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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
12 lines
270 B
LLVM
12 lines
270 B
LLVM
; RUN: llc < %s -march=x86-64 | grep mov | count 1
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; Do eliminate the zero-extension instruction and rely on
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; x86-64's implicit zero-extension!
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define i64 @foo(i32* %p) nounwind {
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%t = load i32, i32* %p
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%n = add i32 %t, 1
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%z = zext i32 %n to i64
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ret i64 %z
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}
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