| ; This test checks to make sure that 'br X, Dest, Dest' is folded into | |
| ; 'br Dest' | |
| ; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s | |
| declare void @noop() | |
| ; CHECK-NOT: br i1 %c2 | |
| define i32 @test(i1 %c1, i1 %c2) { | |
| call void @noop( ) | |
| br i1 %c1, label %A, label %Y | |
| A: ; preds = %0 | |
| call void @noop( ) | |
| br i1 %c2, label %X, label %X | |
| X: ; preds = %Y, %A, %A | |
| call void @noop( ) | |
| ret i32 0 | |
| Y: ; preds = %0 | |
| call void @noop( ) | |
| br label %X | |
| } | |