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

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; RUN: llvm-as < %s | opt -tailduplicate | llvm-dis | grep add | not grep uses=1
int %test1(bool %C, int %A, int* %P) {
entry:
br bool %C, label %L1, label %L2
L1:
store int 1, int* %P
br label %L2
L2:
%X = add int %A, 17
ret int %X
}
int %test2(bool %C, int %A, int* %P) {
entry:
br bool %C, label %L1, label %L2
L1:
store int 1, int* %P
br label %L3
L2:
store int 7, int* %P
br label %L3
L3:
%X = add int %A, 17
ret int %X
}