disable-fsmuld-fmuls.ll
1.19 KB
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; RUN: llc %s -march=sparc -o - | FileCheck --check-prefix=CHECK --check-prefix=DEFAULT %s
; RUN: llc %s -march=sparc -mattr=no-fmuls -o - | FileCheck --check-prefix=CHECK --check-prefix=NO-FMULS %s
; RUN: llc %s -march=sparc -mattr=no-fsmuld -o - | FileCheck --check-prefix=CHECK --check-prefix=NO-FSMULD %s
; RUN: llc %s -march=sparc -mattr=no-fsmuld,no-fmuls -o - | FileCheck --check-prefix=CHECK --check-prefix=NO-BOTH %s
;;; Test case ensures that the no-fsmuld and no-fmuls features disable
;;; the relevant instruction, and alternative sequences get emitted
;;; instead.
; CHECK-LABEL: test_float_mul:
; DEFAULT: fmuls
; NO-FSMULD: fmuls
; NO-FMULS: fsmuld
; NO-FMULS: fdtos
; NO-BOTH: fstod
; NO-BOTH: fstod
; NO-BOTH: fmuld
; NO-BOTH: fdtos
define float @test_float_mul(float %a, float %b) {
entry:
%mul = fmul float %a, %b
ret float %mul
}
; CHECK-LABEL: test_float_mul_double:
; DEFAULT: fsmuld
; NO-FSMULD: fstod
; NO-FSMULD: fstod
; NO-FSMULD: fmuld
define double @test_float_mul_double(float %a, float %b) {
entry:
%a_double = fpext float %a to double
%b_double = fpext float %b to double
%mul = fmul double %a_double, %b_double
ret double %mul
}