Files
clang-p2996/llvm/test/CodeGen/RISCV/rvv/fround-sdnode.ll
Craig Topper 9b0f227d7b [TableGen][RISCV] Add InstAliases with zero_reg to cover unmasked vnot.v, vncvt.x.x.w, vneg.v, etc.
The mask being NoRegister prevented the existing aliases from matching
since NoRegister isn't in the VMV0 register class.

To workaround this I've added new aliases that look for zero_reg.
I had to motify tablegen to generate matching code for zero_reg.
And as a consequence, I had to change the EmitPriority for an ARM
alias that used zero_reg that started printing.

Reviewed By: frasercrmck

Differential Revision: https://reviews.llvm.org/D121496
2022-03-22 10:14:43 -07:00

321 lines
12 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d,+zfh,+experimental-zvfh,+v -target-abi=ilp32d \
; RUN: -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=riscv64 -mattr=+d,+zfh,+experimental-zvfh,+v -target-abi=lp64d \
; RUN: -verify-machineinstrs < %s | FileCheck %s
define <vscale x 1 x half> @round_nxv1f16(<vscale x 1 x half> %x) {
; CHECK-LABEL: round_nxv1f16:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI0_0)
; CHECK-NEXT: flh ft0, %lo(.LCPI0_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI0_1)
; CHECK-NEXT: flh ft1, %lo(.LCPI0_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e16, mf4, ta, mu
; CHECK-NEXT: vfabs.v v9, v8
; CHECK-NEXT: vmflt.vf v0, v9, ft0
; CHECK-NEXT: vfadd.vf v9, v9, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v9, v9
; CHECK-NEXT: vfcvt.f.x.v v9, v9
; CHECK-NEXT: vfsgnj.vv v9, v9, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v9, v0
; CHECK-NEXT: ret
%a = call <vscale x 1 x half> @llvm.round.nxv1f16(<vscale x 1 x half> %x)
ret <vscale x 1 x half> %a
}
declare <vscale x 1 x half> @llvm.round.nxv1f16(<vscale x 1 x half>)
define <vscale x 2 x half> @round_nxv2f16(<vscale x 2 x half> %x) {
; CHECK-LABEL: round_nxv2f16:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI1_0)
; CHECK-NEXT: flh ft0, %lo(.LCPI1_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI1_1)
; CHECK-NEXT: flh ft1, %lo(.LCPI1_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e16, mf2, ta, mu
; CHECK-NEXT: vfabs.v v9, v8
; CHECK-NEXT: vmflt.vf v0, v9, ft0
; CHECK-NEXT: vfadd.vf v9, v9, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v9, v9
; CHECK-NEXT: vfcvt.f.x.v v9, v9
; CHECK-NEXT: vfsgnj.vv v9, v9, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v9, v0
; CHECK-NEXT: ret
%a = call <vscale x 2 x half> @llvm.round.nxv2f16(<vscale x 2 x half> %x)
ret <vscale x 2 x half> %a
}
declare <vscale x 2 x half> @llvm.round.nxv2f16(<vscale x 2 x half>)
define <vscale x 4 x half> @round_nxv4f16(<vscale x 4 x half> %x) {
; CHECK-LABEL: round_nxv4f16:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI2_0)
; CHECK-NEXT: flh ft0, %lo(.LCPI2_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI2_1)
; CHECK-NEXT: flh ft1, %lo(.LCPI2_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e16, m1, ta, mu
; CHECK-NEXT: vfabs.v v9, v8
; CHECK-NEXT: vmflt.vf v0, v9, ft0
; CHECK-NEXT: vfadd.vf v9, v9, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v9, v9
; CHECK-NEXT: vfcvt.f.x.v v9, v9
; CHECK-NEXT: vfsgnj.vv v9, v9, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v9, v0
; CHECK-NEXT: ret
%a = call <vscale x 4 x half> @llvm.round.nxv4f16(<vscale x 4 x half> %x)
ret <vscale x 4 x half> %a
}
