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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
81 lines
2.8 KiB
LLVM
81 lines
2.8 KiB
LLVM
; RUN: llc -mtriple=i386-unknown-linux-gnu -mattr=-slow-incdec < %s | FileCheck -check-prefix=INCDEC %s
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; RUN: llc -mtriple=i386-unknown-linux-gnu -mattr=+slow-incdec < %s | FileCheck -check-prefix=ADD %s
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; check -mattr=-slow-incdec
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; INCDEC-NOT: addl $-1
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; INCDEC: dec
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; INCDEC-NOT: addl $1
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; INCDEC: inc
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; check -mattr=+slow-incdec
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; ADD: addl $-1
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; ADD-NOT: dec
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; ADD: addl $1
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; ADD-NOT: inc
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; Function Attrs: nounwind readonly
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define i32 @slow_1(i32* nocapture readonly %a, i32 %s) #0 {
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entry:
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%cmp5 = icmp eq i32 %s, 0
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br i1 %cmp5, label %for.end, label %for.body.preheader
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.cond: ; preds = %for.body
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%cmp = icmp eq i32 %dec, 0
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br i1 %cmp, label %for.end.loopexit, label %for.body
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for.body: ; preds = %for.body.preheader, %for.cond
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%i.06 = phi i32 [ %dec, %for.cond ], [ %s, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %a, i32 %i.06
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%0 = load i32, i32* %arrayidx, align 4, !tbaa !1
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%cmp1 = icmp eq i32 %0, 0
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;
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%dec = add nsw i32 %i.06, -1
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br i1 %cmp1, label %for.end.loopexit, label %for.cond
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for.end.loopexit: ; preds = %for.cond, %for.body
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%i.0.lcssa.ph = phi i32 [ 0, %for.cond ], [ %i.06, %for.body ]
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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%i.0.lcssa = phi i32 [ 0, %entry ], [ %i.0.lcssa.ph, %for.end.loopexit ]
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ret i32 %i.0.lcssa
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}
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; Function Attrs: nounwind readonly
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define i32 @slow_2(i32* nocapture readonly %a, i32 %s) #0 {
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entry:
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%cmp5 = icmp eq i32 %s, 0
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br i1 %cmp5, label %for.end, label %for.body.preheader
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.cond: ; preds = %for.body
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%cmp = icmp eq i32 %inc, 0
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br i1 %cmp, label %for.end.loopexit, label %for.body
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for.body: ; preds = %for.body.preheader, %for.cond
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%i.06 = phi i32 [ %inc, %for.cond ], [ %s, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %a, i32 %i.06
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%0 = load i32, i32* %arrayidx, align 4, !tbaa !1
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%cmp1 = icmp eq i32 %0, 0
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%inc = add nsw i32 %i.06, 1
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br i1 %cmp1, label %for.end.loopexit, label %for.cond
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for.end.loopexit: ; preds = %for.cond, %for.body
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%i.0.lcssa.ph = phi i32 [ 0, %for.cond ], [ %i.06, %for.body ]
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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%i.0.lcssa = phi i32 [ 0, %entry ], [ %i.0.lcssa.ph, %for.end.loopexit ]
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ret i32 %i.0.lcssa
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}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"int", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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