diff --git a/llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp b/llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp
--- a/llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp
+++ b/llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp
@@ -23,8 +23,10 @@
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/StackMaps.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCInstBuilder.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/TargetRegistry.h"
@@ -39,17 +41,27 @@
 namespace {
 class RISCVAsmPrinter : public AsmPrinter {
   const MCSubtargetInfo *MCSTI;
+  StackMaps SM;
   const RISCVSubtarget *STI;
 
 public:
   explicit RISCVAsmPrinter(TargetMachine &TM,
                            std::unique_ptr<MCStreamer> Streamer)
-      : AsmPrinter(TM, std::move(Streamer)), MCSTI(TM.getMCSubtargetInfo()) {}
+      : AsmPrinter(TM, std::move(Streamer)), MCSTI(TM.getMCSubtargetInfo()), SM(*this) {}
 
   StringRef getPassName() const override { return "RISCV Assembly Printer"; }
 
   bool runOnMachineFunction(MachineFunction &MF) override;
 
+  void LowerSTACKMAP(MCStreamer &OutStreamer, StackMaps &SM,
+                                      const MachineInstr &MI);
+
+  void LowerPATCHPOINT(MCStreamer &OutStreamer, StackMaps &SM,
+                       const MachineInstr &MI);
+
+  void LowerSTATEPOINT(MCStreamer &OutStreamer, StackMaps &SM,
+                       const MachineInstr &MI);
+
   void emitInstruction(const MachineInstr *MI) override;
 
   bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
@@ -73,9 +85,158 @@
 
 private:
   void emitAttributes();
+  void emitCallProlog(MCStreamer &OutStreamer);
+  void emitCallEpilog(MCStreamer &OutStreamer);
 };
 }
 