declare <vscale x 4 x half> @llvm.round.nxv4f16(<vscale x 4 x half>)
define <vscale x 8 x half> @round_nxv8f16(<vscale x 8 x half> %x) {
; CHECK-LABEL: round_nxv8f16:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI3_0)
; CHECK-NEXT: flh ft0, %lo(.LCPI3_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI3_1)
; CHECK-NEXT: flh ft1, %lo(.LCPI3_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e16, m2, ta, mu
; CHECK-NEXT: vfabs.v v10, v8
; CHECK-NEXT: vmflt.vf v0, v10, ft0
; CHECK-NEXT: vfadd.vf v10, v10, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v10, v10
; CHECK-NEXT: vfcvt.f.x.v v10, v10
; CHECK-NEXT: vfsgnj.vv v10, v10, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v10, v0
; CHECK-NEXT: ret
%a = call <vscale x 8 x half> @llvm.round.nxv8f16(<vscale x 8 x half> %x)
ret <vscale x 8 x half> %a
}
declare <vscale x 8 x half> @llvm.round.nxv8f16(<vscale x 8 x half>)
define <vscale x 16 x half> @round_nxv16f16(<vscale x 16 x half> %x) {
; CHECK-LABEL: round_nxv16f16:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI4_0)
; CHECK-NEXT: flh ft0, %lo(.LCPI4_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI4_1)
; CHECK-NEXT: flh ft1, %lo(.LCPI4_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e16, m4, ta, mu
; CHECK-NEXT: vfabs.v v12, v8
; CHECK-NEXT: vmflt.vf v0, v12, ft0
; CHECK-NEXT: vfadd.vf v12, v12, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v12, v12
; CHECK-NEXT: vfcvt.f.x.v v12, v12
; CHECK-NEXT: vfsgnj.vv v12, v12, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v12, v0
; CHECK-NEXT: ret
%a = call <vscale x 16 x half> @llvm.round.nxv16f16(<vscale x 16 x half> %x)
ret <vscale x 16 x half> %a
}
declare <vscale x 16 x half> @llvm.round.nxv16f16(<vscale x 16 x half>)
define <vscale x 32 x half> @round_nxv32f16(<vscale x 32 x half> %x) {
; CHECK-LABEL: round_nxv32f16:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI5_0)
; CHECK-NEXT: flh ft0, %lo(.LCPI5_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI5_1)
; CHECK-NEXT: flh ft1, %lo(.LCPI5_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e16, m8, ta, mu
; CHECK-NEXT: vfabs.v v16, v8
; CHECK-NEXT: vmflt.vf v0, v16, ft0
; CHECK-NEXT: vfadd.vf v16, v16, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v16, v16
; CHECK-NEXT: vfcvt.f.x.v v16, v16
; CHECK-NEXT: vfsgnj.vv v16, v16, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v16, v0
; CHECK-NEXT: ret
%a = call <vscale x 32 x half> @llvm.round.nxv32f16(<vscale x 32 x half> %x)
ret <vscale x 32 x half> %a
}
declare <vscale x 32 x half> @llvm.round.nxv32f16(<vscale x 32 x half>)
define <vscale x 1 x float> @round_nxv1f32(<vscale x 1 x float> %x) {
; CHECK-LABEL: round_nxv1f32:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI6_0)
; CHECK-NEXT: flw ft0, %lo(.LCPI6_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI6_1)
; CHECK-NEXT: flw ft1, %lo(.LCPI6_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e32, mf2, ta, mu
; CHECK-NEXT: vfabs.v v9, v8
; CHECK-NEXT: vmflt.vf v0, v9, ft0
; CHECK-NEXT: vfadd.vf v9, v9, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v9, v9
; CHECK-NEXT: vfcvt.f.x.v v9, v9
; CHECK-NEXT: vfsgnj.vv v9, v9, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v9, v0
; CHECK-NEXT: ret
%a = call <vscale x 1 x float> @llvm.round.nxv1f32(<vscale x 1 x float> %x)
ret <vscale x 1 x float> %a
}
