llvm-project/llvm/test/Transforms/ADCE/dead-phi-edge.ll

16 lines
296 B
LLVM

; RUN: llvm-upgrade < %s | llvm-as | opt -adce | llvm-dis | not grep call
; The call is not live just because the PHI uses the call retval!
int %test(int %X) {
br label %Done
DeadBlock:
%Y = call int %test(int 0)
br label %Done
Done:
%Z = phi int [%X, %0], [%Y, %DeadBlock]
ret int %Z
}