| ;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]* @str, i32 0, i64 0 ; <i8*> [#uses=1] | |
| %tmp1 = load 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 | |
| } | |