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TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/pr35443.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

31 lines
1.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown -mcpu=skx | FileCheck %s
@ac = external dso_local local_unnamed_addr global [20 x i8], align 1
@ai3 = external dso_local local_unnamed_addr global [20 x i32], align 16
; Function Attrs: norecurse nounwind uwtable
define void @pr35443() {
; CHECK-LABEL: pr35443:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: vpbroadcastb ac+4(%rip), %xmm0
; CHECK-NEXT: vpmovzxbq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero,xmm0[2],zero,zero,zero,zero,zero,zero,zero,xmm0[3],zero,zero,zero,zero,zero,zero,zero
; CHECK-NEXT: vpxor %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vpsubq %ymm0, %ymm1, %ymm0
; CHECK-NEXT: vpmovqd %ymm0, ai3+16(%rip)
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
entry:
%wide.masked.load66 = call <4 x i8> @llvm.masked.load.v4i8.p0(ptr getelementptr inbounds ([20 x i8], ptr @ac, i64 0, i64 4), i32 1, <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <4 x i8> undef)
%0 = zext <4 x i8> %wide.masked.load66 to <4 x i64>
%1 = sub <4 x i64> zeroinitializer, %0
%predphi = shufflevector <4 x i64> %1, <4 x i64> undef, <4 x i32> <i32 0, i32 5, i32 6, i32 7>
%2 = trunc <4 x i64> %predphi to <4 x i32>
%3 = add <4 x i32> zeroinitializer, %2
store <4 x i32> %3, ptr getelementptr inbounds ([20 x i32], ptr @ai3, i64 0, i64 4), align 16
ret void
}
; Function Attrs: argmemonly nounwind readonly
declare <4 x i8> @llvm.masked.load.v4i8.p0(ptr, i32, <4 x i1>, <4 x i8>)