+void RISCVAsmPrinter::emitCallProlog(MCStreamer &OutStreamer) {
+  EmitToStreamer(OutStreamer,
+                 MCInstBuilder(RISCV::ADDI).addReg(RISCV::X2).addReg(RISCV::X2).addImm(-8));
+  EmitToStreamer(OutStreamer,
+                 MCInstBuilder(RISCV::SD).addReg(RISCV::X1).addReg(RISCV::X2).addImm(0));
+}
+
+void RISCVAsmPrinter::emitCallEpilog(MCStreamer &OutStreamer) {
+  EmitToStreamer(OutStreamer,
+                 MCInstBuilder(RISCV::LD).addReg(RISCV::X1).addReg(RISCV::X2).addImm(0));
+  EmitToStreamer(OutStreamer,
+                 MCInstBuilder(RISCV::ADDI).addReg(RISCV::X2).addReg(RISCV::X2).addImm(8));
+}
+
+void RISCVAsmPrinter::LowerSTACKMAP(MCStreamer &OutStreamer, StackMaps &SM,
+                                      const MachineInstr &MI) {
+  unsigned NumNOPBytes = StackMapOpers(&MI).getNumPatchBytes();
+
+  auto &Ctx = OutStreamer.getContext();
+  MCSymbol *MILabel = Ctx.createTempSymbol();
+  OutStreamer.emitLabel(MILabel);
+
+  SM.recordStackMap(*MILabel, MI);
+  assert(NumNOPBytes % 4 == 0 && "Invalid number of NOP bytes requested!");
+
+  // Scan ahead to trim the shadow.
+  const MachineBasicBlock &MBB = *MI.getParent();
+  MachineBasicBlock::const_iterator MII(MI);
+  ++MII;
+  while (NumNOPBytes > 0) {
+    if (MII == MBB.end() || MII->isCall() ||
+        MII->getOpcode() == RISCV::DBG_VALUE ||
+        MII->getOpcode() == TargetOpcode::PATCHPOINT ||
+        MII->getOpcode() == TargetOpcode::STACKMAP)
+      break;
+    ++MII;
+    NumNOPBytes -= 4;
+  }
+
+  // Emit nops.
+  for (unsigned i = 0; i < NumNOPBytes; i += 4)
+    EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::ADDI).addReg(RISCV::X0).addReg(RISCV::X0).addImm(0));
+}
+
+// Lower a patchpoint of the form:
+// [<def>], <id>, <numBytes>, <target>, <numArgs>
+void RISCVAsmPrinter::LowerPATCHPOINT(MCStreamer &OutStreamer, StackMaps &SM,
+                                        const MachineInstr &MI) {
+  auto &Ctx = OutStreamer.getContext();
+  MCSymbol *MILabel = Ctx.createTempSymbol();
+  OutStreamer.emitLabel(MILabel);
+  SM.recordPatchPoint(*MILabel, MI);
+
+  PatchPointOpers Opers(&MI);
+
+  int64_t CallTarget = Opers.getCallTarget().getImm();
+  unsigned EncodedBytes = 0;
+  if (CallTarget) {
+    assert((CallTarget & 0xFFFFFFFFFFFF) == CallTarget &&
+           "High 16 bits of call target should be zero.");
+    EncodedBytes = 16;
+    // Materialize the jump address:
+
+    emitCallProlog(OutStreamer);
+    EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::ORI)
+                                    .addReg(RISCV::X1)
+                                    .addReg(RISCV::X0)
+                                    .addImm((CallTarget >> 36) & 0xFFF));
+    EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::SLLI)
+                                    .addReg(RISCV::X1)
+                                    .addReg(RISCV::X1)
+                                    .addImm(12));
+    EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::ORI)
+                                    .addReg(RISCV::X1)
+                                    .addReg(RISCV::X1)
+                                    .addImm((CallTarget >> 24) & 0xFFF));
+    EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::SLLI)
+                                    .addReg(RISCV::X1)
+                                    .addReg(RISCV::X1)
+                                    .addImm(12));
+    EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::ORI)
+                                    .addReg(RISCV::X1)
+                                    .addReg(RISCV::X1)
+                                    .addImm((CallTarget >> 12) & 0xFFF));
+    EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::SLLI)
+                                    .addReg(RISCV::X1)
+                                    .addReg(RISCV::X1)
+                                    .addImm(12));
+    EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::ORI)
+                                    .addReg(RISCV::X1)
+                                    .addReg(RISCV::X1)
+                                    .addImm(CallTarget & 0xFFF));
+    EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::JALR).addReg(RISCV::X1).addReg(RISCV::X1).addImm(0));
+    emitCallEpilog(OutStreamer);
+  }
+  // Emit padding.
+  unsigned NumBytes = Opers.getNumPatchBytes();
+  assert(NumBytes >= EncodedBytes &&
+         "Patchpoint can't request size less than the length of a call.");
+  assert((NumBytes - EncodedBytes) % 4 == 0 &&
+         "Invalid number of NOP bytes requested!");
+  for (unsigned i = EncodedBytes; i < NumBytes; i += 4)
+    EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::ADDI).addReg(RISCV::X0).addReg(RISCV::X0).addImm(0));
+}
+
+void RISCVAsmPrinter::LowerSTATEPOINT(MCStreamer &OutStreamer, StackMaps &SM,
+                                        const MachineInstr &MI) {
+  StatepointOpers SOpers(&MI);
+  if (unsigned PatchBytes = SOpers.getNumPatchBytes()) {
+    assert(PatchBytes % 4 == 0 && "Invalid number of NOP bytes requested!");
+    for (unsigned i = 0; i < PatchBytes; i += 4)
+      EmitToStreamer(OutStreamer, MCInstBuilder(RISCV::ADDI).addReg(RISCV::X0).addReg(RISCV::X0).addImm(0));
+  } else {
+    // Lower call target and choose correct opcode
+    const MachineOperand &CallTarget = SOpers.getCallTarget();
+    MCOperand CallTargetMCOp;
+    emitCallProlog(OutStreamer);
+    switch (CallTarget.getType()) {
+    case MachineOperand::MO_GlobalAddress:
+    case MachineOperand::MO_ExternalSymbol:
+      llvm::LowerRISCVMachineOperandToMCOperand(CallTarget, CallTargetMCOp, *this);
+      EmitToStreamer(OutStreamer,
+                     MCInstBuilder(RISCV::PseudoCALL).addOperand(CallTargetMCOp));
+      break;
+    case MachineOperand::MO_Immediate:
+      CallTargetMCOp = MCOperand::createImm(CallTarget.getImm());
+      EmitToStreamer(OutStreamer,
+                     MCInstBuilder(RISCV::JAL).addReg(RISCV::X1).addOperand(CallTargetMCOp));
+      break;
+    case MachineOperand::MO_Register:
+      CallTargetMCOp = MCOperand::createReg(CallTarget.getReg());
+      EmitToStreamer(OutStreamer,
+                     MCInstBuilder(RISCV::JALR).addReg(RISCV::X1).addOperand(CallTargetMCOp).addImm(0));
+      break;
+    default:
+      llvm_unreachable("Unsupported operand type in statepoint call target");
+      break;
+    }
+    emitCallEpilog(OutStreamer);
+  }
+
+  auto &Ctx = OutStreamer.getContext();
+  MCSymbol *MILabel = Ctx.createTempSymbol();
+  OutStreamer.emitLabel(MILabel);
+  SM.recordStatepoint(*MILabel, MI);
+}
+
 #define GEN_COMPRESS_INSTR
 #include "RISCVGenCompressInstEmitter.inc"
 void RISCVAsmPrinter::EmitToStreamer(MCStreamer &S, const MCInst &Inst) {
@@ -96,8 +257,20 @@
     return;
 
