llvm-6502/test/Transforms/TailDup/PHIUpdateTest.ll

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; This test checks to make sure phi nodes are updated properly
;
; RUN: llvm-as < %s | opt -tailduplicate -disable-output
int %test(bool %c, int %X, int %Y) {
br label %L
L:
%A = add int %X, %Y
br bool %c, label %T, label %F
F:
br bool %c, label %L, label %T
T:
%V = phi int [%A, %L], [0, %F]
ret int %V
}