aa2009fe78
First step after e113317958,
in these tests, DomTree is valid afterwards, so mark them as such,
so that they don't regress.
In further steps, SimplifyCFG transforms shall taught to preserve DomTree,
in as small steps as possible.
22 lines
574 B
LLVM
22 lines
574 B
LLVM
; Basic block #2 should not be merged into BB #3!
|
|
;
|
|
; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
|
|
|
|
declare void @foo()
|
|
|
|
define void @cprop_test12(i32* %data) {
|
|
bb0:
|
|
%reg108 = load i32, i32* %data ; <i32> [#uses=2]
|
|
%cond218 = icmp ne i32 %reg108, 5 ; <i1> [#uses=1]
|
|
br i1 %cond218, label %bb3, label %bb2
|
|
bb2: ; preds = %bb0
|
|
call void @foo( )
|
|
; CHECK: br label %bb3
|
|
br label %bb3
|
|
bb3: ; preds = %bb2, %bb0
|
|
%reg117 = phi i32 [ 110, %bb2 ], [ %reg108, %bb0 ] ; <i32> [#uses=1]
|
|
store i32 %reg117, i32* %data
|
|
ret void
|
|
}
|
|
|