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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
41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
; RUN: opt < %s -basicaa -slp-vectorizer -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7
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; Check if the SLPVectorizer does not crash when handling
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; unreachable blocks with unscheduleable instructions.
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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define void @foo(i32* nocapture %x) #0 {
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entry:
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br label %bb2
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bb1: ; an unreachable block
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%t3 = getelementptr inbounds i32, i32* %x, i64 4
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%t4 = load i32, i32* %t3, align 4
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%t5 = getelementptr inbounds i32, i32* %x, i64 5
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%t6 = load i32, i32* %t5, align 4
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%bad = fadd float %bad, 0.000000e+00 ; <- an instruction with self dependency,
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; but legal in unreachable code
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%t7 = getelementptr inbounds i32, i32* %x, i64 6
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%t8 = load i32, i32* %t7, align 4
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%t9 = getelementptr inbounds i32, i32* %x, i64 7
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%t10 = load i32, i32* %t9, align 4
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br label %bb2
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bb2:
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%t1.0 = phi i32 [ %t4, %bb1 ], [ 2, %entry ]
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%t2.0 = phi i32 [ %t6, %bb1 ], [ 2, %entry ]
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%t3.0 = phi i32 [ %t8, %bb1 ], [ 2, %entry ]
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%t4.0 = phi i32 [ %t10, %bb1 ], [ 2, %entry ]
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store i32 %t1.0, i32* %x, align 4
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%t12 = getelementptr inbounds i32, i32* %x, i64 1
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store i32 %t2.0, i32* %t12, align 4
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%t13 = getelementptr inbounds i32, i32* %x, i64 2
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store i32 %t3.0, i32* %t13, align 4
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%t14 = getelementptr inbounds i32, i32* %x, i64 3
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store i32 %t4.0, i32* %t14, align 4
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ret void
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}
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