Fold (srl (mul (zext i32:$a to i64), i64:c), 32) -> (mulhu $a, $b), if c can truncate to i32 without loss. Reviewed By: frasercrmck, craig.topper, RKSimon Differential Revision: https://reviews.llvm.org/D108129
351 lines
16 KiB
LLVM
351 lines
16 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -mtriple=riscv32 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV32
|
|
; RUN: llc -mtriple=riscv64 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV64
|
|
|
|
; Test that the prepareSREMEqFold optimization doesn't crash on scalable
|
|
; vector types.
|
|
define <vscale x 4 x i1> @srem_eq_fold_nxv4i8(<vscale x 4 x i8> %va) {
|
|
; CHECK-LABEL: srem_eq_fold_nxv4i8:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: addi a0, zero, 42
|
|
; CHECK-NEXT: vsetvli a1, zero, e8, mf2, ta, mu
|
|
; CHECK-NEXT: vmv.v.x v9, a0
|
|
; CHECK-NEXT: addi a1, zero, -85
|
|
; CHECK-NEXT: vmacc.vx v9, a1, v8
|
|
; CHECK-NEXT: vsll.vi v8, v9, 7
|
|
; CHECK-NEXT: vsrl.vi v9, v9, 1
|
|
; CHECK-NEXT: vor.vv v8, v9, v8
|
|
; CHECK-NEXT: vmsleu.vx v0, v8, a0
|
|
; CHECK-NEXT: ret
|
|
%head_six = insertelement <vscale x 4 x i8> undef, i8 6, i32 0
|
|
%splat_six = shufflevector <vscale x 4 x i8> %head_six, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
|
|
%rem = srem <vscale x 4 x i8> %va, %splat_six
|
|
|
|
%cc = icmp eq <vscale x 4 x i8> %rem, zeroinitializer
|
|
ret <vscale x 4 x i1> %cc
|
|
}
|
|
|
|
define <vscale x 1 x i32> @vmulh_vv_nxv1i32(<vscale x 1 x i32> %va, <vscale x 1 x i32> %vb) {
|
|
; CHECK-LABEL: vmulh_vv_nxv1i32:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: vsetvli a0, zero, e32, mf2, ta, mu
|
|
; CHECK-NEXT: vmulh.vv v8, v9, v8
|
|
; CHECK-NEXT: ret
|
|
%vc = sext <vscale x 1 x i32> %vb to <vscale x 1 x i64>
|
|
%vd = sext <vscale x 1 x i32> %va to <vscale x 1 x i64>
|
|
%ve = mul <vscale x 1 x i64> %vc, %vd
|
|
%head = insertelement <vscale x 1 x i64> undef, i64 32, i32 0
|
|
%splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
|
|
%vf = lshr <vscale x 1 x i64> %ve, %splat
|
|
%vg = trunc <vscale x 1 x i64> %vf to <vscale x 1 x i32>
|
|
ret <vscale x 1 x i32> %vg
|
|
}
|
|
|
|
define <vscale x 1 x i32> @vmulh_vx_nxv1i32(<vscale x 1 x i32> %va, i32 %x) {
|
|
; CHECK-LABEL: vmulh_vx_nxv1i32:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: vsetvli a1, zero, e32, mf2, ta, mu
|
|
; CHECK-NEXT: vmulh.vx v8, v8, a0
|
|
; CHECK-NEXT: ret
|
|
%head1 = insertelement <vscale x 1 x i32> undef, i32 %x, i32 0
|
|
%splat1 = shufflevector <vscale x 1 x i32> %head1, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
|
|
%vb = sext <vscale x 1 x i32> %splat1 to <vscale x 1 x i64>
|
|
%vc = sext <vscale x 1 x i32> %va to <vscale x 1 x i64>
|
|
%vd = mul <vscale x 1 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 1 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 1 x i64> %head2, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 1 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 1 x i64> %ve to <vscale x 1 x i32>
|
|
ret <vscale x 1 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 1 x i32> @vmulh_vi_nxv1i32_0(<vscale x 1 x i32> %va) {
|
|
; RV32-LABEL: vmulh_vi_nxv1i32_0:
|
|
; RV32: # %bb.0:
|
|
; RV32-NEXT: addi a0, zero, -7
|
|
; RV32-NEXT: vsetvli a1, zero, e32, mf2, ta, mu
|
|
; RV32-NEXT: vmulh.vx v8, v8, a0
|
|
