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[NFC] Added testcase for PR25725

This commit is contained in:
Dávid Bolvanský 2021-09-17 15:48:36 +02:00
parent 197a3d183b
commit ff6b074674
1 changed files with 35 additions and 0 deletions
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35
llvm/test/CodeGen/X86/pr25725.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s --check-prefix=X64
; RUN: llc < %s -mtriple=i386-pc-linux | FileCheck %s --check-prefix=X86
%struct.s = type { [100 x i32] }
define void @f(%struct.s* nocapture %s) #0 {
; X64-LABEL: f:
; X64: # %bb.0: # %entry
; X64-NEXT: xorps %xmm0, %xmm0
; X64-NEXT: movups %xmm0, 48(%rdi)
; X64-NEXT: movups %xmm0, 32(%rdi)
; X64-NEXT: movups %xmm0, 16(%rdi)
; X64-NEXT: movups %xmm0, (%rdi)
; X64-NEXT: retq
;
; X86-LABEL: f:
; X86: # %bb.0: # %entry
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: xorps %xmm0, %xmm0
; X86-NEXT: movups %xmm0, 48(%eax)
; X86-NEXT: movups %xmm0, 32(%eax)
; X86-NEXT: movups %xmm0, 16(%eax)
; X86-NEXT: movups %xmm0, (%eax)
; X86-NEXT: retl
entry:
%s5 = bitcast %struct.s* %s to i8*
call void @llvm.memset.p0i8.i32(i8* noundef nonnull align 4 dereferenceable(64) %s5, i8 0, i32 64, i1 false)
ret void
}
declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i1 immarg)
attributes #0 = { "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }