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llvm-mirror/test/Transforms/InstCombine/2004-09-20-BadLoadCombine.llx
2007-01-17 07:59:14 +00:00

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; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine -mem2reg | llvm-dis | not grep 'int 1'
; When propagating the load through the select, make sure that the load is
; inserted where the original load was, not where the select is. Not doing
; so could produce incorrect results!
implementation
int %test(bool %C) {
%X = alloca int
%X2 = alloca int
store int 1, int* %X
store int 2, int* %X2
%Y = select bool %C, int* %X, int* %X2
store int 3, int* %X
%Z = load int* %Y
ret int %Z
}