49 lines
1.9 KiB
LLVM
49 lines
1.9 KiB
LLVM
; RUN: llc %s -mtriple=i386-pc-linux -o - | FileCheck %s
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; RUN: llc %s -mtriple=i386-pc-win32 -o - | FileCheck -check-prefix=WIN %s
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; RUN: llc %s -mtriple=i386-pc-linux -fast-isel -o - | FileCheck -check-prefix=FAST %s
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; RUN: llc %s -mtriple=i386-pc-win32 -fast-isel -o - | FileCheck -check-prefix=FASTWIN %s
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target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
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target triple = "i386-unknown-linux-gnu"
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; Function Attrs: argmemonly nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture writeonly, i8* nocapture readonly, i32, i1) #1
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define void @use_memset(i8* inreg nocapture %dest, i8 inreg %c, i32 inreg %n) local_unnamed_addr #0 {
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entry:
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;CHECK-LABEL: @use_memset
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;CHECK-NOT: push
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;CHECK: jmp memset
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;CHECK-NOT: retl
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;WIN-LABEL: @use_memset
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;WIN-NOT: push
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;WIN: jmp _memset
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;WIN-NOT: retl
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;FAST-LABEL: @use_memset
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;FAST: subl $12, %esp
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;FAST-NEXT: movzbl %dl, %edx
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;FAST-NEXT: calll memset
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;FAST-NEXT: addl $12, %esp
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;FASTWIN-LABEL: @use_memset
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;FASTWIN: movzbl %dl, %edx
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;FASTWIN-NEXT: calll _memset
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;FASTWIN-NEXT: retl
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tail call void @llvm.memset.p0i8.i32(i8* %dest, i8 %c, i32 %n, i1 false)
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ret void
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}
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; Function Attrs: argmemonly nounwind
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declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i1) #1
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attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { argmemonly nounwind }
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"NumRegisterParameters", i32 3}
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!1 = !{!"clang version 4.0.0 (trunk 288025) (llvm/trunk 288033)"}
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