linux-packaging-mono/external/llvm/test/Transforms/LICM/2003-12-11-SinkingToPHI.ll
Xamarin Public Jenkins (auto-signing) e19d552987 Imported Upstream version 5.18.0.161
Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
2018-10-19 08:34:24 +00:00

17 lines
424 B
LLVM

; RUN: opt < %s -licm | lli -force-interpreter
define i32 @main() {
entry:
br label %Loop
Loop: ; preds = %LoopCont, %entry
br i1 true, label %LoopCont, label %Out
LoopCont: ; preds = %Loop
%X = add i32 1, 0 ; <i32> [#uses=1]
br i1 true, label %Out, label %Loop
Out: ; preds = %LoopCont, %Loop
%V = phi i32 [ 2, %Loop ], [ %X, %LoopCont ] ; <i32> [#uses=1]
%V2 = sub i32 %V, 1 ; <i32> [#uses=1]
ret i32 %V2
}