# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc %s -o - -mtriple=riscv64 -mattr=v -run-pass=liveintervals,riscv-insert-vsetvli \ # RUN: -verify-machineinstrs | FileCheck %s --- | source_filename = "vsetvli-insert.ll" target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128" target triple = "riscv64" define @add( %0, %1, i64 %2) #0 { entry: %a = call @llvm.riscv.vadd.nxv1i64.nxv1i64.i64( undef, %0, %1, i64 %2) ret %a } define @load_add(ptr %0, %1, i64 %2) #0 { entry: %a = call @llvm.riscv.vle.nxv1i64.i64( undef, ptr %0, i64 %2) %b = call @llvm.riscv.vadd.nxv1i64.nxv1i64.i64( undef, %a, %1, i64 %2) ret %b } define @load_zext(ptr %0, i64 %1) #0 { entry: %a = call @llvm.riscv.vle.nxv1i32.i64( undef, ptr %0, i64 %1) %b = call @llvm.riscv.vzext.nxv1i64.nxv1i32.i64( undef, %a, i64 %1) ret %b } define i64 @vmv_x_s( %0) #0 { entry: %a = call i64 @llvm.riscv.vmv.x.s.nxv1i64( %0) ret i64 %a } define void @add_v2i64(ptr %x, ptr %y) #0 { %a = load <2 x i64>, ptr %x, align 16 %b = load <2 x i64>, ptr %y, align 16 %c = add <2 x i64> %a, %b store <2 x i64> %c, ptr %x, align 16 ret void } define i64 @vreduce_add_v2i64(ptr %x) #0 { %v = load <2 x i64>, ptr %x, align 16 %red = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %v) ret i64 %red } define @vsetvli_add( %0, %1, i64 %avl) #0 { entry: %a = call i64 @llvm.riscv.vsetvli.i64(i64 %avl, i64 3, i64 0) %b = call @llvm.riscv.vadd.nxv1i64.nxv1i64.i64( undef, %0, %1, i64 %a) ret %b } define @load_add_inlineasm(ptr %0, %1, i64 %2) #0 { entry: %a = call @llvm.riscv.vle.nxv1i64.i64( undef, ptr %0, i64 %2) call void asm sideeffect "", ""() %b = call @llvm.riscv.vadd.nxv1i64.nxv1i64.i64( undef, %a, %1, i64 %2) ret %b } define void @vmv_v_i_different_lmuls() { ret void } define void @pre_same_sewlmul_ratio() { ret void } define void @postpass_modify_vl() { ret void } define void @coalesce_dead_avl_addi() { ret void } define void @coalesce_dead_avl_nonvolatile_load() { ret void } define void @coalesce_dead_avl_volatile_load() { ret void } define void @coalesce_shrink_removed_vsetvlis_uses() { ret void } define void @coalesce_vl_avl_same_reg() { ret void } define void @coalesce_vl_clobber() { ret void } define void @vsetvli_vleff() { ret void } define void @non_li_addi() { ret void } attributes #0 = { "target-features"="+v" } ... --- name: add alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: vr } - { id: 1, class: vr } - { id: 2, class: gprnox0 } - { id: 3, class: vr } liveins: - { reg: '$v8', virtual-reg: '%0' } - { reg: '$v9', virtual-reg: '%1' } - { reg: '$x10', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0.entry: liveins: $v8, $v9, $x10 ; CHECK-LABEL: name: add ; CHECK: liveins: $v8, $v9, $x10 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gprnox0 = COPY $x10 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vr = COPY $v9 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:vr = COPY $v8 ; CHECK-NEXT: dead $x0 = PseudoVSETVLI [[COPY]], 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVADD_VV_M1_:%[0-9]+]]:vr = PseudoVADD_VV_M1 undef $noreg, [[COPY2]], [[COPY1]], $noreg /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: $v8 = COPY [[PseudoVADD_VV_M1_]], implicit $vtype ; CHECK-NEXT: PseudoRET implicit $v8 %2:gprnox0 = COPY $x10 %1:vr = COPY $v9 %0:vr = COPY $v8 %3:vr = PseudoVADD_VV_M1 undef $noreg, %0, %1, %2, 6, 0 $v8 = COPY %3 PseudoRET implicit $v8 ... --- name: