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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
49 lines
1.6 KiB
LLVM
49 lines
1.6 KiB
LLVM
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; RUN: opt < %s -instcombine -S | not grep fpext
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@X = external global float
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@Y = external global float
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define void @test() nounwind {
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entry:
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%tmp = load float, float* @X, align 4 ; <float> [#uses=1]
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%tmp1 = fpext float %tmp to double ; <double> [#uses=1]
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%tmp3 = fadd double %tmp1, 0.000000e+00 ; <double> [#uses=1]
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%tmp34 = fptrunc double %tmp3 to float ; <float> [#uses=1]
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store float %tmp34, float* @X, align 4
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ret void
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}
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define void @test2() nounwind {
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entry:
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%tmp = load float, float* @X, align 4 ; <float> [#uses=1]
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%tmp1 = fpext float %tmp to double ; <double> [#uses=1]
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%tmp2 = load float, float* @Y, align 4 ; <float> [#uses=1]
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%tmp23 = fpext float %tmp2 to double ; <double> [#uses=1]
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%tmp5 = fmul double %tmp1, %tmp23 ; <double> [#uses=1]
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%tmp56 = fptrunc double %tmp5 to float ; <float> [#uses=1]
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store float %tmp56, float* @X, align 4
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ret void
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}
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define void @test3() nounwind {
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entry:
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%tmp = load float, float* @X, align 4 ; <float> [#uses=1]
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%tmp1 = fpext float %tmp to double ; <double> [#uses=1]
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%tmp2 = load float, float* @Y, align 4 ; <float> [#uses=1]
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%tmp23 = fpext float %tmp2 to double ; <double> [#uses=1]
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%tmp5 = fdiv double %tmp1, %tmp23 ; <double> [#uses=1]
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%tmp56 = fptrunc double %tmp5 to float ; <float> [#uses=1]
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store float %tmp56, float* @X, align 4
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ret void
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}
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define void @test4() nounwind {
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entry:
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%tmp = load float, float* @X, align 4 ; <float> [#uses=1]
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%tmp1 = fpext float %tmp to double ; <double> [#uses=1]
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%tmp2 = fsub double -0.000000e+00, %tmp1 ; <double> [#uses=1]
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%tmp34 = fptrunc double %tmp2 to float ; <float> [#uses=1]
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store float %tmp34, float* @X, align 4
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ret void
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}
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