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; Check whether nmadd/nmsub instructions are properly generated
; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM
; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -mattr=+fp64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM
; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -mattr=micromips -enable-no-nans-fp-math -asm-show-inst | FileCheck %s -check-prefixes=ALL,CHECK-NM,CHECK-MM
; RUN: llc < %s -march=mips64el -mcpu=mips64 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM-64
; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM-64
; RUN: llc < %s -march=mips64el -mcpu=mips4 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM-64
; RUN: llc < %s -march=mipsel -mcpu=mips32 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM
; RUN: llc < %s -march=mipsel -mcpu=mips32r6 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM
; RUN: llc < %s -march=mips64el -mcpu=mips3 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM-64
; RUN: llc < %s -march=mipsel -mcpu=mips32r6 -mattr=micromips -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM
; RUN: llc < %s -march=mipsel -mcpu=mips32r3 -mattr=micromips -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM
define float @add1(float %f, float %g, float %h) local_unnamed_addr #0 {
entry:
; ALL-LABEL: add1
; CHECK-NM-64: nmadd.s $f0, $f14, $f12, $f13
; CHECK-NM: nmadd.s $f0, $f0, $f12, $f14
; CHECK-MM: NMADD_S_MM
; CHECK-NOT-NM-64: mul.s $f0, $f12, $f13
; CHECK-NOT-NM-64: neg.s $f0, $f0
; CHECK-NOT-NM: mul.s $f0, $f12, $f14
; CHECK-NOT-NM: neg.s $f0, $f0
%mul = fmul nnan float %f, %g
%add = fadd nnan float %mul, %h
%sub = fsub nnan float -0.000000e+00, %add
ret float %sub
}
define double @add2(double %f, double %g, double %h) local_unnamed_addr #0 {
entry:
; ALL-LABEL: add2
; CHECK-NM-64: nmadd.d $f0, $f14, $f12, $f13
; CHECK-NM: nmadd.d $f0, $f0, $f12, $f14
; CHECK-MM: NMADD_D32_MM
; CHECK-NOT-NM-64: mul.d $f0, $f12, $f13
; CHECK-NOT-NM-64: neg.d $f0, $f0
; CHECK-NOT-NM: mul.d $f0, $f12, $f14
; CHECK-NOT-NM: neg.d $f0, $f0
%mul = fmul nnan double %f, %g
%add = fadd nnan double %mul, %h
%sub = fsub nnan double -0.000000e+00, %add
ret double %sub
}
define float @sub1(float %f, float %g, float %h) local_unnamed_addr #0 {
entry:
; ALL-LABEL: sub1
; CHECK-NM-64: nmsub.s $f0, $f14, $f12, $f13
; CHECK-NM: nmsub.s $f0, $f0, $f12, $f14
; CHECK-MM: NMSUB_S_MM
; CHECK-NOT-NM-64: mul.s $f0, $f12, $f13
; CHECK-NOT-NM-64: neg.s $f0, $f0
; CHECK-NOT-NM: mul.s $f0, $f12, $f14
; CHECK-NOT-NM: neg.s $f0, $f0
%mul = fmul nnan float %f, %g
%sub = fsub nnan float %mul, %h
%sub1 = fsub nnan float -0.000000e+00, %sub
ret float %sub1
}
define double @sub2(double %f, double %g, double %h) local_unnamed_addr #0 {
entry:
; ALL-LABEL: sub2
; CHECK-NM-64: nmsub.d $f0, $f14, $f12, $f13
; CHECK-NM: nmsub.d $f0, $f0, $f12, $f14
; CHECK-MM: NMSUB_D32_MM
; CHECK-NOT-NM-64: mul.d $f0, $f12, $f13
; CHECK-NOT-NM-64: neg.d $f0, $f0
; CHECK-NOT-NM: mul.d $f0, $f12, $f14
; CHECK-NOT-NM: neg.d $f0, $f0
%mul = fmul nnan double %f, %g
%sub = fsub nnan double %mul, %h
%sub1 = fsub nnan double -0.000000e+00, %sub
ret double %sub1
}
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