901e1390c9
As requested in #127488, remove reference to `Options.UnsafeFPMath`, which should be obsolete and `AllowFPOpFusion` also handles it.
17 lines
613 B
LLVM
17 lines
613 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=arm64 -o - %s | FileCheck %s
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; Make sure we don't try to fold an fneg into +0.0, creating an illegal constant
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; -0.0. It's also good, though not essential, that we don't resort to a litpool.
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define double @test_fms_fold(double %a, double %b) {
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; CHECK-LABEL: test_fms_fold:
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; CHECK: // %bb.0:
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; CHECK-NEXT: movi {{d[0-9]+}}, #0000000000000000
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; CHECK-NEXT: ret
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%mul = fmul fast double %a, 0.000000e+00
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%mul1 = fmul fast double %b, 0.000000e+00
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%sub = fsub double %mul, %mul1
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ret double %sub
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}
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