declare <vscale x 1 x float> @llvm.round.nxv1f32(<vscale x 1 x float>)
define <vscale x 2 x float> @round_nxv2f32(<vscale x 2 x float> %x) {
; CHECK-LABEL: round_nxv2f32:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI7_0)
; CHECK-NEXT: flw ft0, %lo(.LCPI7_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI7_1)
; CHECK-NEXT: flw ft1, %lo(.LCPI7_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e32, m1, ta, mu
; CHECK-NEXT: vfabs.v v9, v8
; CHECK-NEXT: vmflt.vf v0, v9, ft0
; CHECK-NEXT: vfadd.vf v9, v9, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v9, v9
; CHECK-NEXT: vfcvt.f.x.v v9, v9
; CHECK-NEXT: vfsgnj.vv v9, v9, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v9, v0
; CHECK-NEXT: ret
%a = call <vscale x 2 x float> @llvm.round.nxv2f32(<vscale x 2 x float> %x)
ret <vscale x 2 x float> %a
}
declare <vscale x 2 x float> @llvm.round.nxv2f32(<vscale x 2 x float>)
define <vscale x 4 x float> @round_nxv4f32(<vscale x 4 x float> %x) {
; CHECK-LABEL: round_nxv4f32:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI8_0)
; CHECK-NEXT: flw ft0, %lo(.LCPI8_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI8_1)
; CHECK-NEXT: flw ft1, %lo(.LCPI8_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e32, m2, ta, mu
; CHECK-NEXT: vfabs.v v10, v8
; CHECK-NEXT: vmflt.vf v0, v10, ft0
; CHECK-NEXT: vfadd.vf v10, v10, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v10, v10
; CHECK-NEXT: vfcvt.f.x.v v10, v10
; CHECK-NEXT: vfsgnj.vv v10, v10, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v10, v0
; CHECK-NEXT: ret
%a = call <vscale x 4 x float> @llvm.round.nxv4f32(<vscale x 4 x float> %x)
ret <vscale x 4 x float> %a
}
declare <vscale x 4 x float> @llvm.round.nxv4f32(<vscale x 4 x float>)
define <vscale x 8 x float> @round_nxv8f32(<vscale x 8 x float> %x) {
; CHECK-LABEL: round_nxv8f32:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI9_0)
; CHECK-NEXT: flw ft0, %lo(.LCPI9_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI9_1)
; CHECK-NEXT: flw ft1, %lo(.LCPI9_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e32, m4, ta, mu
; CHECK-NEXT: vfabs.v v12, v8
; CHECK-NEXT: vmflt.vf v0, v12, ft0
; CHECK-NEXT: vfadd.vf v12, v12, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v12, v12
; CHECK-NEXT: vfcvt.f.x.v v12, v12
; CHECK-NEXT: vfsgnj.vv v12, v12, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v12, v0
; CHECK-NEXT: ret
%a = call <vscale x 8 x float> @llvm.round.nxv8f32(<vscale x 8 x float> %x)
ret <vscale x 8 x float> %a
}
declare <vscale x 8 x float> @llvm.round.nxv8f32(<vscale x 8 x float>)
define <vscale x 16 x float> @round_nxv16f32(<vscale x 16 x float> %x) {
; CHECK-LABEL: round_nxv16f32:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI10_0)
; CHECK-NEXT: flw ft0, %lo(.LCPI10_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI10_1)
; CHECK-NEXT: flw ft1, %lo(.LCPI10_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e32, m8, ta, mu
; CHECK-NEXT: vfabs.v v16, v8
; CHECK-NEXT: vmflt.vf v0, v16, ft0
; CHECK-NEXT: vfadd.vf v16, v16, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v16, v16
; CHECK-NEXT: vfcvt.f.x.v v16, v16
; CHECK-NEXT: vfsgnj.vv v16, v16, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v16, v0
; CHECK-NEXT: ret
%a = call <vscale x 16 x float> @llvm.round.nxv16f32(<vscale x 16 x float> %x)
ret <vscale x 16 x float> %a
}
declare <vscale x 16 x float> @llvm.round.nxv16f32(<vscale x 16 x float>)
