diff --git a/llvm/lib/Target/RISCV/GISel/RISCVCallLowering.cpp b/llvm/lib/Target/RISCV/GISel/RISCVCallLowering.cpp --- a/llvm/lib/Target/RISCV/GISel/RISCVCallLowering.cpp +++ b/llvm/lib/Target/RISCV/GISel/RISCVCallLowering.cpp @@ -133,6 +133,21 @@ } }; +struct RISCVCallReturnHandler : public RISCVIncomingValueHandler { + RISCVCallReturnHandler(MachineIRBuilder &B, MachineRegisterInfo &MRI, + MachineInstrBuilder &MIB) + : RISCVIncomingValueHandler(B, MRI), MIB(MIB) {} + + MachineInstrBuilder MIB; + + void assignValueToReg(Register ValVReg, Register PhysReg, + CCValAssign VA) override { + // Copy argument received in physical register to desired VReg. + MIB.addDef(PhysReg, RegState::Implicit); + MIRBuilder.buildCopy(ValVReg, PhysReg); + } +}; + } // namespace RISCVCallLowering::RISCVCallLowering(const RISCVTargetLowering &TLI) @@ -233,5 +248,83 @@ bool RISCVCallLowering::lowerCall(MachineIRBuilder &MIRBuilder, CallLoweringInfo &Info) const { - return false; + MachineFunction &MF = MIRBuilder.getMF(); + const DataLayout &DL = MF.getDataLayout(); + const Function &F = MF.getFunction(); + CallingConv::ID CC = F.getCallingConv(); + + // TODO: Support vararg functions. + if (Info.IsVarArg) + return false; + + // TODO: Support all argument types. + for (auto &AInfo : Info.OrigArgs) { + if (AInfo.Ty->isIntegerTy()) + continue; + if (AInfo.Ty->isPointerTy()) + continue; + if (AInfo.Ty->isFloatingPointTy()) + continue; + return false; + } + + SmallVector SplitArgInfos; + SmallVector Outs; + unsigned Index = 0; + for (auto &AInfo : Info.OrigArgs) { + // Handle any required unmerging of split value types from a given VReg into + // physical registers. ArgInfo objects are constructed correspondingly and + // appended to SplitArgInfos. + splitToValueTypes(AInfo, SplitArgInfos, DL, CC); + + ++Index; + } + + if (!Info.Callee.isReg()) + Info.Callee.setTargetFlags(RISCVII::MO_CALL); + + MachineInstrBuilder Call = + MIRBuilder + .buildInstrNoInsert(Info.Callee.isReg() ? RISCV::PseudoCALLIndirect + : RISCV::PseudoCALL) + .add(Info.Callee); + + RISCVOutgoingValueAssigner ArgAssigner( + CC == CallingConv::Fast ? RISCV::CC_RISCV_FastCC : RISCV::CC_RISCV, + /*IsRet=*/false); + RISCVOutgoingValueHandler ArgHandler(MIRBuilder, MF.getRegInfo(), Call); + if (!determineAndHandleAssignments(ArgHandler, ArgAssigner, SplitArgInfos, + MIRBuilder, CC, Info.IsVarArg)) + return false; + + MIRBuilder.insertInstr(Call); + + if (Info.OrigRet.Ty->isVoidTy()) + return true; + + // TODO: Only integer, pointer and aggregate types are supported now. + if (!Info.OrigRet.Ty->isIntOrPtrTy() && !Info.OrigRet.Ty->isAggregateType()) + return false; + + SmallVector SplitRetInfos; + splitToValueTypes(Info.OrigRet, SplitRetInfos, DL, CC); + + // Assignments should be handled *before* the merging of values takes place. + // To ensure this, the insert point is temporarily adjusted to just after the + // call instruction. + MachineBasicBlock::iterator CallInsertPt = Call; + MIRBuilder.setInsertPt(MIRBuilder.getMBB(), std::next(CallInsertPt)); + + RISCVIncomingValueAssigner RetAssigner( + CC == CallingConv::Fast ? RISCV::CC_RISCV_FastCC : RISCV::CC_RISCV, + /*IsRet=*/true); + RISCVCallReturnHandler RetHandler(MIRBuilder, MF.getRegInfo(), Call); + if (!determineAndHandleAssignments(RetHandler, RetAssigner, SplitRetInfos, + MIRBuilder, CC, Info.IsVarArg)) + return false; + + // Readjust insert point to end of basic block. + MIRBuilder.setMBB(MIRBuilder.getMBB()); + + return true; } diff --git a/llvm/test/CodeGen/RISCV/GlobalISel/irtranslator/calls.ll b/llvm/test/CodeGen/RISCV/GlobalISel/irtranslator/calls.ll new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/RISCV/GlobalISel/irtranslator/calls.ll @@ -0,0 +1,331 @@ +; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py +; RUN: llc -mtriple=riscv32 -global-isel -stop-after=irtranslator -verify-machineinstrs < %s \ +; RUN: | FileCheck -check-prefix=RV32I %s +; RUN: llc -mtriple=riscv64 -global-isel -stop-after=irtranslator -verify-machineinstrs < %s \ +; RUN: | FileCheck -check-prefix=RV64I %s + +declare void @void_noargs() + +define void @test_call_void_noargs() { + + ; RV32I-LABEL: name: test_call_void_noargs + ; RV32I: bb.1.entry: + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @void_noargs, implicit-def $x1 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_void_noargs + ; RV64I: bb.1.entry: + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @void_noargs, implicit-def $x1 + ; RV64I-NEXT: PseudoRET +entry: + call void @void_noargs() + ret void +} + +declare void @void_args_i8(i8, i8) + +define void @test_call_void_args_i8() { + + ; RV32I-LABEL: name: test_call_void_args_i8 + ; RV32I: bb.1.entry: + ; RV32I-NEXT: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 0 + ; RV32I-NEXT: [[C1:%[0-9]+]]:_(s8) = G_CONSTANT i8 1 + ; RV32I-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[C]](s8) + ; RV32I-NEXT: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[C1]](s8) + ; RV32I-NEXT: $x10 = COPY [[ANYEXT]](s32) + ; RV32I-NEXT: $x11 = COPY [[ANYEXT1]](s32) + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @void_args_i8, implicit-def $x1, implicit $x10, implicit $x11 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_void_args_i8 + ; RV64I: bb.1.entry: + ; RV64I-NEXT: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 0 + ; RV64I-NEXT: [[C1:%[0-9]+]]:_(s8) = G_CONSTANT i8 1 + ; RV64I-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[C]](s8) + ; RV64I-NEXT: [[ANYEXT1:%[0-9]+]]:_(s64) = G_ANYEXT [[C1]](s8) + ; RV64I-NEXT: $x10 = COPY [[ANYEXT]](s64) + ; RV64I-NEXT: $x11 = COPY [[ANYEXT1]](s64) + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @void_args_i8, implicit-def $x1, implicit $x10, implicit $x11 + ; RV64I-NEXT: PseudoRET +entry: + call void @void_args_i8(i8 0, i8 1) + ret void +} + +declare void @void_args_i8_zext(i8 zeroext, i8 zeroext) + +define void @test_call_void_args_i8_zext() { + + ; RV32I-LABEL: name: test_call_void_args_i8_zext + ; RV32I: bb.1.entry: + ; RV32I-NEXT: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 0 + ; RV32I-NEXT: [[C1:%[0-9]+]]:_(s8) = G_CONSTANT i8 1 + ; RV32I-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[C]](s8) + ; RV32I-NEXT: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[C1]](s8) + ; RV32I-NEXT: $x10 = COPY [[ZEXT]](s32) + ; RV32I-NEXT: $x11 = COPY [[ZEXT1]](s32) + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @void_args_i8_zext, implicit-def $x1, implicit $x10, implicit $x11 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_void_args_i8_zext + ; RV64I: bb.1.entry: + ; RV64I-NEXT: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 0 + ; RV64I-NEXT: [[C1:%[0-9]+]]:_(s8) = G_CONSTANT i8 1 + ; RV64I-NEXT: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[C]](s8) + ; RV64I-NEXT: [[ZEXT1:%[0-9]+]]:_(s64) = G_ZEXT [[C1]](s8) + ; RV64I-NEXT: $x10 = COPY [[ZEXT]](s64) + ; RV64I-NEXT: $x11 = COPY [[ZEXT1]](s64) + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @void_args_i8_zext, implicit-def $x1, implicit $x10, implicit $x11 + ; RV64I-NEXT: PseudoRET +entry: + call void @void_args_i8_zext(i8 zeroext 0, i8 zeroext 1) + ret void +} + +declare void @void_args_i16_sext(i16 signext, i16 signext) + +define void @test_call_void_args_i16_sext() { + + ; RV32I-LABEL: name: test_call_void_args_i16_sext + ; RV32I: bb.1.entry: + ; RV32I-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 0 + ; RV32I-NEXT: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 1 + ; RV32I-NEXT: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[C]](s16) + ; RV32I-NEXT: [[SEXT1:%[0-9]+]]:_(s32) = G_SEXT [[C1]](s16) + ; RV32I-NEXT: $x10 = COPY [[SEXT]](s32) + ; RV32I-NEXT: $x11 = COPY [[SEXT1]](s32) + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @void_args_i16_sext, implicit-def $x1, implicit $x10, implicit $x11 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_void_args_i16_sext + ; RV64I: bb.1.entry: + ; RV64I-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 0 + ; RV64I-NEXT: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 1 + ; RV64I-NEXT: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[C]](s16) + ; RV64I-NEXT: [[SEXT1:%[0-9]+]]:_(s64) = G_SEXT [[C1]](s16) + ; RV64I-NEXT: $x10 = COPY [[SEXT]](s64) + ; RV64I-NEXT: $x11 = COPY [[SEXT1]](s64) + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @void_args_i16_sext, implicit-def $x1, implicit $x10, implicit $x11 + ; RV64I-NEXT: PseudoRET +entry: + call void @void_args_i16_sext(i16 signext 0, i16 signext 1) + ret void +} + +declare void @void_args_i32(i32, i32) + +define