; RV32-NEXT: ret
|
|
;
|
|
; RV64-LABEL: vmulh_vi_nxv1i32_0:
|
|
; RV64: # %bb.0:
|
|
; RV64-NEXT: addi a0, zero, 1
|
|
; RV64-NEXT: slli a0, a0, 32
|
|
; RV64-NEXT: addi a0, a0, -7
|
|
; RV64-NEXT: vsetvli a1, zero, e32, mf2, ta, mu
|
|
; RV64-NEXT: vmulh.vx v8, v8, a0
|
|
; RV64-NEXT: ret
|
|
%head1 = insertelement <vscale x 1 x i32> undef, i32 -7, i32 0
|
|
%splat1 = shufflevector <vscale x 1 x i32> %head1, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
|
|
%vb = sext <vscale x 1 x i32> %splat1 to <vscale x 1 x i64>
|
|
%vc = sext <vscale x 1 x i32> %va to <vscale x 1 x i64>
|
|
%vd = mul <vscale x 1 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 1 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 1 x i64> %head2, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 1 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 1 x i64> %ve to <vscale x 1 x i32>
|
|
ret <vscale x 1 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 1 x i32> @vmulh_vi_nxv1i32_1(<vscale x 1 x i32> %va) {
|
|
; CHECK-LABEL: vmulh_vi_nxv1i32_1:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: addi a0, zero, 16
|
|
; CHECK-NEXT: vsetvli a1, zero, e32, mf2, ta, mu
|
|
; CHECK-NEXT: vmulh.vx v8, v8, a0
|
|
; CHECK-NEXT: ret
|
|
%head1 = insertelement <vscale x 1 x i32> undef, i32 16, i32 0
|
|
%splat1 = shufflevector <vscale x 1 x i32> %head1, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
|
|
%vb = sext <vscale x 1 x i32> %splat1 to <vscale x 1 x i64>
|
|
%vc = sext <vscale x 1 x i32> %va to <vscale x 1 x i64>
|
|
%vd = mul <vscale x 1 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 1 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 1 x i64> %head2, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 1 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 1 x i64> %ve to <vscale x 1 x i32>
|
|
ret <vscale x 1 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 2 x i32> @vmulh_vv_nxv2i32(<vscale x 2 x i32> %va, <vscale x 2 x i32> %vb) {
|
|
; CHECK-LABEL: vmulh_vv_nxv2i32:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: vsetvli a0, zero, e32, m1, ta, mu
|
|
; CHECK-NEXT: vmulh.vv v8, v9, v8
|
|
; CHECK-NEXT: ret
|
|
%vc = sext <vscale x 2 x i32> %vb to <vscale x 2 x i64>
|
|
%vd = sext <vscale x 2 x i32> %va to <vscale x 2 x i64>
|
|
%ve = mul <vscale x 2 x i64> %vc, %vd
|
|
%head = insertelement <vscale x 2 x i64> undef, i64 32, i32 0
|
|
%splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
|
|
%vf = lshr <vscale x 2 x i64> %ve, %splat
|
|
%vg = trunc <vscale x 2 x i64> %vf to <vscale x 2 x i32>
|
|
ret <vscale x 2 x i32> %vg
|
|
}
|
|
|
|
define <vscale x 2 x i32> @vmulh_vx_nxv2i32(<vscale x 2 x i32> %va, i32 %x) {
|
|
; CHECK-LABEL: vmulh_vx_nxv2i32:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: vsetvli a1, zero, e32, m1, ta, mu
|
|
; CHECK-NEXT: vmulh.vx v8, v8, a0
|
|
; CHECK-NEXT: ret
|
|
%head1 = insertelement <vscale x 2 x i32> undef, i32 %x, i32 0
|
|
%splat1 = shufflevector <vscale x 2 x i32> %head1, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
|
|
%vb = sext <vscale x 2 x i32> %splat1 to <vscale x 2 x i64>
|
|
%vc = sext <vscale x 2 x i32> %va to <vscale x 2 x i64>
|
|
