mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
20 lines
544 B
LLVM
20 lines
544 B
LLVM
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
||
|
|
; PR6165
|
||
|
|
|
||
|
|
define i32 @f() {
|
||
|
|
entry:
|
||
|
|
br label %BB1
|
||
|
|
|
||
|
|
BB1: ; preds = %BB1, %entry
|
||
|
|
; CHECK: BB1:
|
||
|
|
%x = phi i32 [ -29, %entry ], [ 0, %BB1 ] ; <i32> [#uses=2]
|
||
|
|
%rem = srem i32 %x, 2 ; <i32> [#uses=1]
|
||
|
|
%t = icmp eq i32 %rem, -1 ; <i1> [#uses=1]
|
||
|
|
br i1 %t, label %BB2, label %BB1
|
||
|
|
; CHECK-NOT: br i1 false
|
||
|
|
|
||
|
|
BB2: ; preds = %BB1
|
||
|
|
; CHECK: BB2:
|
||
|
|
ret i32 %x
|
||
|
|
}
|