load_add alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: gpr } - { id: 1, class: vr } - { id: 2, class: gprnox0 } - { id: 3, class: vr } - { id: 4, class: vr } liveins: - { reg: '$x10', virtual-reg: '%0' } - { reg: '$v8', virtual-reg: '%1' } - { reg: '$x11', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0.entry: liveins: $x10, $v8, $x11 ; CHECK-LABEL: name: load_add ; CHECK: liveins: $x10, $v8, $x11 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gprnox0 = COPY $x11 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vr = COPY $v8 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr = COPY $x10 ; CHECK-NEXT: dead $x0 = PseudoVSETVLI [[COPY]], 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVLE64_V_M1_:%[0-9]+]]:vr = PseudoVLE64_V_M1 undef $noreg, [[COPY2]], $noreg /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: [[PseudoVADD_VV_M1_:%[0-9]+]]:vr = PseudoVADD_VV_M1 undef $noreg, [[PseudoVLE64_V_M1_]], [[COPY1]], $noreg /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: $v8 = COPY [[PseudoVADD_VV_M1_]], implicit $vtype ; CHECK-NEXT: PseudoRET implicit $v8 %2:gprnox0 = COPY $x11 %1:vr = COPY $v8 %0:gpr = COPY $x10 %3:vr = PseudoVLE64_V_M1 undef $noreg, %0, %2, 6, 0 %4:vr = PseudoVADD_VV_M1 undef $noreg, killed %3, %1, %2, 6, 0 $v8 = COPY %4 PseudoRET implicit $v8 ... --- name: load_zext alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: gpr } - { id: 1, class: gprnox0 } - { id: 2, class: vr } - { id: 3, class: vr } liveins: - { reg: '$x10', virtual-reg: '%0' } - { reg: '$x11', virtual-reg: '%1' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0.entry: liveins: $x10, $x11 ; CHECK-LABEL: name: load_zext ; CHECK: liveins: $x10, $x11 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gprnox0 = COPY $x11 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr = COPY $x10 ; CHECK-NEXT: dead $x0 = PseudoVSETVLI [[COPY]], 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVLE32_V_MF2_:%[0-9]+]]:vr = PseudoVLE32_V_MF2 undef $noreg, [[COPY1]], $noreg /* vl */, 5 /* e32 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: early-clobber %3:vr = PseudoVZEXT_VF2_M1 undef $noreg, [[PseudoVLE32_V_MF2_]], $noreg /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: $v8 = COPY %3, implicit $vtype ; CHECK-NEXT: PseudoRET implicit $v8 %1:gprnox0 = COPY $x11 %0:gpr = COPY $x10 %2:vr = PseudoVLE32_V_MF2 undef $noreg, %0, %1, 5, 0 early-clobber %3:vr = PseudoVZEXT_VF2_M1 undef $noreg, killed %2, %1, 6, 0 $v8 = COPY %3 PseudoRET implicit $v8 ... --- name: vmv_x_s alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: vr } - { id: 1, class: gpr } liveins: - { reg: '$v8', virtual-reg: '%0' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0.entry: liveins: $v8 ; CHECK-LABEL: name: vmv_x_s ; CHECK: liveins: $v8 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:vr = COPY $v8 ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 1, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVMV_X_S:%[0-9]+]]:gpr = PseudoVMV_X_S [[COPY]], 6 /* e64 */, implicit $vtype ; CHECK-NEXT: $x10 = COPY [[PseudoVMV_X_S]] ; CHECK-NEXT: PseudoRET implicit $x10 %0:vr = COPY $v8 %1:gpr = PseudoVMV_X_S %0, 6 $x10 = COPY %1 PseudoRET implicit $x10 ... --- name: add_v2i64 alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: gpr } - { id: 1, class: gpr } - { id: 2, class: vr } - { id: 3, class: vr } - { id: 4, class: vr } liveins: - { reg: '$x10', virtual-reg: '%0' } - { reg: '$x11', virtual-reg: '%1' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0 (%ir-block.0): liveins: $x10, $x11 ; CHECK-LABEL: name: add_v2i64 ; CHECK: liveins: $x10, $x11 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr = COPY $x11 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr = COPY $x10 ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 2, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVLE64_V_M1_:%[0-9]+]]:vr = PseudoVLE64_V_M1 undef $noreg, [[COPY1]], 2 /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype :: (load (s128) from %ir.x) ; CHECK-NEXT: [[PseudoVLE64_V_M1_1:%[0-9]+]]:vr = PseudoVLE64_V_M1 undef $noreg, [[COPY]], 2 /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype :: (load (s128) from %ir.y) ; CHECK-NEXT: [[PseudoVADD_VV_M1_:%[0-9]+]]:vr = PseudoVADD_VV_M1 undef $noreg, [[PseudoVLE64_V_M1_]], [[PseudoVLE64_V_M1_1]], 2 /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: PseudoVSE64_V_M1 [[PseudoVADD_VV_M1_]], [[COPY1]], 2 /* vl */, 6 /* e64 */, implicit $vl, implicit $vtype :: (store (s128) into %ir.x) ; CHECK-NEXT: PseudoRET %1:gpr = COPY $x11 %0:gpr = COPY $x10 %2:vr = PseudoVLE64_V_M1 undef $noreg, %0, 2, 6, 0 :: (load (s128) from %ir.x) %3:vr = PseudoVLE64_V_M1 undef $noreg, %1, 2, 6, 0 :: (load (s128) from %ir.y) %4:vr = PseudoVADD_VV_M1 undef $noreg, killed %2, killed %3, 2, 6, 0 PseudoVSE64_V_M1 killed %4, %0, 2, 6 :: (store (s128) into %ir.x) PseudoRET ... --- name: vreduce_add_v2i64 alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: gpr } - { id: 1, class: vr } - { id: 2, class: vr } - { id: 3, class: vr } - { id: 4, class: vr } - { id: 5, class: gpr } liveins: - { reg: '$x10', virtual-reg: '%0' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0 (%ir-block.0): liveins: $x10 ; CHECK-LABEL: name: vreduce_add_v2i64 ; CHECK: liveins: $x10 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr = COPY $x10 ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 2, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVLE64_V_M1_:%[0-9]+]]:vr = PseudoVLE64_V_M1 undef $noreg, [[COPY]], 2 /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype :: (load (s128) from %ir.x) ; CHECK-NEXT: dead [[PseudoVSETVLIX0_:%[0-9]+]]:gprnox0 = PseudoVSETVLIX0 killed $x0, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVMV_V_I_M1_:%[0-9]+]]:vr = PseudoVMV_V_I_M1 undef $noreg, 0, -1 /* vl=VLMAX */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 2, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVREDSUM_VS_M1_E8_:%[0-9]+]]:vr = PseudoVREDSUM_VS_M1_E8 undef $noreg, [[PseudoVLE64_V_M1_]], [[PseudoVMV_V_I_M1_]], 2 /* vl */, 6 /* e64 */, 1 /* ta, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: [[PseudoVMV_X_S:%[0-9]+]]:gpr = PseudoVMV_X_S [[PseudoVREDSUM_VS_M1_E8_]], 6 /* e64 */, implicit $vtype ; CHECK-NEXT: $x10 = COPY [[PseudoVMV_X_S]] ; CHECK-NEXT: PseudoRET implicit $x10 %0:gpr = COPY $x10 %1:vr = PseudoVLE64_V_M1 undef $noreg, %0, 2, 6, 0 :: (load (s128) from %ir.x) %2:vr = PseudoVMV_V_I_M1 undef $noreg, 0, -1, 6, 0 %3:vr = PseudoVREDSUM_VS_M1_E8 undef $noreg, killed %1, killed %2, 2, 6, 1 %5:gpr = PseudoVMV_X_S killed %3, 6 $x10 = COPY %5 PseudoRET implicit $x10 ... --- name: vsetvli_add alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: vr } - { id: 1, class: vr } - { id: 2, class: gprnox0 } - { id: 3, class: gprnox0 } - { id: 