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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
38 lines
778 B
LLVM
38 lines
778 B
LLVM
;; RUN: opt -S < %s -indvars | FileCheck %s
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;; Check if IndVarSimplify understands !range metadata.
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declare void @abort()
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define i1 @iterate(i32* nocapture readonly %buffer) {
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entry:
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%length = load i32, i32* %buffer, !range !0
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br label %loop.preheader
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loop.preheader:
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br label %loop
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loop:
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%idx = phi i32 [ %idx.inc, %loop.next ], [ 0, %loop.preheader ]
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%oob.pred = icmp slt i32 %idx, %length
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br i1 %oob.pred, label %loop.next, label %oob
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; CHECK: br i1 true, label %loop.next, label %oob
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loop.next:
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%idx.inc = add i32 %idx, 1
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%exit.pred = icmp slt i32 %idx.inc, %length
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br i1 %exit.pred, label %loop, label %abort.loopexit
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abort.loopexit:
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br label %abort
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abort:
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ret i1 false
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oob:
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tail call void @abort()
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ret i1 false
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}
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!0 = !{i32 1, i32 100}
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