mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 12:12:47 +01:00
785059d651
... so just ensure that we pass DomTreeUpdater it into it. Fixes DomTree preservation for a large number of tests, all of which are marked as such so that they do not regress.
29 lines
620 B
LLVM
29 lines
620 B
LLVM
; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
|
|
|
|
; Checks that the SimplifyCFG pass won't duplicate a call to a function marked
|
|
; convergent.
|
|
;
|
|
; CHECK: call void @barrier
|
|
; CHECK-NOT: call void @barrier
|
|
define void @check(i1 %cond, i32* %out) {
|
|
entry:
|
|
br i1 %cond, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
store i32 5, i32* %out
|
|
br label %if.end
|
|
|
|
if.end:
|
|
%x = phi i1 [ true, %entry ], [ false, %if.then ]
|
|
call void @barrier()
|
|
br i1 %x, label %cond.end, label %cond.false
|
|
|
|
cond.false:
|
|
br label %cond.end
|
|
|
|
cond.end:
|
|
ret void
|
|
}
|
|
|
|
declare void @barrier() convergent
|