 x i32> %x1, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
   ret <16 x i32> %r
 }
 
 ; TODO - sext + zext nneg -> sext
-define <8 x i32> @concat_sext_zext_nneg_v4i8_v8i32(<4 x i8> %a0, <4 x i8> %a1) {
-; CHECK-LABEL: @concat_sext_zext_nneg_v4i8_v8i32(
-; CHECK-NEXT:    [[X0:%.*]] = sext <4 x i8> [[A0:%.*]] to <4 x i32>
-; CHECK-NEXT:    [[X1:%.*]] = zext nneg <4 x i8> [[A1:%.*]] to <4 x i32>
-; CHECK-NEXT:    [[R:%.*]] = shufflevector <4 x i32> [[X0]], <4 x i32> [[X1]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
-; CHECK-NEXT:    ret <8 x i32> [[R]]
+define <16 x i32> @concat_sext_zext_nneg_v8i16_v8i32(<8 x i16> %a0, <8 x i16> %a1) {
+; CHECK-LABEL: @concat_sext_zext_nneg_v8i16_v8i32(
+; CHECK-NEXT:    [[X0:%.*]] = sext <8 x i16> [[A0:%.*]] to <8 x i32>
+; CHECK-NEXT:    [[X1:%.*]] = zext nneg <8 x i16> [[A1:%.*]] to <8 x i32>
+; CHECK-NEXT:    [[R:%.*]] = shufflevector <8 x i32> [[X0]], <8 x i32> [[X1]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+; CHECK-NEXT:    ret <16 x i32> [[R]]
 ;
-  %x0 = sext <4 x i8> %a0 to <4 x i32>
-  %x1 = zext nneg <4 x i8> %a1 to <4 x i32>
-  %r = shufflevector <4 x i32> %x0, <4 x i32> %x1, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
-  ret <8 x i32> %r
+  %x0 = sext <8 x i16> %a0 to <8 x i32>
+  %x1 = zext nneg <8 x i16> %a1 to <8 x i32>
+  %r = shufflevector <8 x i32> %x0, <8 x i32> %x1, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+  ret <16 x i32> %r
 }
 
 define <16 x i32> @concat_sext_v8i16_v16i32(<8 x i16> %a0, <8 x i16> %a1) {


        


More information about the llvm-commits mailing list