   MCInst TmpInst;
-  if (!lowerRISCVMachineInstrToMCInst(MI, TmpInst, *this))
-    EmitToStreamer(*OutStreamer, TmpInst);
+  switch (MI->getOpcode()) {
+    default:
+      if (!lowerRISCVMachineInstrToMCInst(MI, TmpInst, *this))
+        EmitToStreamer(*OutStreamer, TmpInst);
+      return;
+    case TargetOpcode::STACKMAP:
+      return LowerSTACKMAP(*OutStreamer, SM, *MI);
+
+    case TargetOpcode::PATCHPOINT:
+      return LowerPATCHPOINT(*OutStreamer, SM, *MI);
+
+    case TargetOpcode::STATEPOINT:
+      return LowerSTATEPOINT(*OutStreamer, SM, *MI);
+  }
 }
 
 bool RISCVAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
@@ -192,6 +365,8 @@
 
   if (TM.getTargetTriple().isOSBinFormatELF())
     RTS.finishAttributeSection();
+
+  emitStackMaps(SM);
 }
 
 void RISCVAsmPrinter::emitAttributes() {
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -9523,6 +9523,10 @@
     return emitQuietFCMP(MI, BB, RISCV::FLE_D, RISCV::FEQ_D, Subtarget);
   case RISCV::PseudoQuietFLT_D:
     return emitQuietFCMP(MI, BB, RISCV::FLT_D, RISCV::FEQ_D, Subtarget);
+  case TargetOpcode::STACKMAP:
+  case TargetOpcode::PATCHPOINT:
+  case TargetOpcode::STATEPOINT:
+    return emitPatchPoint(MI, BB);
   }
 }
 
