llvm-project/llvm/test/Transforms/SimplifyCFG/2002-05-21-PHIElimination.ll

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2002-05-22 03:22:10 +08:00
; CFG Simplification is making a loop dead, then changing the add into:
;
; %V1 = add int %V1, 1
;
; Which is not valid SSA
;
; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis
2002-05-22 03:22:10 +08:00
void "test"() {
br bool true, label %end, label %Loop
Loop:
%V = phi int [0, %0], [%V1, %Loop]
%V1 = add int %V, 1
br label %Loop
end:
ret void
}