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https://github.com/c64scene-ar/llvm-6502.git
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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
29 lines
1.3 KiB
LLVM
29 lines
1.3 KiB
LLVM
; RUN: opt < %s -loop-unroll -unroll-count=2 -S | FileCheck %s
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; LoopUnroll should unroll this loop into one big basic block.
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; CHECK: for.body:
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; CHECK: %i.013 = phi i64 [ 0, %entry ], [ %tmp16.1, %for.body ]
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; CHECK: br i1 %exitcond.1, label %for.end, label %for.body
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define void @foo(double* nocapture %p, i64 %n) nounwind {
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entry:
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%mul10 = shl i64 %n, 1 ; <i64> [#uses=2]
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br label %for.body
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for.body: ; preds = %entry, %for.body
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%i.013 = phi i64 [ %tmp16, %for.body ], [ 0, %entry ] ; <i64> [#uses=2]
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%arrayidx7 = getelementptr double, double* %p, i64 %i.013 ; <double*> [#uses=2]
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%tmp16 = add i64 %i.013, 1 ; <i64> [#uses=3]
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%arrayidx = getelementptr double, double* %p, i64 %tmp16 ; <double*> [#uses=1]
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%tmp4 = load double, double* %arrayidx ; <double> [#uses=1]
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%tmp8 = load double, double* %arrayidx7 ; <double> [#uses=1]
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%mul9 = fmul double %tmp8, %tmp4 ; <double> [#uses=1]
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store double %mul9, double* %arrayidx7
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%exitcond = icmp eq i64 %tmp16, %mul10 ; <i1> [#uses=1]
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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