diff --git a/llvm/test/CodeGen/RISCV/rv64-patchpoint.ll b/llvm/test/CodeGen/RISCV/rv64-patchpoint.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rv64-patchpoint.ll
@@ -0,0 +1,80 @@
+; RUN: llc -mtriple=riscv64 -debug-entry-values -enable-misched=0                             < %s | FileCheck %s
+; RUN: llc -mtriple=riscv64 -debug-entry-values -enable-misched=0 -fast-isel -fast-isel-abort=1 < %s | FileCheck %s
+
+; Trivial patchpoint codegen
+;
+define i64 @trivial_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
+entry:
+
+; CHECK-LABEL: trivial_patchpoint_codegen:
+; CHECK:	     addi	sp, sp, -8
+; CHECK-NEXT:	 sd	ra, 0(sp)
+; CHECK-NEXT:  ori	ra, zero, 3562
+; CHECK-NEXT:  slli	ra, ra, 12
+; CHECK-NEXT:  ori	ra, ra, 3518
+; CHECK-NEXT:  slli	ra, ra, 12
+; CHECK-NEXT:  ori	ra, ra, 3836
+; CHECK-NEXT:	 slli	ra, ra, 12
+; CHECK-NEXT:	 ori	ra, ra, 2814
+; CHECK-NEXT:	 jalr	ra
+; CHECK-NEXT:	 ld	ra, 0(sp)
+; CHECK-NEXT:	 addi	sp, sp, 8
+
+; CHECK:	     addi	sp, sp, -8
+; CHECK-NEXT:	 sd	ra, 0(sp)
+; CHECK-NEXT:  ori	ra, zero, 3562
+; CHECK-NEXT:  slli	ra, ra, 12
+; CHECK-NEXT:	 ori	ra, ra, 3518
+; CHECK-NEXT:	 slli	ra, ra, 12
+; CHECK-NEXT:	 ori	ra, ra, 3836
+; CHECK-NEXT:  slli	ra, ra, 12
+; CHECK-NEXT:	 ori	ra, ra, 2815
+; CHECK-NEXT:	 jalr	ra
+; CHECK-NEXT:	 ld	ra, 0(sp)
+; CHECK-NEXT:	 addi	sp, sp, 8
+; CHECK:       ret
+  %resolveCall2 = inttoptr i64 244837814094590 to i8*
+  %result = tail call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 2, i32 20, i8* %resolveCall2, i32 4, i64 %p1, i64 %p2, i64 %p3, i64 %p4)
+  %resolveCall3 = inttoptr i64 244837814094591 to i8*
+  tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 3, i32 20, i8* %resolveCall3, i32 2, i64 %p1, i64 %result)
+  ret i64 %result
+}
+
+; Test patchpoints reusing the same TargetConstant.
+; There is no way to verify this, since it depends on memory allocation.
+; But I think it's useful to include as a working example.
+define i64 @testLowerConstant(i64 %arg, i64 %tmp2, i64 %tmp10, i64* %tmp33, i64 %tmp79) {
+entry:
+  %tmp80 = add i64 %tmp79, -16
+  %tmp81 = inttoptr i64 %tmp80 to i64*
+  %tmp82 = load i64, i64* %tmp81, align 8
+  tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 14, i32 8, i64 %arg, i64 %tmp2, i64 %tmp10, i64 %tmp82)
+  tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 15, i32 32, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp82)
+  %tmp83 = load i64, i64* %tmp33, align 8
+  %tmp84 = add i64 %tmp83, -24
+  %tmp85 = inttoptr i64 %tmp84 to i64*
+  %tmp86 = load i64, i64* %tmp85, align 8
+  tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 17, i32 8, i64 %arg, i64 %tmp10, i64 %tmp86)
+  tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 18, i32 32, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp86)
+  ret i64 10
+}
+
+; Test small patchpoints that don't emit calls.
+define void @small_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
+entry:
+; CHECK-LABEL: small_patchpoint_codegen:
+; CHECK:      Ltmp
+; CHECK:      nop
+; CHECK-NEXT: nop
+; CHECK-NEXT: nop
+; CHECK-NEXT: nop
+; CHECK-NEXT: nop
+; CHECK-NEXT: ret
+  %result = tail call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 20, i8* null, i32 2, i64 %p1, i64 %p2)
+  ret void
+}
+
+declare void @llvm.experimental.stackmap(i64, i32, ...)
+declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
+declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
+
diff --git a/llvm/test/CodeGen/RISCV/rv64-stackmap-nops.ll b/llvm/test/CodeGen/RISCV/rv64-stackmap-nops.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rv64-stackmap-nops.ll
@@ -0,0 +1,13 @@
+; RUN: llc < %s -mtriple=riscv64 | FileCheck %s
+
+define void @test_shadow_optimization() {
+entry:
+; CHECK-LABEL: test_shadow_optimization:
+; CHECK:      nop
+; CHECK-NEXT: nop
+; CHECK-NEXT: nop
+  tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64  0, i32  16)
+  ret void
+}
+
+declare void @llvm.experimental.stackmap(i64, i32, ...)
diff --git a/llvm/test/CodeGen/RISCV/rv64-stackmap.ll b/llvm/test/CodeGen/RISCV/rv64-stackmap.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rv64-stackmap.ll
@@ -0,0 +1,261 @@
+; RUN: llc -mtriple=riscv64                             < %s | FileCheck %s
