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https://github.com/c64scene-ar/llvm-6502.git
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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
35 lines
1.1 KiB
LLVM
35 lines
1.1 KiB
LLVM
; RUN: opt < %s -S -inline -inline-threshold=20 | FileCheck %s
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; Check that we don't drop FastMathFlag when estimating inlining profitability.
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;
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; In this test we should inline 'foo' to 'boo', because it'll fold to a
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; constant.
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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define float @foo(float* %a, float %b) {
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entry:
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%a0 = load float, float* %a, align 4
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%mul = fmul fast float %a0, %b
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%tobool = fcmp une float %mul, 0.000000e+00
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br i1 %tobool, label %if.then, label %if.end
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if.then: ; preds = %entry
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%a1 = load float, float* %a, align 8
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%arrayidx1 = getelementptr inbounds float, float* %a, i64 1
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%a2 = load float, float* %arrayidx1, align 4
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%add = fadd fast float %a1, %a2
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br label %if.end
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if.end: ; preds = %if.then, %entry
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%storemerge = phi float [ %add, %if.then ], [ 1.000000e+00, %entry ]
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ret float %storemerge
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}
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; CHECK-LABEL: @boo
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; CHECK-NOT: call float @foo
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define float @boo(float* %a) {
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entry:
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%call = call float @foo(float* %a, float 0.000000e+00)
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ret float %call
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}
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