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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
33 lines
1.4 KiB
LLVM
33 lines
1.4 KiB
LLVM
; This testcase contains a entire loop that should be removed. The only thing
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; left is the store instruction in BB0. The problem this testcase was running
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; into was that when the reg109 PHI was getting zero predecessors, it was
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; removed even though there were uses still around. Now the uses are filled
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; in with a dummy value before the PHI is deleted.
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;
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; RUN: opt < %s -adce
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%node_t = type { double*, %node_t*, %node_t**, double**, double*, i32, i32 }
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define void @localize_local(%node_t* %nodelist) {
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bb0:
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%nodelist.upgrd.1 = alloca %node_t* ; <%node_t**> [#uses=2]
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store %node_t* %nodelist, %node_t** %nodelist.upgrd.1
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br label %bb1
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bb1: ; preds = %bb0
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%reg107 = load %node_t*, %node_t** %nodelist.upgrd.1 ; <%node_t*> [#uses=2]
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%cond211 = icmp eq %node_t* %reg107, null ; <i1> [#uses=1]
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br i1 %cond211, label %bb3, label %bb2
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bb2: ; preds = %bb2, %bb1
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%reg109 = phi %node_t* [ %reg110, %bb2 ], [ %reg107, %bb1 ] ; <%node_t*> [#uses=1]
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%reg212 = getelementptr %node_t, %node_t* %reg109, i64 0, i32 1 ; <%node_t**> [#uses=1]
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%reg110 = load %node_t*, %node_t** %reg212 ; <%node_t*> [#uses=2]
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%cond213 = icmp ne %node_t* %reg110, null ; <i1> [#uses=1]
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br i1 %cond213, label %bb2, label %bb3
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bb3: ; preds = %bb2, %bb1
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ret void
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}
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