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TheRock/compiler/amd-llvm/llvm/test/CodeGen/RISCV/rvv/vwsub-mask-sdnode.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

76 lines
3.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc -mtriple=riscv32 -mattr=+v -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK
; RUN: llc -mtriple=riscv64 -mattr=+v -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK
define <vscale x 8 x i64> @vwsub_wv_mask_v8i32(<vscale x 8 x i32> %x, <vscale x 8 x i64> %y) {
; CHECK-LABEL: vwsub_wv_mask_v8i32:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetvli a0, zero, e32, m4, ta, ma
; CHECK-NEXT: vmv4r.v v24, v8
; CHECK-NEXT: li a0, 42
; CHECK-NEXT: vmslt.vx v0, v8, a0
; CHECK-NEXT: vmv8r.v v8, v16
; CHECK-NEXT: vsetvli zero, zero, e32, m4, tu, mu
; CHECK-NEXT: vwsub.wv v8, v8, v24, v0.t
; CHECK-NEXT: ret
%mask = icmp slt <vscale x 8 x i32> %x, splat (i32 42)
%a = select <vscale x 8 x i1> %mask, <vscale x 8 x i32> %x, <vscale x 8 x i32> zeroinitializer
%sa = sext <vscale x 8 x i32> %a to <vscale x 8 x i64>
%ret = sub <vscale x 8 x i64> %y, %sa
ret <vscale x 8 x i64> %ret
}
define <vscale x 8 x i64> @vwsubu_wv_mask_v8i32(<vscale x 8 x i32> %x, <vscale x 8 x i64> %y) {
; CHECK-LABEL: vwsubu_wv_mask_v8i32:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetvli a0, zero, e32, m4, ta, ma
; CHECK-NEXT: vmv4r.v v24, v8
; CHECK-NEXT: li a0, 42
; CHECK-NEXT: vmslt.vx v0, v8, a0
; CHECK-NEXT: vmv8r.v v8, v16
; CHECK-NEXT: vsetvli zero, zero, e32, m4, tu, mu
; CHECK-NEXT: vwsubu.wv v8, v8, v24, v0.t
; CHECK-NEXT: ret
%mask = icmp slt <vscale x 8 x i32> %x, splat (i32 42)
%a = select <vscale x 8 x i1> %mask, <vscale x 8 x i32> %x, <vscale x 8 x i32> zeroinitializer
%sa = zext <vscale x 8 x i32> %a to <vscale x 8 x i64>
%ret = sub <vscale x 8 x i64> %y, %sa
ret <vscale x 8 x i64> %ret
}
define <vscale x 8 x i64> @vwsubu_vv_mask_v8i32(<vscale x 8 x i32> %x, <vscale x 8 x i32> %y) {
; CHECK-LABEL: vwsubu_vv_mask_v8i32:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetvli a0, zero, e32, m4, ta, ma
; CHECK-NEXT: vmv4r.v v16, v12
; CHECK-NEXT: li a0, 42
; CHECK-NEXT: vmslt.vx v0, v8, a0
; CHECK-NEXT: vmv.v.i v12, 0
; CHECK-NEXT: vmerge.vvm v20, v12, v8, v0
; CHECK-NEXT: vwsubu.vv v8, v16, v20
; CHECK-NEXT: ret
%mask = icmp slt <vscale x 8 x i32> %x, splat (i32 42)
%a = select <vscale x 8 x i1> %mask, <vscale x 8 x i32> %x, <vscale x 8 x i32> zeroinitializer
%sa = zext <vscale x 8 x i32> %a to <vscale x 8 x i64>
%sy = zext <vscale x 8 x i32> %y to <vscale x 8 x i64>
%ret = sub <vscale x 8 x i64> %sy, %sa
ret <vscale x 8 x i64> %ret
}
define <vscale x 8 x i64> @vwsub_wv_mask_v8i32_nonzero(<vscale x 8 x i32> %x, <vscale x 8 x i64> %y) {
; CHECK-LABEL: vwsub_wv_mask_v8i32_nonzero:
; CHECK: # %bb.0:
; CHECK-NEXT: li a0, 42
; CHECK-NEXT: vsetvli a1, zero, e32, m4, ta, ma
; CHECK-NEXT: vmslt.vx v0, v8, a0
; CHECK-NEXT: vmv.v.i v12, 1
; CHECK-NEXT: vmerge.vvm v24, v12, v8, v0
; CHECK-NEXT: vwsub.wv v8, v16, v24
; CHECK-NEXT: ret
%mask = icmp slt <vscale x 8 x i32> %x, splat (i32 42)
%a = select <vscale x 8 x i1> %mask, <vscale x 8 x i32> %x, <vscale x 8 x i32> splat (i32 1)
%sa = sext <vscale x 8 x i32> %a to <vscale x 8 x i64>
%ret = sub <vscale x 8 x i64> %y, %sa
ret <vscale x 8 x i64> %ret
}