forked from OSchip/llvm-project
23 lines
909 B
LLVM
23 lines
909 B
LLVM
;RUN: opt < %s -instcombine -S | grep zext
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; Make sure the uint isn't removed. Instcombine in llvm 1.9 was dropping the
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; uint cast which was causing a sign extend. This only affected code with
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; pointers in the high half of memory, so it wasn't noticed much
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; compile a kernel though...
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target datalayout = "e-p:32:32"
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@str = internal constant [6 x i8] c"%llx\0A\00" ; <[6 x i8]*> [#uses=1]
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declare i32 @printf(i8*, ...)
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define i32 @main(i32 %x, i8** %a) {
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entry:
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%tmp = getelementptr [6 x i8], [6 x i8]* @str, i32 0, i64 0 ; <i8*> [#uses=1]
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%tmp1 = load i8*, i8** %a ; <i8*> [#uses=1]
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%tmp2 = ptrtoint i8* %tmp1 to i32 ; <i32> [#uses=1]
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%tmp3 = zext i32 %tmp2 to i64 ; <i64> [#uses=1]
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%tmp.upgrd.1 = call i32 (i8*, ...) @printf( i8* %tmp, i64 %tmp3 ) ; <i32> [#uses=0]
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ret i32 0
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}
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