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0b34068b2b
to instructions instead of zero extended ones. This makes the asmprinter print signed values more consistently. This apparently only really affects the X86 backend. llvm-svn: 81265
35 lines
1.5 KiB
LLVM
35 lines
1.5 KiB
LLVM
; PR1022, PR1023
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; RUN: llc < %s -march=x86 | grep -- -573785174 | count 2
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; RUN: llc < %s -march=x86 | grep -E {movl _?bytes2} | count 1
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@fmt = constant [4 x i8] c"%x\0A\00" ; <[4 x i8]*> [#uses=2]
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@bytes = constant [4 x i8] c"\AA\BB\CC\DD" ; <[4 x i8]*> [#uses=1]
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@bytes2 = global [4 x i8] c"\AA\BB\CC\DD" ; <[4 x i8]*> [#uses=1]
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define i32 @test1() nounwind {
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%y = alloca i32 ; <i32*> [#uses=2]
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%c = bitcast i32* %y to i8* ; <i8*> [#uses=1]
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%z = getelementptr [4 x i8]* @bytes, i32 0, i32 0 ; <i8*> [#uses=1]
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call void @llvm.memcpy.i32( i8* %c, i8* %z, i32 4, i32 1 )
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%r = load i32* %y ; <i32> [#uses=1]
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%t = bitcast [4 x i8]* @fmt to i8* ; <i8*> [#uses=1]
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%tmp = call i32 (i8*, ...)* @printf( i8* %t, i32 %r ) ; <i32> [#uses=0]
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ret i32 0
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}
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define void @test2() nounwind {
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%y = alloca i32 ; <i32*> [#uses=2]
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%c = bitcast i32* %y to i8* ; <i8*> [#uses=1]
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%z = getelementptr [4 x i8]* @bytes2, i32 0, i32 0 ; <i8*> [#uses=1]
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call void @llvm.memcpy.i32( i8* %c, i8* %z, i32 4, i32 1 )
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%r = load i32* %y ; <i32> [#uses=1]
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%t = bitcast [4 x i8]* @fmt to i8* ; <i8*> [#uses=1]
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%tmp = call i32 (i8*, ...)* @printf( i8* %t, i32 %r ) ; <i32> [#uses=0]
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ret void
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}
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declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
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declare i32 @printf(i8*, ...)
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