+; RUN: llc -mtriple=riscv64 -fast-isel -fast-isel-abort=1 < %s | FileCheck %s
+;
+; Note: Print verbose stackmaps using -debug-only=stackmaps.
+
+; CHECK-LABEL:  .section	.llvm_stackmaps
+; CHECK-NEXT:  __LLVM_StackMaps:
+; Header
+; CHECK-NEXT:   .byte 3
+; CHECK-NEXT:   .byte 0
+; CHECK-NEXT:   .half  0
+; Num Functions
+; CHECK-NEXT:   .word 8
+; Num LargeConstants
+; CHECK-NEXT:   .word 2
+; Num Callsites
+; CHECK-NEXT:   .word 8
+
+; Functions and stack size
+; CHECK-NEXT:   .quad constantargs
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad osrinline
+; CHECK-NEXT:   .quad 32
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad osrcold
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad propertyRead
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad propertyWrite
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad jsVoidCall
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad jsIntCall
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad liveConstant
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+
+; Num LargeConstants
+; CHECK-NEXT:   .quad   4294967295
+; CHECK-NEXT:   .quad   4294967296
+
+; Constant arguments
+;
+; CHECK-NEXT:   .quad   1
+; CHECK-NEXT:   .word   .L{{.*}}-constantargs
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   4
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   65535
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   65536
+; SmallConstant
+; CHECK-NEXT:   .byte   5
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+; LargeConstant at index 0
+; CHECK-NEXT:   .byte   5
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   1
+
+define void @constantargs() {
+entry:
+  %0 = inttoptr i64 244837814094590 to i8*
+  tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 1, i32 20, i8* %0, i32 0, i64 65535, i64 65536, i64 4294967295, i64 4294967296)
+  ret void
+}
+
+; Inline OSR Exit
+;
+; CHECK:        .word   .L{{.*}}-osrinline
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   {{[0-9]+}}
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   {{[0-9]+}}
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+define void @osrinline(i64 %a, i64 %b) {
+entry:
+  ; Runtime void->void call.
+  call void inttoptr (i64 244837814094590 to void ()*)()
+  ; Followed by inline OSR patchpoint with 12-byte shadow and 2 live vars.
+  call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 12, i64 %a, i64 %b)
+  ret void
+}
+
+; Cold OSR Exit
+;
+; 2 live variables in register.
+;
+; CHECK:        .word   .L{{.*}}-osrcold
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   {{[0-9]+}}
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   {{[0-9]+}}
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+define void @osrcold(i64 %a, i64 %b) {
+entry:
+  %test = icmp slt i64 %a, %b
+  br i1 %test, label %ret, label %cold
+cold:
+  ; OSR patchpoint with 12-byte nop-slide and 2 live vars.
+  %thunk = inttoptr i64 244837814094590 to i8*
+  call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4, i32 20, i8* %thunk, i32 0, i64 %a, i64 %b)
+  unreachable
+ret:
+  ret void
+}
+
+; Property Read
+; CHECK:        .word   .L{{.*}}-propertyRead
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   0
+;
+; FIXME: There are currently no stackmap entries. After moving to
+; AnyRegCC, we will have entries for the object and return value.
+define i64 @propertyRead(i64* %obj) {
+entry:
+  %resolveRead = inttoptr i64 244837814094590 to i8*
+  %result = call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 20, i8* %resolveRead, i32 1, i64* %obj)
+  %add = add i64 %result, 3
+  ret i64 %add
+}
+
+; Property Write
+; CHECK:        .word   .L{{.*}}-propertyWrite
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   {{[0-9]+}}
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   {{[0-9]+}}
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+define void @propertyWrite(i64 %dummy1, i64* %obj, i64 %dummy2, i64 %a) {
+entry:
+  %resolveWrite = inttoptr i64 244837814094590 to i8*
+  call anyregcc void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 6, i32 20, i8* %resolveWrite, i32 2, i64* %obj, i64 %a)
+  ret void
+}
+
+; Void JS Call
+;
+; 2 live variables in registers.
+;
+; CHECK:        .word   .L{{.*}}-jsVoidCall
