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ab043ff680
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
llvm-svn: 230794
60 lines
2.4 KiB
LLVM
60 lines
2.4 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -debug-only=loop-vectorize -stats -S 2>&1 | FileCheck %s
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; REQUIRES: asserts
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;
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; We have 2 loops, one of them is vectorizable and the second one is not.
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;
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; CHECK: 2 loop-vectorize - Number of loops analyzed for vectorization
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; CHECK: 1 loop-vectorize - Number of loops vectorized
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @vectorized(float* nocapture %a, i64 %size) {
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entry:
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%cmp1 = icmp sle i64 %size, 0
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%cmp21 = icmp sgt i64 0, %size
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%or.cond = or i1 %cmp1, %cmp21
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br i1 %or.cond, label %for.end, label %for.body
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for.body: ; preds = %entry, %for.body
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%indvars.iv2 = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds float, float* %a, i64 %indvars.iv2
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%0 = load float, float* %arrayidx, align 4
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%mul = fmul float %0, %0
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store float %mul, float* %arrayidx, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1
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%cmp2 = icmp sgt i64 %indvars.iv.next, %size
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br i1 %cmp2, label %for.end, label %for.body
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for.end: ; preds = %entry, %for.body
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ret void
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}
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define void @not_vectorized(float* nocapture %a, i64 %size) {
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entry:
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%cmp1 = icmp sle i64 %size, 0
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%cmp21 = icmp sgt i64 0, %size
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%or.cond = or i1 %cmp1, %cmp21
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br i1 %or.cond, label %for.end, label %for.body
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for.body: ; preds = %entry, %for.body
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%indvars.iv2 = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%0 = add nsw i64 %indvars.iv2, -5
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%arrayidx = getelementptr inbounds float, float* %a, i64 %0
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%1 = load float, float* %arrayidx, align 4
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%2 = add nsw i64 %indvars.iv2, 2
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%arrayidx2 = getelementptr inbounds float, float* %a, i64 %2
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%3 = load float, float* %arrayidx2, align 4
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%mul = fmul float %1, %3
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%arrayidx4 = getelementptr inbounds float, float* %a, i64 %indvars.iv2
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store float %mul, float* %arrayidx4, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1
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%cmp2 = icmp sgt i64 %indvars.iv.next, %size
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br i1 %cmp2, label %for.end, label %for.body
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for.end: ; preds = %entry, %for.body
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ret void
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}
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