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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
22 lines
578 B
LLVM
22 lines
578 B
LLVM
; RUN: opt -reassociate -S < %s | FileCheck %s
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; PR21205
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@a = common global i32 0, align 4
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@b = common global i32 0, align 4
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; Don't canonicalize %conv - undef into %conv + (-undef).
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; CHECK-LABEL: @test1
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; CHECK: %sub = fsub fast float %conv, undef
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; CHECK: %sub1 = fadd fast float %sub, -1.000000e+00
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define i32 @test1() {
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entry:
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%0 = load i32, i32* @a, align 4
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%conv = sitofp i32 %0 to float
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%sub = fsub fast float %conv, undef
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%sub1 = fadd fast float %sub, -1.000000e+00
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%conv2 = fptosi float %sub1 to i32
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store i32 %conv2, i32* @b, align 4
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ret i32 undef
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}
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