llvm-mirror/test/Transforms/SimplifyCFG/2008-09-17-SpeculativeHoist.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

19 lines
410 B
LLVM

; RUN: opt < %s -simplifycfg -disable-output
; PR 2800
define void @foo() {
start:
%tmp = call i1 @bar( ) ; <i1> [#uses=4]
br i1 %tmp, label %brtrue, label %brfalse
brtrue: ; preds = %start
%tmpnew = and i1 %tmp, %tmp ; <i1> [#uses=1]
br label %brfalse
brfalse: ; preds = %brtrue, %start
%andandtmp.0 = phi i1 [ %tmp, %start ], [ %tmpnew, %brtrue ] ; <i1> [#uses=0]
ret void
}
declare i1 @bar()