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40 lines
1.9 KiB
LLVM
40 lines
1.9 KiB
LLVM
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; RUN: opt -S -inline %s -o - | FileCheck %s
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; RUN: opt -S -passes='cgscc(inline)' %s -o - | FileCheck %s
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; Check that memcpy2 is completely inlined away.
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; CHECK-NOT: memcpy2
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@.str = private unnamed_addr constant [2 x i8] c"a\00", align 1
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@.str1 = private unnamed_addr constant [3 x i8] c"ab\00", align 1
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; Function Attrs: nounwind ssp uwtable
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define i32 @main(i32 %argc, i8** nocapture readnone %argv) #0 {
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entry:
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%data = alloca [2 x i8], align 1
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%arraydecay = getelementptr inbounds [2 x i8], [2 x i8]* %data, i64 0, i64 0
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call fastcc void @memcpy2(i8* %arraydecay, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), i64 1)
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call fastcc void @memcpy2(i8* %arraydecay, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str1, i64 0, i64 0), i64 2)
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ret i32 0
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}
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; Function Attrs: inlinehint nounwind ssp uwtable
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define internal fastcc void @memcpy2(i8* nocapture %dst, i8* nocapture readonly %src, i64 %size) #1 {
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entry:
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%vla = alloca i64, i64 %size, align 16
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%0 = bitcast i64* %vla to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %src, i64 %size, i1 false)
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %0, i64 %size, i1 false)
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ret void
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}
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; Function Attrs: nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #2
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attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { inlinehint nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind }
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!llvm.ident = !{!0}
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!0 = !{!"clang version 3.5.0 (trunk 205695) (llvm/trunk 205706)"}
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