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329818c24d
Summary: Also enable no-fsmuld for sparcv7 (which doesn't have the instruction). The previous code which used a post-processing pass to do this was unnecessary; disabling the instruction is entirely sufficient. Reviewers: jacob_hansen, ekedaigle Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D35576 llvm-svn: 308661
39 lines
1.2 KiB
LLVM
39 lines
1.2 KiB
LLVM
; RUN: llc %s -march=sparc -o - | FileCheck --check-prefix=CHECK --check-prefix=DEFAULT %s
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; RUN: llc %s -march=sparc -mattr=no-fmuls -o - | FileCheck --check-prefix=CHECK --check-prefix=NO-FMULS %s
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; RUN: llc %s -march=sparc -mattr=no-fsmuld -o - | FileCheck --check-prefix=CHECK --check-prefix=NO-FSMULD %s
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; RUN: llc %s -march=sparc -mattr=no-fsmuld,no-fmuls -o - | FileCheck --check-prefix=CHECK --check-prefix=NO-BOTH %s
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;;; Test case ensures that the no-fsmuld and no-fmuls features disable
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;;; the relevant instruction, and alternative sequences get emitted
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;;; instead.
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; CHECK-LABEL: test_float_mul:
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; DEFAULT: fmuls
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; NO-FSMULD: fmuls
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; NO-FMULS: fsmuld
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; NO-FMULS: fdtos
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; NO-BOTH: fstod
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; NO-BOTH: fstod
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; NO-BOTH: fmuld
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; NO-BOTH: fdtos
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define float @test_float_mul(float %a, float %b) {
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entry:
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%mul = fmul float %a, %b
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ret float %mul
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}
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; CHECK-LABEL: test_float_mul_double:
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; DEFAULT: fsmuld
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; NO-FSMULD: fstod
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; NO-FSMULD: fstod
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; NO-FSMULD: fmuld
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define double @test_float_mul_double(float %a, float %b) {
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entry:
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%a_double = fpext float %a to double
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%b_double = fpext float %b to double
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%mul = fmul double %a_double, %b_double
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ret double %mul
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}
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