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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
32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; RUN: llc -mtriple=x86_64-pc-linux < %s | FileCheck %s
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;
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; Check that x86's peephole optimization doesn't fold a 64-bit load (movsd) into
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; addpd.
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; rdar://problem/18236850
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%struct.S1 = type { double, double }
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@g = common global %struct.S1 zeroinitializer, align 8
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declare void @foo3(%struct.S1*)
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; CHECK: movsd {{[0-9]*}}(%rsp), [[R0:%xmm[0-9]+]]
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; CHECK: addpd [[R0]], %xmm{{[0-9]+}}
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define void @foo1(double %a.coerce0, double %a.coerce1, double %b.coerce0, double %b.coerce1) {
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%1 = alloca <2 x double>, align 16
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%tmpcast = bitcast <2 x double>* %1 to %struct.S1*
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call void @foo3(%struct.S1* %tmpcast) #2
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%p2 = getelementptr inbounds %struct.S1, %struct.S1* %tmpcast, i64 0, i32 0
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%2 = load double, double* %p2, align 16
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%p3 = getelementptr inbounds %struct.S1, %struct.S1* %tmpcast, i64 0, i32 1
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%3 = load double, double* %p3, align 8
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%4 = insertelement <2 x double> undef, double %2, i32 0
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%5 = insertelement <2 x double> %4, double 0.000000e+00, i32 1
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%6 = insertelement <2 x double> undef, double %3, i32 1
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%7 = insertelement <2 x double> %6, double 1.000000e+00, i32 0
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%8 = fadd <2 x double> %5, %7
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store <2 x double> %8, <2 x double>* bitcast (%struct.S1* @g to <2 x double>*), align 16
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ret void
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}
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