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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
32 lines
778 B
LLVM
32 lines
778 B
LLVM
; Test that PHI nodes and select instructions do not necessarily make stuff
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; non-constant.
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; RUN: opt < %s -globalopt -S | not grep global
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@X = internal global i32 4 ; <i32*> [#uses=2]
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@Y = internal global i32 5 ; <i32*> [#uses=2]
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define i32 @test1(i1 %C) {
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%P = select i1 %C, i32* @X, i32* @Y ; <i32*> [#uses=1]
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%V = load i32, i32* %P ; <i32> [#uses=1]
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ret i32 %V
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}
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define i32 @test2(i1 %C) {
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; <label>:0
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br i1 %C, label %T, label %Cont
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T: ; preds = %0
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br label %Cont
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Cont: ; preds = %T, %0
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%P = phi i32* [ @X, %0 ], [ @Y, %T ] ; <i32*> [#uses=1]
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%V = load i32, i32* %P ; <i32> [#uses=1]
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ret i32 %V
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}
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