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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
20 lines
564 B
LLVM
20 lines
564 B
LLVM
; Test that opaque constants are not creating an infinite DAGCombine loop
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; RUN: llc < %s
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; XFAIL: r600, xcore
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@a = common global i32* null, align 8
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@c = common global i32 0, align 4
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@b = common global i32* null, align 8
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; Function Attrs: nounwind ssp uwtable
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define void @fn() {
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store i32* inttoptr (i64 68719476735 to i32*), i32** @a, align 8
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%1 = load i32, i32* @c, align 4
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%2 = sext i32 %1 to i64
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%3 = lshr i64 %2, 12
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%4 = and i64 %3, 68719476735
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%5 = getelementptr inbounds i32, i32* null, i64 %4
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store i32* %5, i32** @b, align 8
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ret void
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}
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