[llvm] 7462da1 - [X86] Add test coverage for #141475
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Tue May 27 03:52:02 PDT 2025
Author: Simon Pilgrim
Date: 2025-05-27T11:44:58+01:00
New Revision: 7462da18a1cd1d0fc9190b30822d4574f062b6df
URL: https://github.com/llvm/llvm-project/commit/7462da18a1cd1d0fc9190b30822d4574f062b6df
DIFF: https://github.com/llvm/llvm-project/commit/7462da18a1cd1d0fc9190b30822d4574f062b6df.diff
LOG: [X86] Add test coverage for #141475
Added:
Modified:
llvm/test/CodeGen/X86/vector-shuffle-combining.ll
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining.ll
index 68040b58858a7..f216bcacfe04a 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-combining.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-combining.ll
@@ -3546,6 +3546,65 @@ define <16 x i8> @PR107289(<16 x i8> %0) {
ret <16 x i8> %res
}
+define <8 x i16> @PR141475(i32 %in) {
+; SSE2-LABEL: PR141475:
+; SSE2: # %bb.0:
+; SSE2-NEXT: movd %edi, %xmm0
+; SSE2-NEXT: pslld $1, %xmm0
+; SSE2-NEXT: xorps %xmm1, %xmm1
+; SSE2-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
+; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm1[0,0,0,0,4,5,6,7]
+; SSE2-NEXT: retq
+;
+; SSSE3-LABEL: PR141475:
+; SSSE3: # %bb.0:
+; SSSE3-NEXT: movd %edi, %xmm0
+; SSSE3-NEXT: pslld $1, %xmm0
+; SSSE3-NEXT: xorps %xmm1, %xmm1
+; SSSE3-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
+; SSSE3-NEXT: pshuflw {{.*#+}} xmm0 = xmm1[0,0,0,0,4,5,6,7]
+; SSSE3-NEXT: retq
+;
+; SSE41-LABEL: PR141475:
+; SSE41: # %bb.0:
+; SSE41-NEXT: movd %edi, %xmm0
+; SSE41-NEXT: pslld $1, %xmm0
+; SSE41-NEXT: pxor %xmm1, %xmm1
+; SSE41-NEXT: pblendw {{.*#+}} xmm1 = xmm0[0,1],xmm1[2,3,4,5,6,7]
+; SSE41-NEXT: pshuflw {{.*#+}} xmm0 = xmm1[0,0,0,0,4,5,6,7]
+; SSE41-NEXT: retq
+;
+; AVX1-LABEL: PR141475:
+; AVX1: # %bb.0:
+; AVX1-NEXT: vmovd %edi, %xmm0
+; AVX1-NEXT: vpslld $1, %xmm0, %xmm0
+; AVX1-NEXT: vpxor %xmm1, %xmm1, %xmm1
+; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3,4,5,6,7]
+; AVX1-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7]
+; AVX1-NEXT: retq
+;
+; AVX2-SLOW-LABEL: PR141475:
+; AVX2-SLOW: # %bb.0:
+; AVX2-SLOW-NEXT: vmovd %edi, %xmm0
+; AVX2-SLOW-NEXT: vpslld $1, %xmm0, %xmm0
+; AVX2-SLOW-NEXT: vpxor %xmm1, %xmm1, %xmm1
+; AVX2-SLOW-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3,4,5,6,7]
+; AVX2-SLOW-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7]
+; AVX2-SLOW-NEXT: retq
+;
+; AVX2-FAST-LABEL: PR141475:
+; AVX2-FAST: # %bb.0:
+; AVX2-FAST-NEXT: vmovd %edi, %xmm0
+; AVX2-FAST-NEXT: vpslld $1, %xmm0, %xmm0
+; AVX2-FAST-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,1,0,1,0,1,0,1],zero,zero,zero,zero,zero,zero,zero,zero
+; AVX2-FAST-NEXT: retq
+ %mul = shl i32 %in, 1
+ %vecinit = insertelement <4 x i32> zeroinitializer, i32 %mul, i64 0
+ %cast = bitcast <4 x i32> %vecinit to <8 x i16>
+ %shuf = shufflevector <8 x i16> %cast, <8 x i16> poison, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 4, i32 5, i32 6, i32 7>
+ ret <8 x i16> %shuf
+}
+
; Test case reported on D105827
define void @SpinningCube() {
; SSE2-LABEL: SpinningCube:
@@ -3654,9 +3713,9 @@ define void @autogen_SD25931() {
; CHECK-LABEL: autogen_SD25931:
; CHECK: # %bb.0: # %BB
; CHECK-NEXT: .p2align 4
-; CHECK-NEXT: .LBB142_1: # %CF242
+; CHECK-NEXT: .LBB143_1: # %CF242
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
-; CHECK-NEXT: jmp .LBB142_1
+; CHECK-NEXT: jmp .LBB143_1
BB:
%Cmp16 = icmp uge <2 x i1> zeroinitializer, zeroinitializer
%Shuff19 = shufflevector <2 x i1> zeroinitializer, <2 x i1> %Cmp16, <2 x i32> <i32 3, i32 1>
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