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7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
646 B
LLVM
19 lines
646 B
LLVM
; RUN: opt < %s -instcombine -mem2reg -S | \
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; RUN: not grep "i32 1"
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; When propagating the load through the select, make sure that the load is
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; inserted where the original load was, not where the select is. Not doing
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; so could produce incorrect results!
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define i32 @test(i1 %C) {
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%X = alloca i32 ; <i32*> [#uses=3]
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%X2 = alloca i32 ; <i32*> [#uses=2]
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store i32 1, i32* %X
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store i32 2, i32* %X2
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%Y = select i1 %C, i32* %X, i32* %X2 ; <i32*> [#uses=1]
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store i32 3, i32* %X
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%Z = load i32, i32* %Y ; <i32> [#uses=1]
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ret i32 %Z
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}
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