%vd = mul <vscale x 2 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 2 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 2 x i64> %head2, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 2 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 2 x i64> %ve to <vscale x 2 x i32>
|
|
ret <vscale x 2 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 2 x i32> @vmulh_vi_nxv2i32_0(<vscale x 2 x i32> %va) {
|
|
; RV32-LABEL: vmulh_vi_nxv2i32_0:
|
|
; RV32: # %bb.0:
|
|
; RV32-NEXT: addi a0, zero, -7
|
|
; RV32-NEXT: vsetvli a1, zero, e32, m1, ta, mu
|
|
; RV32-NEXT: vmulh.vx v8, v8, a0
|
|
; RV32-NEXT: ret
|
|
;
|
|
; RV64-LABEL: vmulh_vi_nxv2i32_0:
|
|
; RV64: # %bb.0:
|
|
; RV64-NEXT: addi a0, zero, 1
|
|
; RV64-NEXT: slli a0, a0, 32
|
|
; RV64-NEXT: addi a0, a0, -7
|
|
; RV64-NEXT: vsetvli a1, zero, e32, m1, ta, mu
|
|
; RV64-NEXT: vmulh.vx v8, v8, a0
|
|
; RV64-NEXT: ret
|
|
%head1 = insertelement <vscale x 2 x i32> undef, i32 -7, i32 0
|
|
%splat1 = shufflevector <vscale x 2 x i32> %head1, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
|
|
%vb = sext <vscale x 2 x i32> %splat1 to <vscale x 2 x i64>
|
|
%vc = sext <vscale x 2 x i32> %va to <vscale x 2 x i64>
|
|
%vd = mul <vscale x 2 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 2 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 2 x i64> %head2, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 2 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 2 x i64> %ve to <vscale x 2 x i32>
|
|
ret <vscale x 2 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 2 x i32> @vmulh_vi_nxv2i32_1(<vscale x 2 x i32> %va) {
|
|
; CHECK-LABEL: vmulh_vi_nxv2i32_1:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: addi a0, zero, 16
|
|
; CHECK-NEXT: vsetvli a1, zero, e32, m1, ta, mu
|
|
; CHECK-NEXT: vmulh.vx v8, v8, a0
|
|
; CHECK-NEXT: ret
|
|
%head1 = insertelement <vscale x 2 x i32> undef, i32 16, i32 0
|
|
%splat1 = shufflevector <vscale x 2 x i32> %head1, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
|
|
%vb = sext <vscale x 2 x i32> %splat1 to <vscale x 2 x i64>
|
|
%vc = sext <vscale x 2 x i32> %va to <vscale x 2 x i64>
|
|
%vd = mul <vscale x 2 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 2 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 2 x i64> %head2, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 2 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 2 x i64> %ve to <vscale x 2 x i32>
|
|
ret <vscale x 2 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 4 x i32> @vmulh_vv_nxv4i32(<vscale x 4 x i32> %va, <vscale x 4 x i32> %vb) {
|
|
; CHECK-LABEL: vmulh_vv_nxv4i32:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: vsetvli a0, zero, e32, m2, ta, mu
|
|
; CHECK-NEXT: vmulh.vv v8, v10, v8
|
|
; CHECK-NEXT: ret
|
|
%vc = sext <vscale x 4 x i32> %vb to <vscale x 4 x i64>
|
|
%vd = sext <vscale x 4 x i32> %va to <vscale x 4 x i64>
|
|
%ve = mul <vscale x 4 x i64> %vc, %vd
|
|
%head = insertelement <vscale x 4 x i64> undef, i64 32, i32 0
|
|
%splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
|
|
%vf = lshr <vscale x 4 x i64> %ve, %splat
|
|
%vg = trunc <vscale x 4 x i64> %vf to <vscale x 4 x i32>
|
|
ret <vscale x 4 x i32> %vg
|
|
}
|
|
|
|
define <vscale x 4 x i32> @vmulh_vx_nxv4i32(<vscale x 4 x i32> %va, i32 %x) {
|
|
; CHECK-LABEL: vmulh_vx_nxv4i32:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: vsetvli a1, zero, e32, m2, ta, mu
|
|
; CHECK-NEXT: vmulh.vx v8, v8, a0