void @test_call_void_args_i32() { + + ; RV32I-LABEL: name: test_call_void_args_i32 + ; RV32I: bb.1.entry: + ; RV32I-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 + ; RV32I-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1 + ; RV32I-NEXT: $x10 = COPY [[C]](s32) + ; RV32I-NEXT: $x11 = COPY [[C1]](s32) + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @void_args_i32, implicit-def $x1, implicit $x10, implicit $x11 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_void_args_i32 + ; RV64I: bb.1.entry: + ; RV64I-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 + ; RV64I-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1 + ; RV64I-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[C]](s32) + ; RV64I-NEXT: [[ANYEXT1:%[0-9]+]]:_(s64) = G_ANYEXT [[C1]](s32) + ; RV64I-NEXT: $x10 = COPY [[ANYEXT]](s64) + ; RV64I-NEXT: $x11 = COPY [[ANYEXT1]](s64) + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @void_args_i32, implicit-def $x1, implicit $x10, implicit $x11 + ; RV64I-NEXT: PseudoRET +entry: + call void @void_args_i32(i32 0, i32 1) + ret void +} + +declare void @void_args_i64(i64, i64) + +define void @test_call_void_args_i64() { + + ; RV32I-LABEL: name: test_call_void_args_i64 + ; RV32I: bb.1.entry: + ; RV32I-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 + ; RV32I-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 + ; RV32I-NEXT: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[C]](s64) + ; RV32I-NEXT: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[C1]](s64) + ; RV32I-NEXT: $x10 = COPY [[UV]](s32) + ; RV32I-NEXT: $x11 = COPY [[UV1]](s32) + ; RV32I-NEXT: $x12 = COPY [[UV2]](s32) + ; RV32I-NEXT: $x13 = COPY [[UV3]](s32) + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @void_args_i64, implicit-def $x1, implicit $x10, implicit $x11, implicit $x12, implicit $x13 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_void_args_i64 + ; RV64I: bb.1.entry: + ; RV64I-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 + ; RV64I-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 + ; RV64I-NEXT: $x10 = COPY [[C]](s64) + ; RV64I-NEXT: $x11 = COPY [[C1]](s64) + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @void_args_i64, implicit-def $x1, implicit $x10, implicit $x11 + ; RV64I-NEXT: PseudoRET +entry: + call void @void_args_i64(i64 0, i64 1) + ret void +} + +declare i8 @i8_noargs() + +define void @test_call_i8_noargs() { + + ; RV32I-LABEL: name: test_call_i8_noargs + ; RV32I: bb.1.entry: + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @i8_noargs, implicit-def $x1, implicit-def $x10 + ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10 + ; RV32I-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32) + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_i8_noargs + ; RV64I: bb.1.entry: + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @i8_noargs, implicit-def $x1, implicit-def $x10 + ; RV64I-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10 + ; RV64I-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s64) + ; RV64I-NEXT: PseudoRET +entry: + %a = call i8 @i8_noargs() + ret void +} + +declare i16 @i16_noargs() + +define void @test_call_i16_noargs() { + + ; RV32I-LABEL: name: test_call_i16_noargs + ; RV32I: bb.1.entry: + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @i16_noargs, implicit-def $x1, implicit-def $x10 + ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10 + ; RV32I-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32) + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_i16_noargs + ; RV64I: bb.1.entry: + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @i16_noargs, implicit-def $x1, implicit-def $x10 + ; RV64I-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10 + ; RV64I-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s64) + ; RV64I-NEXT: PseudoRET +entry: + %a = call i16 @i16_noargs() + ret void +} + +declare i32 @i32_noargs() + +define void @test_call_i32_noargs() { + + ; RV32I-LABEL: name: test_call_i32_noargs + ; RV32I: bb.1.entry: + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @i32_noargs, implicit-def $x1, implicit-def $x10 + ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_i32_noargs + ; RV64I: bb.1.entry: + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @i32_noargs, implicit-def $x1, implicit-def $x10 + ; RV64I-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10 + ; RV64I-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64) + ; RV64I-NEXT: PseudoRET +entry: + %a = call i32 @i32_noargs() + ret void +} + +declare i64 @i64_noargs() + +define void @test_call_i64_noargs() { + + ; RV32I-LABEL: name: test_call_i64_noargs + ; RV32I: bb.1.entry: + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @i64_noargs, implicit-def $x1, implicit-def $x10, implicit-def $x11 + ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10 + ; RV32I-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11 + ; RV32I-NEXT: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32) + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_i64_noargs + ; RV64I: bb.1.entry: + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @i64_noargs, implicit-def $x1, implicit-def $x10 + ; RV64I-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10 + ; RV64I-NEXT: PseudoRET +entry: + %a = call i64 @i64_noargs() + ret void +} + +declare ptr @ptr_noargs() + +define void @test_call_ptr_noargs() { + ; RV32I-LABEL: name: test_call_ptr_noargs + ; RV32I: bb.1.entry: + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @ptr_noargs, implicit-def $x1, implicit-def $x10 + ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x10 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_ptr_noargs + ; RV64I: bb.1.entry: + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @ptr_noargs, implicit-def $x1, implicit-def $x10 + ; RV64I-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x10 + ; RV64I-NEXT: PseudoRET +entry: + %a = call ptr @ptr_noargs() + ret void +} + +declare [2 x i32] @i32x2_noargs() + +define void @test_call_i32x2_noargs() { + ; RV32I-LABEL: name: test_call_i32x2_noargs + ; RV32I: bb.1.entry: + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @i32x2_noargs, implicit-def $x1, implicit-def $x10, implicit-def $x11 + ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10 + ; RV32I-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_call_i32x2_noargs + ; RV64I: bb.1.entry: + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @i32x2_noargs, implicit-def $x1, implicit-def $x10, implicit-def $x11 + ; RV64I-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10 + ; RV64I-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64) + ; RV64I-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11 + ; RV64I-NEXT: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64) + ; RV64I-NEXT: PseudoRET +entry: + %a = call [2 x i32] @i32x2_noargs() + ret void +} + +%struct.Foo = type { i32, i32, i32, i16, i8 } +@foo = global %struct.Foo { i32 1, i32 2, i32 3, i16 4, i8 5 }, align 4 + +declare void @void_byval_args(ptr byval(%struct.Foo) %f) + +define void @test_void_byval_args() { + ; RV32I-LABEL: name: test_void_byval_args + ; RV32I: bb.1.entry: + ; RV32I-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @foo + ; RV32I-NEXT: $x10 = COPY [[GV]](p0) + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @void_byval_args, implicit-def $x1, implicit $x10 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_void_byval_args + ; RV64I: bb.1.entry: + ; RV64I-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @foo + ; RV64I-NEXT: $x10 = COPY [[GV]](p0) + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @void_byval_args, implicit-def $x1, implicit $x10 + ; RV64I-NEXT: PseudoRET +entry: + call void @void_byval_args(ptr byval(%struct.Foo) @foo) + ret void +} + +declare void @void_sret_args(ptr sret(%struct.Foo) %f) + +define void @test_void_sret_args() { + ; RV32I-LABEL: name: test_void_sret_args + ; RV32I: bb.1.entry: + ; RV32I-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @foo + ; RV32I-NEXT: $x10 = COPY [[GV]](p0) + ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @void_sret_args, implicit-def $x1, implicit $x10 + ; RV32I-NEXT: PseudoRET + ; RV64I-LABEL: name: test_void_sret_args + ; RV64I: bb.1.entry: + ; RV64I-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @foo + ; RV64I-NEXT: $x10 = COPY [[GV]](p0) + ; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @void_sret_args, implicit-def $x1, implicit $x10 + ; RV64I-NEXT: PseudoRET +entry: + call void @void_sret_args(ptr sret(%struct.Foo) @foo) + ret void +}