llvm-6502/test/Transforms/ADCE/basictest.ll

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; RUN: llvm-as < %s | opt -adce -simplifycfg | llvm-dis
int "Test"(int %A, int %B) {
BB1:
br label %BB4
BB2:
br label %BB3
BB3:
%ret = phi int [%X, %BB4], [%B, %BB2]
ret int %ret
BB4:
%X = phi int [%A, %BB1]
br label %BB3
}