define <vscale x 1 x double> @round_nxv1f64(<vscale x 1 x double> %x) {
; CHECK-LABEL: round_nxv1f64:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI11_0)
; CHECK-NEXT: fld ft0, %lo(.LCPI11_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI11_1)
; CHECK-NEXT: fld ft1, %lo(.LCPI11_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e64, m1, ta, mu
; CHECK-NEXT: vfabs.v v9, v8
; CHECK-NEXT: vmflt.vf v0, v9, ft0
; CHECK-NEXT: vfadd.vf v9, v9, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v9, v9
; CHECK-NEXT: vfcvt.f.x.v v9, v9
; CHECK-NEXT: vfsgnj.vv v9, v9, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v9, v0
; CHECK-NEXT: ret
%a = call <vscale x 1 x double> @llvm.round.nxv1f64(<vscale x 1 x double> %x)
ret <vscale x 1 x double> %a
}
declare <vscale x 1 x double> @llvm.round.nxv1f64(<vscale x 1 x double>)
define <vscale x 2 x double> @round_nxv2f64(<vscale x 2 x double> %x) {
; CHECK-LABEL: round_nxv2f64:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI12_0)
; CHECK-NEXT: fld ft0, %lo(.LCPI12_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI12_1)
; CHECK-NEXT: fld ft1, %lo(.LCPI12_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e64, m2, ta, mu
; CHECK-NEXT: vfabs.v v10, v8
; CHECK-NEXT: vmflt.vf v0, v10, ft0
; CHECK-NEXT: vfadd.vf v10, v10, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v10, v10
; CHECK-NEXT: vfcvt.f.x.v v10, v10
; CHECK-NEXT: vfsgnj.vv v10, v10, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v10, v0
; CHECK-NEXT: ret
%a = call <vscale x 2 x double> @llvm.round.nxv2f64(<vscale x 2 x double> %x)
ret <vscale x 2 x double> %a
}
declare <vscale x 2 x double> @llvm.round.nxv2f64(<vscale x 2 x double>)
define <vscale x 4 x double> @round_nxv4f64(<vscale x 4 x double> %x) {
; CHECK-LABEL: round_nxv4f64:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI13_0)
; CHECK-NEXT: fld ft0, %lo(.LCPI13_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI13_1)
; CHECK-NEXT: fld ft1, %lo(.LCPI13_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e64, m4, ta, mu
; CHECK-NEXT: vfabs.v v12, v8
; CHECK-NEXT: vmflt.vf v0, v12, ft0
; CHECK-NEXT: vfadd.vf v12, v12, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v12, v12
; CHECK-NEXT: vfcvt.f.x.v v12, v12
; CHECK-NEXT: vfsgnj.vv v12, v12, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v12, v0
; CHECK-NEXT: ret
%a = call <vscale x 4 x double> @llvm.round.nxv4f64(<vscale x 4 x double> %x)
ret <vscale x 4 x double> %a
}
declare <vscale x 4 x double> @llvm.round.nxv4f64(<vscale x 4 x double>)
define <vscale x 8 x double> @round_nxv8f64(<vscale x 8 x double> %x) {
; CHECK-LABEL: round_nxv8f64:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(.LCPI14_0)
; CHECK-NEXT: fld ft0, %lo(.LCPI14_0)(a0)
; CHECK-NEXT: lui a0, %hi(.LCPI14_1)
; CHECK-NEXT: fld ft1, %lo(.LCPI14_1)(a0)
; CHECK-NEXT: vsetvli a0, zero, e64, m8, ta, mu
; CHECK-NEXT: vfabs.v v16, v8
; CHECK-NEXT: vmflt.vf v0, v16, ft0
; CHECK-NEXT: vfadd.vf v16, v16, ft1
; CHECK-NEXT: vfcvt.rtz.x.f.v v16, v16
; CHECK-NEXT: vfcvt.f.x.v v16, v16
; CHECK-NEXT: vfsgnj.vv v16, v16, v8
; CHECK-NEXT: vmerge.vvm v8, v8, v16, v0
; CHECK-NEXT: ret
%a = call <vscale x 8 x double> @llvm.round.nxv8f64(<vscale x 8 x double> %x)
ret <vscale x 8 x double> %a
}
declare <vscale x 8 x double> @llvm.round.nxv8f64(<vscale x 8 x double>)