llvm-project/llvm/test/Transforms/SimplifyCFG/PhiEliminate2.ll

18 lines
606 B
LLVM

; RUN: opt < %s -simplifycfg -S | not grep br
define i32 @test(i1 %C, i32 %V1, i32 %V2, i16 %V3) {
entry:
br i1 %C, label %then, label %else
then: ; preds = %entry
%V4 = or i32 %V2, %V1 ; <i32> [#uses=1]
br label %Cont
else: ; preds = %entry
%V5 = sext i16 %V3 to i32 ; <i32> [#uses=1]
br label %Cont
Cont: ; preds = %then, %else
%V6 = phi i32 [ %V5, %else ], [ %V4, %then ] ; <i32> [#uses=0]
call i32 @test( i1 false, i32 0, i32 0, i16 0 ) ; <i32>:0 [#uses=0]
ret i32 %V1
}