|
|
; CHECK-NEXT: ret
|
|
%head1 = insertelement <vscale x 4 x i32> undef, i32 %x, i32 0
|
|
%splat1 = shufflevector <vscale x 4 x i32> %head1, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
|
|
%vb = sext <vscale x 4 x i32> %splat1 to <vscale x 4 x i64>
|
|
%vc = sext <vscale x 4 x i32> %va to <vscale x 4 x i64>
|
|
%vd = mul <vscale x 4 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 4 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 4 x i64> %head2, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 4 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 4 x i64> %ve to <vscale x 4 x i32>
|
|
ret <vscale x 4 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 4 x i32> @vmulh_vi_nxv4i32_0(<vscale x 4 x i32> %va) {
|
|
; RV32-LABEL: vmulh_vi_nxv4i32_0:
|
|
; RV32: # %bb.0:
|
|
; RV32-NEXT: addi a0, zero, -7
|
|
; RV32-NEXT: vsetvli a1, zero, e32, m2, ta, mu
|
|
; RV32-NEXT: vmulh.vx v8, v8, a0
|
|
; RV32-NEXT: ret
|
|
;
|
|
; RV64-LABEL: vmulh_vi_nxv4i32_0:
|
|
; RV64: # %bb.0:
|
|
; RV64-NEXT: addi a0, zero, 1
|
|
; RV64-NEXT: slli a0, a0, 32
|
|
; RV64-NEXT: addi a0, a0, -7
|
|
; RV64-NEXT: vsetvli a1, zero, e32, m2, ta, mu
|
|
; RV64-NEXT: vmulh.vx v8, v8, a0
|
|
; RV64-NEXT: ret
|
|
%head1 = insertelement <vscale x 4 x i32> undef, i32 -7, i32 0
|
|
%splat1 = shufflevector <vscale x 4 x i32> %head1, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
|
|
%vb = sext <vscale x 4 x i32> %splat1 to <vscale x 4 x i64>
|
|
%vc = sext <vscale x 4 x i32> %va to <vscale x 4 x i64>
|
|
%vd = mul <vscale x 4 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 4 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 4 x i64> %head2, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 4 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 4 x i64> %ve to <vscale x 4 x i32>
|
|
ret <vscale x 4 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 4 x i32> @vmulh_vi_nxv4i32_1(<vscale x 4 x i32> %va) {
|
|
; CHECK-LABEL: vmulh_vi_nxv4i32_1:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: addi a0, zero, 16
|
|
; CHECK-NEXT: vsetvli a1, zero, e32, m2, ta, mu
|
|
; CHECK-NEXT: vmulh.vx v8, v8, a0
|
|
; CHECK-NEXT: ret
|
|
%head1 = insertelement <vscale x 4 x i32> undef, i32 16, i32 0
|
|
%splat1 = shufflevector <vscale x 4 x i32> %head1, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
|
|
%vb = sext <vscale x 4 x i32> %splat1 to <vscale x 4 x i64>
|
|
%vc = sext <vscale x 4 x i32> %va to <vscale x 4 x i64>
|
|
%vd = mul <vscale x 4 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 4 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 4 x i64> %head2, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 4 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 4 x i64> %ve to <vscale x 4 x i32>
|
|
ret <vscale x 4 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 8 x i32> @vmulh_vv_nxv8i32(<vscale x 8 x i32> %va, <vscale x 8 x i32> %vb) {
|
|
; CHECK-LABEL: vmulh_vv_nxv8i32:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: vsetvli a0, zero, e32, m4, ta, mu
|
|
; CHECK-NEXT: vmulh.vv v8, v12, v8
|
|
; CHECK-NEXT: ret
|
|
%vc = sext <vscale x 8 x i32> %vb to <vscale x 8 x i64>
|
|
%vd = sext <vscale x 8 x i32> %va to <vscale x 8 x i64>
|
|
%ve = mul <vscale x 8 x i64> %vc, %vd
|
|
