mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 08:23:21 +01:00
22 lines
624 B
LLVM
22 lines
624 B
LLVM
; RUN: opt < %s -S -instcombine | FileCheck %s
|
|
; rdar://problem/9267970
|
|
; ideally this test will run on a 32-bit host
|
|
; must not discard GEPs that might overflow at runtime (aren't inbounds)
|
|
|
|
define i32 @main(i32 %argc) {
|
|
entry:
|
|
%tmp1 = add i32 %argc, -2
|
|
%tmp2 = add i32 %argc, 1879048192
|
|
%p = alloca i8
|
|
; CHECK: getelementptr
|
|
%p1 = getelementptr i8* %p, i32 %tmp1
|
|
; CHECK: getelementptr
|
|
%p2 = getelementptr i8* %p, i32 %tmp2
|
|
%cmp = icmp ult i8* %p1, %p2
|
|
br i1 %cmp, label %bbtrue, label %bbfalse
|
|
bbtrue: ; preds = %entry
|
|
ret i32 -1
|
|
bbfalse: ; preds = %entry
|
|
ret i32 0
|
|
}
|