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