21 lines
421 B
LLVM
21 lines
421 B
LLVM
|
; RUN: opt -mem2reg < %s -S | FileCheck %s
|
||
|
|
|
||
|
|
|
||
|
|
; CHECK-LABEL: void @patatino()
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
|
||
|
|
; CHECK-LABEL: cantreachme:
|
||
|
|
; CHECK-NEXT: %dec = add nsw i32 undef, -1
|
||
|
|
; CHECK-NEXT: br label %cantreachme
|
||
|
|
|
||
|
|
define void @patatino() {
|
||
|
|
%a = alloca i32, align 4
|
||
|
|
ret void
|
||
|
|
cantreachme:
|
||
|
|
%dec = add nsw i32 %tmp, -1
|
||
|
|
store i32 %dec, i32* %a
|
||
|
|
store i32 %tmp, i32* %a
|
||
|
|
%tmp = load i32, i32* %a
|
||
|
|
br label %cantreachme
|
||
|
|
}
|