; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -mattr=+zve64d,+f,+d,+zfh,+zvfh \ ; RUN: -verify-machineinstrs < %s | FileCheck %s declare {,, i32} @llvm.riscv.vlseg2ff.nxv16i16(,, ptr , i32) declare {,, i32} @llvm.riscv.vlseg2ff.mask.nxv16i16(,, ptr, , i32, i32) define void @test_vlseg2ff_dead_value(ptr %base, i32 %vl, ptr %outvl) { ; CHECK-LABEL: test_vlseg2ff_dead_value: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: vsetvli zero, a1, e16, m4, ta, ma ; CHECK-NEXT: vlseg2e16ff.v v8, (a0) ; CHECK-NEXT: csrr a0, vl ; CHECK-NEXT: sw a0, 0(a2) ; CHECK-NEXT: ret entry: %0 = tail call {,, i32} @llvm.riscv.vlseg2ff.nxv16i16( undef, undef, ptr %base, i32 %vl) %1 = extractvalue {,, i32} %0, 2 store i32 %1, ptr %outvl ret void } define void @test_vlseg2ff_mask_dead_value( %val, ptr %base, i32 %vl, %mask, ptr %outvl) { ; CHECK-LABEL: test_vlseg2ff_mask_dead_value: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: vmv4r.v v12, v8 ; CHECK-NEXT: vsetvli zero, a1, e16, m4, ta, mu ; CHECK-NEXT: vlseg2e16ff.v v8, (a0), v0.t ; CHECK-NEXT: csrr a0, vl ; CHECK-NEXT: sw a0, 0(a2) ; CHECK-NEXT: ret entry: %0 = tail call {,, i32} @llvm.riscv.vlseg2ff.mask.nxv16i16( %val, %val, ptr %base, %mask, i32 %vl, i32 1) %1 = extractvalue {,, i32} %0, 2 store i32 %1, ptr %outvl ret void } define @test_vlseg2ff_dead_vl(ptr %base, i32 %vl) { ; CHECK-LABEL: test_vlseg2ff_dead_vl: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: vsetvli zero, a1, e16, m4, ta, ma ; CHECK-NEXT: vlseg2e16ff.v v4, (a0) ; CHECK-NEXT: ret entry: %0 = tail call {,, i32} @llvm.riscv.vlseg2ff.nxv16i16( undef, undef, ptr %base, i32 %vl) %1 = extractvalue {,, i32} %0, 1 ret %1 } define @test_vlseg2ff_mask_dead_vl( %val, ptr %base, i32 %vl, %mask) { ; CHECK-LABEL: test_vlseg2ff_mask_dead_vl: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: vmv4r.v v4, v8 ; CHECK-NEXT: vsetvli zero, a1, e16, m4, ta, mu ; CHECK-NEXT: vlseg2e16ff.v v4, (a0), v0.t ; CHECK-NEXT: ret entry: %0 = tail call {,, i32} @llvm.riscv.vlseg2ff.mask.nxv16i16( %val, %val, ptr %base, %mask, i32 %vl, i32 1) %1 = extractvalue {,, i32} %0, 1 ret %1 } define void @test_vlseg2ff_dead_all(ptr %base, i32 %vl) { ; CHECK-LABEL: test_vlseg2ff_dead_all: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: vsetvli zero, a1, e16, m4, ta, ma ; CHECK-NEXT: vlseg2e16ff.v v8, (a0) ; CHECK-NEXT: ret entry: tail call {,, i32} @llvm.riscv.vlseg2ff.nxv16i16( undef, undef, ptr %base, i32 %vl) ret void } define void @test_vlseg2ff_mask_dead_all( %val, ptr %base, i32 %vl, %mask) { ; CHECK-LABEL: test_vlseg2ff_mask_dead_all: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: vmv4r.v v12, v8 ; CHECK-NEXT: vsetvli zero, a1, e16, m4, ta, mu ; CHECK-NEXT: vlseg2e16ff.v v8, (a0), v0.t ; CHECK-NEXT: ret entry: tail call {,, i32} @llvm.riscv.vlseg2ff.mask.nxv16i16( %val, %val, ptr %base, %mask, i32 %vl, i32 1) ret void }