%head = insertelement <vscale x 8 x i64> undef, i64 32, i32 0
|
|
%splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
|
|
%vf = lshr <vscale x 8 x i64> %ve, %splat
|
|
%vg = trunc <vscale x 8 x i64> %vf to <vscale x 8 x i32>
|
|
ret <vscale x 8 x i32> %vg
|
|
}
|
|
|
|
define <vscale x 8 x i32> @vmulh_vx_nxv8i32(<vscale x 8 x i32> %va, i32 %x) {
|
|
; CHECK-LABEL: vmulh_vx_nxv8i32:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: vsetvli a1, zero, e32, m4, ta, mu
|
|
; CHECK-NEXT: vmulh.vx v8, v8, a0
|
|
; CHECK-NEXT: ret
|
|
%head1 = insertelement <vscale x 8 x i32> undef, i32 %x, i32 0
|
|
%splat1 = shufflevector <vscale x 8 x i32> %head1, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
|
|
%vb = sext <vscale x 8 x i32> %splat1 to <vscale x 8 x i64>
|
|
%vc = sext <vscale x 8 x i32> %va to <vscale x 8 x i64>
|
|
%vd = mul <vscale x 8 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 8 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 8 x i64> %head2, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 8 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 8 x i64> %ve to <vscale x 8 x i32>
|
|
ret <vscale x 8 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 8 x i32> @vmulh_vi_nxv8i32_0(<vscale x 8 x i32> %va) {
|
|
; RV32-LABEL: vmulh_vi_nxv8i32_0:
|
|
; RV32: # %bb.0:
|
|
; RV32-NEXT: addi a0, zero, -7
|
|
; RV32-NEXT: vsetvli a1, zero, e32, m4, ta, mu
|
|
; RV32-NEXT: vmulh.vx v8, v8, a0
|
|
; RV32-NEXT: ret
|
|
;
|
|
; RV64-LABEL: vmulh_vi_nxv8i32_0:
|
|
; RV64: # %bb.0:
|
|
; RV64-NEXT: addi a0, zero, 1
|
|
; RV64-NEXT: slli a0, a0, 32
|
|
; RV64-NEXT: addi a0, a0, -7
|
|
; RV64-NEXT: vsetvli a1, zero, e32, m4, ta, mu
|
|
; RV64-NEXT: vmulh.vx v8, v8, a0
|
|
; RV64-NEXT: ret
|
|
%head1 = insertelement <vscale x 8 x i32> undef, i32 -7, i32 0
|
|
%splat1 = shufflevector <vscale x 8 x i32> %head1, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
|
|
%vb = sext <vscale x 8 x i32> %splat1 to <vscale x 8 x i64>
|
|
%vc = sext <vscale x 8 x i32> %va to <vscale x 8 x i64>
|
|
%vd = mul <vscale x 8 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 8 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 8 x i64> %head2, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 8 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 8 x i64> %ve to <vscale x 8 x i32>
|
|
ret <vscale x 8 x i32> %vf
|
|
}
|
|
|
|
define <vscale x 8 x i32> @vmulh_vi_nxv8i32_1(<vscale x 8 x i32> %va) {
|
|
; CHECK-LABEL: vmulh_vi_nxv8i32_1:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: addi a0, zero, 16
|
|
; CHECK-NEXT: vsetvli a1, zero, e32, m4, ta, mu
|
|
; CHECK-NEXT: vmulh.vx v8, v8, a0
|
|
; CHECK-NEXT: ret
|
|
%head1 = insertelement <vscale x 8 x i32> undef, i32 16, i32 0
|
|
%splat1 = shufflevector <vscale x 8 x i32> %head1, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
|
|
%vb = sext <vscale x 8 x i32> %splat1 to <vscale x 8 x i64>
|
|
%vc = sext <vscale x 8 x i32> %va to <vscale x 8 x i64>
|
|
%vd = mul <vscale x 8 x i64> %vb, %vc
|
|
%head2 = insertelement <vscale x 8 x i64> undef, i64 32, i32 0
|
|
%splat2 = shufflevector <vscale x 8 x i64> %head2, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
|
|
%ve = lshr <vscale x 8 x i64> %vd, %splat2
|
|
%vf = trunc <vscale x 8 x i64> %ve to <vscale x 8 x i32>
|
|
ret <vscale x 8 x i32> %vf
|
|
}
|