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llvm-mirror/test/Transforms/InstCombine/2004-09-20-BadLoadCombine.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

19 lines
641 B
LLVM

; RUN: opt < %s -instcombine -mem2reg -S | \
; RUN: not grep {i32 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!
define i32 @test(i1 %C) {
%X = alloca i32 ; <i32*> [#uses=3]
%X2 = alloca i32 ; <i32*> [#uses=2]
store i32 1, i32* %X
store i32 2, i32* %X2
%Y = select i1 %C, i32* %X, i32* %X2 ; <i32*> [#uses=1]
store i32 3, i32* %X
%Z = load i32* %Y ; <i32> [#uses=1]
ret i32 %Z
}