4, class: vr } liveins: - { reg: '$v8', virtual-reg: '%0' } - { reg: '$v9', virtual-reg: '%1' } - { reg: '$x10', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0.entry: liveins: $v8, $v9, $x10 ; CHECK-LABEL: name: vsetvli_add ; CHECK: liveins: $v8, $v9, $x10 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gprnox0 = COPY $x10 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vr = COPY $v9 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:vr = COPY $v8 ; CHECK-NEXT: dead [[PseudoVSETVLI:%[0-9]+]]:gprnox0 = PseudoVSETVLI [[COPY]], 88 /* e64, m1, ta, mu */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVADD_VV_M1_:%[0-9]+]]:vr = PseudoVADD_VV_M1 undef $noreg, [[COPY2]], [[COPY1]], $noreg /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: $v8 = COPY [[PseudoVADD_VV_M1_]], implicit $vtype ; CHECK-NEXT: PseudoRET implicit $v8 %2:gprnox0 = COPY $x10 %1:vr = COPY $v9 %0:vr = COPY $v8 %3:gprnox0 = PseudoVSETVLI %2, 88, implicit-def dead $vl, implicit-def dead $vtype %4:vr = PseudoVADD_VV_M1 undef $noreg, %0, %1, killed %3, 6, 0 $v8 = COPY %4 PseudoRET implicit $v8 ... --- name: load_add_inlineasm alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: gpr } - { id: 1, class: vr } - { id: 2, class: gprnox0 } - { id: 3, class: vr } - { id: 4, class: vr } liveins: - { reg: '$x10', virtual-reg: '%0' } - { reg: '$v8', virtual-reg: '%1' } - { reg: '$x11', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0.entry: liveins: $x10, $v8, $x11 ; CHECK-LABEL: name: load_add_inlineasm ; CHECK: liveins: $x10, $v8, $x11 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gprnox0 = COPY $x11 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vr = COPY $v8 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr = COPY $x10 ; CHECK-NEXT: dead $x0 = PseudoVSETVLI [[COPY]], 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVLE64_V_M1_:%[0-9]+]]:vr = PseudoVLE64_V_M1 undef $noreg, [[COPY2]], $noreg /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: INLINEASM &"", sideeffect attdialect, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead $x0 = PseudoVSETVLI [[COPY]], 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: [[PseudoVADD_VV_M1_:%[0-9]+]]:vr = PseudoVADD_VV_M1 undef $noreg, [[PseudoVLE64_V_M1_]], [[COPY1]], $noreg /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: $v8 = COPY [[PseudoVADD_VV_M1_]], implicit $vtype ; CHECK-NEXT: PseudoRET implicit $v8 %2:gprnox0 = COPY $x11 %1:vr = COPY $v8 %0:gpr = COPY $x10 %3:vr = PseudoVLE64_V_M1 undef $noreg, %0, %2, 6, 0 INLINEASM &"", sideeffect attdialect %4:vr = PseudoVADD_VV_M1 undef $noreg, killed %3, %1, %2, 6, 0 $v8 = COPY %4 PseudoRET implicit $v8 ... --- name: vmv_v_i_different_lmuls tracksRegLiveness: true body: | bb.0: liveins: $x10, $v8, $x11 ; CHECK-LABEL: name: vmv_v_i_different_lmuls ; CHECK: liveins: $x10, $v8, $x11 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 4, 217 /* e64, m2, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead [[PseudoVID_V_M2_:%[0-9]+]]:vrm2 = PseudoVID_V_M2 undef $noreg, 4 /* vl */, 6 /* e64 */, 3 /* ta, ma */, implicit $vl, implicit $vtype ; CHECK-NEXT: dead $x0 = PseudoVSETVLIX0X0 killed $x0, 198 /* e8, mf4, ta, ma */, implicit-def $vl, implicit-def $vtype, implicit $vl ; CHECK-NEXT: dead [[PseudoVMV_V_I_MF4_:%[0-9]+]]:vr = PseudoVMV_V_I_MF4 undef $noreg, 0, 4 /* vl */, 3 /* e8 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: PseudoRET %0:vrm2 = PseudoVID_V_M2 undef $noreg, 4, 6, 3 %4:vr = PseudoVMV_V_I_MF4 undef $noreg, 0, 4, 3, 0 PseudoRET ... --- # make sure we don't try to perform PRE when one of the blocks is sew/lmul ratio # only name: pre_same_sewlmul_ratio tracksRegLiveness: true body: | ; CHECK-LABEL: name: pre_same_sewlmul_ratio ; CHECK: bb.0: ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.1(0x40000000) ; CHECK-NEXT: liveins: $x10 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %cond:gpr = COPY $x10 ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 2, 215 /* e32, mf2, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead [[PseudoVMV_V_I_MF2_:%[0-9]+]]:vr = PseudoVMV_V_I_MF2 undef $noreg, 1, 2 /* vl */, 5 /* e32 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: BEQ %cond, $x0, %bb.2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1: ; CHECK-NEXT: successors: %bb.2(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: dead $x0 = PseudoVSETVLIX0X0 killed $x0, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype, implicit $vl ; CHECK-NEXT: dead [[PseudoVMV_V_I_M1_:%[0-9]+]]:vr = PseudoVMV_V_I_M1 undef $noreg, 1, 2 /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.3(0x40000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: BEQ %cond, $x0, %bb.4 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3: ; CHECK-NEXT: successors: %bb.4(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: PseudoCALL $noreg, csr_ilp32_lp64 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4: ; CHECK-NEXT: $x0 = PseudoVSETIVLI 2, 215 /* e32, mf2, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead [[PseudoVMV_X_S:%[0-9]+]]:gpr = PseudoVMV_X_S undef $noreg, 5 /* e32 */, implicit $vtype ; CHECK-NEXT: dead [[PseudoVMV_V_I_MF2_1:%[0-9]+]]:vr = PseudoVMV_V_I_MF2 undef $noreg, 1, 2 /* vl */, 5 /* e32 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: PseudoRET bb.0: liveins: $x10 %cond:gpr = COPY $x10 %1:vr = PseudoVMV_V_I_MF2 undef $noreg, 1, 2, 5, 0 BEQ %cond, $x0, %bb.2 bb.1: %2:vr = PseudoVMV_V_I_M1 undef $noreg, 1, 2, 6, 0 bb.2: ; the exit info here should have sew/lmul ratio only BEQ %cond, $x0, %bb.4 bb.3: PseudoCALL $noreg, csr_ilp32_lp64 bb.4: ; this block will have PRE attempted on it %4:gpr = PseudoVMV_X_S undef $noreg, 5 %5:vr = PseudoVMV_V_I_MF2 undef $noreg, 1, 2, 5, 0 PseudoRET ... --- name: postpass_modify_vl tracksRegLiveness: true body: | bb.0: liveins: $x1 ; CHECK-LABEL: name: postpass_modify_vl ; CHECK: liveins: $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 3, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead [[COPY:%[0-9]+]]:gpr = COPY $vtype ; CHECK-NEXT: $vl = COPY $x1 ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 3, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead [[PseudoVADD_VV_M1_:%[0-9]+]]:vr = PseudoVADD_VV_M1 undef $noreg, undef $noreg, undef $noreg, 3 /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: PseudoRET dead $x0 = PseudoVSETIVLI 3, 216, implicit-def $vl, implicit-def $vtype %1:gpr = COPY $vtype $vl = COPY $x1 dead $x0 = PseudoVSETIVLI 3, 216, implicit-def $vl, implicit-def $vtype %4:vr = PseudoVADD_VV_M1 undef $noreg, undef $noreg, undef $noreg, 3, 6, 0 PseudoRET ... --- name: coalesce_dead_avl_addi tracksRegLiveness: true body: | bb.0: ; CHECK-LABEL: name: coalesce_dead_avl_addi ; CHECK: $x0 = PseudoVSETIVLI 3, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead %x:gpr = PseudoVMV_X_S $noreg, 6 /* e64 */, implicit $vtype ; CHECK-NEXT: $v0 = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 3 /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: PseudoRET %avl:gprnox0 = ADDI $x0, 42 dead $x0 = PseudoVSETVLI killed %avl, 216, implicit-def $vl, implicit-def $vtype %x:gpr = PseudoVMV_X_S $noreg, 6 dead $x0 = PseudoVSETIVLI 3, 216, implicit-def $vl, implicit-def $vtype $v0 = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 3, 6, 0 PseudoRET ... --- name: coalesce_dead_avl_nonvolatile_load tracksRegLiveness: true body: | bb.0: liveins: $x1 ; CHECK-LABEL: name: coalesce_dead_avl_nonvolatile_load ; CHECK: liveins: $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %ptr:gpr = COPY $x1 ; CHECK-NEXT: dead %avl:gprnox0 = LW %ptr, 0 :: (dereferenceable load (s32)) ; CHECK-NEXT: $x0 = PseudoVSETIVLI 3, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead %x:gpr = PseudoVMV_X_S $noreg, 6 /* e64 */, implicit $vtype ; CHECK-NEXT: $v0 = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 3 /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: PseudoRET %ptr:gpr = COPY $x1 %avl:gprnox0 = LW killed %ptr, 0 :: (dereferenceable load (s32)) dead $x0 = PseudoVSETVLI killed %avl, 216, implicit-def $vl, implicit-def $vtype %x:gpr = PseudoVMV_X_S $noreg, 6 dead $x0 = PseudoVSETIVLI 3, 216, implicit-def $vl, implicit-def $vtype $v0 = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 3, 6, 0 PseudoRET ... --- name: coalesce_dead_avl_volatile_load tracksRegLiveness: true body: | bb.0: liveins: $x1 ; CHECK-LABEL: name: coalesce_dead_avl_volatile_load ; CHECK: liveins: $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %ptr:gpr = COPY $x1 ; CHECK-NEXT: dead %avl:gprnox0 = LW %ptr, 0 :: (volatile dereferenceable load (s32)) ; CHECK-NEXT: $x0 = PseudoVSETIVLI 3, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead %x:gpr = PseudoVMV_X_S $noreg, 6 /* e64 */, implicit $vtype ; CHECK-NEXT: $v0 = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 3 /* vl */, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype ; CHECK-NEXT: PseudoRET %ptr:gpr = COPY $x1 %avl:gprnox0 = LW killed %ptr, 0 :: (volatile dereferenceable load (s32)) dead $x0 = PseudoVSETVLI killed %avl, 216, implicit-def $vl, implicit-def $vtype %x:gpr = PseudoVMV_X_S $noreg, 6 dead $x0 = PseudoVSETIVLI 3, 216, implicit-def $vl, implicit-def $vtype $v0 = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 3, 6, 0 PseudoRET ... --- name: coalesce_shrink_removed_vsetvlis_uses tracksRegLiveness: true body: | bb.0: liveins: $x10, $v8 ; CHECK-LABEL: name: coalesce_shrink_removed_vsetvlis_uses ; CHECK: liveins: $x10, $v8 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %avl2:gprnox0 = ADDI $x0, 2 ; CHECK-NEXT: dead $x0 = PseudoVSETVLI %avl2, 209 /* e32, m2, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: %x:gpr = COPY $x10 ; CHECK-NEXT: renamable $v8 = PseudoVMV_S_X undef renamable $v8, %x, 1 /* vl */, 5 /* e32 */, implicit $vl, implicit $vtype ; CHECK-NEXT: PseudoRET implicit $v8 %avl1:gprnox0 = ADDI $x0, 1 dead $x0 = PseudoVSETVLI %avl1:gprnox0, 209, implicit-def dead $vl, implicit-def dead $vtype %avl2:gprnox0 = ADDI $x0, 2 dead $x0 = PseudoVSETVLI %avl2:gprnox0, 209, implicit-def dead $vl, implicit-def dead $vtype %x:gpr = COPY $x10 renamable $v8 = PseudoVMV_S_X undef renamable $v8, killed renamable %x, 1, 5 PseudoRET implicit $v8 ... --- name: coalesce_vl_avl_same_reg tracksRegLiveness: true body: | bb.0: liveins: $x8, $v8 ; CHECK-LABEL: name: coalesce_vl_avl_same_reg ; CHECK: liveins: $x8, $v8 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %x:gprnox0 = COPY $x8 ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 1, 208 /* e32, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead %v:vr = COPY $v8, implicit $vtype ; CHECK-NEXT: dead %x:gprnox0 = PseudoVSETVLI %x, 208 /* e32, m1, ta, ma */, implicit-def $vl, implicit-def $vtype %x:gprnox0 = COPY $x8 dead $x0 = PseudoVSETIVLI 1, 208, implicit-def $vl, implicit-def $vtype %v:vr = COPY $v8, implicit $vtype %x = PseudoVSETVLI %x, 208, implicit-def $vl, implicit-def $vtype ... --- # Because of the %y:gprnox0 = COPY %x, we can't extend the live range of %x from # the second vsetvli to the first vsetvli when coalescing. name: coalesce_vl_clobber tracksRegLiveness: true body: | bb.0: liveins: $x8, $v8 ; CHECK-LABEL: name: coalesce_vl_clobber ; CHECK: liveins: $x8, $v8 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %x:gprnox0 = COPY $x8 ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 1, 208 /* e32, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: dead %y:gprnox0 = COPY %x ; CHECK-NEXT: dead %v:vr = COPY $v8, implicit $vtype ; CHECK-NEXT: dead %x:gprnox0 = PseudoVSETVLI %x, 208 /* e32, m1, ta, ma */, implicit-def $vl, implicit-def $vtype %x:gprnox0 = COPY $x8 dead $x0 = PseudoVSETIVLI 1, 208, implicit-def $vl, implicit-def $vtype %y:gprnox0 = COPY %x %v:vr = COPY $v8, implicit $vtype %x = PseudoVSETVLI %x, 208, implicit-def $vl, implicit-def $vtype ... --- name: vsetvli_vleff tracksRegLiveness: true body: | ; CHECK-LABEL: name: vsetvli_vleff ; CHECK: bb.0: ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %vl:gpr = COPY $x0 ; CHECK-NEXT: BNE $x0, $x0, %bb.2 ; CHECK-NEXT: PseudoBR %bb.1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1: ; CHECK-NEXT: successors: %bb.2(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 0, 200 /* e16, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: $noreg, $x0 = PseudoVLE16FF_V_M1 $noreg, $noreg, 0 /* vl */, 4 /* e16 */, 2 /* tu, ma */, implicit $vl, implicit $vtype, implicit-def $vl ; CHECK-NEXT: %vl:gpr = PseudoReadVL implicit $vl ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: $x10 = COPY %vl ; CHECK-NEXT: PseudoRET implicit killed $x10 bb.0: successors: %bb.1(0x40000000), %bb.2(0x40000000) %vl:gpr = COPY $x0 BNE $x0, $x0, %bb.2 PseudoBR %bb.1 bb.1: successors: %bb.2(0x80000000) $noreg, %vl:gpr = PseudoVLE16FF_V_M1 $noreg, $noreg, 0, 4 /* e16 */, 2 /* tu, ma */ bb.2: $x10 = COPY %vl PseudoRET implicit killed $x10 ... --- # The two vsetvlis will be coalesced so the ADDI will be made dead and removed. # Make sure we shrink the live interval of %0. name: non_li_addi tracksRegLiveness: true body: | bb.0: liveins: $x10 ; CHECK-LABEL: name: non_li_addi ; CHECK: liveins: $x10 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: dead [[COPY:%[0-9]+]]:gpr = COPY $x10 ; CHECK-NEXT: dead [[PseudoVSETIVLI:%[0-9]+]]:gprnox0 = PseudoVSETIVLI 1, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype ; CHECK-NEXT: PseudoRET %0:gpr = COPY $x10 %1:gprnox0 = ADDI %0, 1 %2:gprnox0 = PseudoVSETVLI %1, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype %3:gprnox0 = PseudoVSETIVLI 1, 216 /* e64, m1, ta, ma */, implicit-def $vl, implicit-def $vtype PseudoRET