| ;RUN: opt < %s -passes=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" ; <ptr> [#uses=1] |
| |
| declare i32 @printf(ptr, ...) |
| |
| define i32 @main(i32 %x, ptr %a) { |
| entry: |
| %tmp = getelementptr [6 x i8], ptr @str, i32 0, i64 0 ; <ptr> [#uses=1] |
| %tmp1 = load ptr, ptr %a ; <ptr> [#uses=1] |
| %tmp2 = ptrtoint ptr %tmp1 to i32 ; <i32> [#uses=1] |
| %tmp3 = zext i32 %tmp2 to i64 ; <i64> [#uses=1] |
| %tmp.upgrd.1 = call i32 (ptr, ...) @printf( ptr %tmp, i64 %tmp3 ) ; <i32> [#uses=0] |
| ret i32 0 |
| } |
| |
