llvm-mirror/test/Transforms/SimplifyCFG/EmptyBlockMerge.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

22 lines
530 B
LLVM

; Basic block #2 should not be merged into BB #3!
;
; RUN: opt < %s -simplifycfg -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
}