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llvm-6502/test/Analysis/BasicAA/noalias-param.ll

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Make BasicAliasAnalysis recognize the fact a noalias argument cannot alias another argument, even if the other argument is not itself marked noalias. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182755 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-28 08:17:48 +00:00
; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info 2>&1 | FileCheck %s
declare i32* @captures(i32* %cap) nounwind readonly
define void @no(i32* noalias %a, i32* %b) nounwind {
entry:
store i32 1, i32* %a
%cap = call i32* @captures(i32* %a) nounwind readonly
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction 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
2015-02-27 21:17:42 +00:00
%l = load i32, i32* %b
Make BasicAliasAnalysis recognize the fact a noalias argument cannot alias another argument, even if the other argument is not itself marked noalias. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182755 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-28 08:17:48 +00:00
ret void
}
; CHECK: NoAlias: i32* %a, i32* %b
define void @yes(i32* %c, i32* %d) nounwind {
entry:
store i32 1, i32* %c
%cap = call i32* @captures(i32* %c) nounwind readonly
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction 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
2015-02-27 21:17:42 +00:00
%l = load i32, i32* %d
Make BasicAliasAnalysis recognize the fact a noalias argument cannot alias another argument, even if the other argument is not itself marked noalias. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182755 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-28 08:17:48 +00:00
ret void
}
; CHECK: MayAlias: i32* %c, i32* %d
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