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   {{[0-9]+}}
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   {{[0-9]+}}
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+define void @jsVoidCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) {
+entry:
+  %resolveCall = inttoptr i64 244837814094590 to i8*
+  call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 7, i32 20, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2)
+  ret void
+}
+
+; i64 JS Call
+;
+; 2 live variables in registers.
+;
+; CHECK:        .word   .L{{.*}}-jsIntCall
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   {{[0-9]+}}
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   {{[0-9]+}}
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   0
+define i64 @jsIntCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) {
+entry:
+  %resolveCall = inttoptr i64 244837814094590 to i8*
+  %result = call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 8, i32 20, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2)
+  %add = add i64 %result, 3
+  ret i64 %add
+}
+
+; Map a constant value.
+;
+; CHECK:        .word   .L{{.*}}-liveConstant
+; CHECK-NEXT:   .half   0
+; 1 location
+; CHECK-NEXT:   .half   1
+; Loc 0: SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half   8
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .half   0
+; CHECK-NEXT:   .word   33
+
+define void @liveConstant() {
+  tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 8, i32 33)
+  ret void
+}
+
+declare void @llvm.experimental.stackmap(i64, i32, ...)
+declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
+declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
diff --git a/llvm/test/CodeGen/RISCV/stackmap-frame-setup.ll b/llvm/test/CodeGen/RISCV/stackmap-frame-setup.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/stackmap-frame-setup.ll
@@ -0,0 +1,20 @@
+; RUN: llc -o - -verify-machineinstrs -mtriple=riscv64 -stop-after machine-sink %s | FileCheck %s --check-prefix=ISEL
+; RUN: llc -o - -verify-machineinstrs -mtriple=riscv64 -fast-isel -fast-isel-abort=1 -stop-after machine-sink %s | FileCheck %s --check-prefix=FAST-ISEL
+
+define void @caller_meta_leaf() {
+entry:
+  %metadata = alloca i64, i32 3, align 8
+  store i64 11, i64* %metadata
+  store i64 12, i64* %metadata
+  store i64 13, i64* %metadata
+; ISEL:      ADJCALLSTACKDOWN 0, 0, implicit-def
+; ISEL-NEXT: STACKMAP
+; ISEL-NEXT: ADJCALLSTACKUP 0, 0, implicit-def
+  call void (i64, i32, ...) @llvm.experimental.stackmap(i64 4, i32 0, i64* %metadata)
+; FAST-ISEL:      ADJCALLSTACKDOWN 0, 0, implicit-def
+; FAST-ISEL-NEXT: STACKMAP
+; FAST-ISEL-NEXT: ADJCALLSTACKUP 0, 0, implicit-def
+  ret void
+}
+
+declare void @llvm.experimental.stackmap(i64, i32, ...)
diff --git a/llvm/test/CodeGen/RISCV/stackmap.ll b/llvm/test/CodeGen/RISCV/stackmap.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/stackmap.ll
@@ -0,0 +1,444 @@
+; RUN: llc < %s -mtriple=riscv64 | FileCheck %s
+;
+; Note: Print verbose stackmaps using -debug-only=stackmaps.
+
+; CHECK-LABEL:  .section  .llvm_stackmaps
+; CHECK-NEXT:  __LLVM_StackMaps:
+; Header
+; CHECK-NEXT:   .byte 3
+; CHECK-NEXT:   .byte 0
+; CHECK-NEXT:   .half 0
+; Num Functions
+; CHECK-NEXT:   .word 12
+; Num LargeConstants
+; CHECK-NEXT:   .word 3
+; Num Callsites
+; CHECK-NEXT:   .word 16
+
+; Functions and stack size
+; CHECK-NEXT:   .quad constantargs
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad osrinline
+; CHECK-NEXT:   .quad 32
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad osrcold
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad propertyRead
+; CHECK-NEXT:   .quad 16
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad propertyWrite
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad jsVoidCall
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad jsIntCall
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad spilledValue
+; CHECK-NEXT:   .quad 144
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad liveConstant
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 1
+; CHECK-NEXT:   .quad directFrameIdx
+; CHECK-NEXT:   .quad 48
+; CHECK-NEXT:   .quad 2
+; CHECK-NEXT:   .quad longid
+; CHECK-NEXT:   .quad 0
+; CHECK-NEXT:   .quad 4
+; CHECK-NEXT:   .quad needsStackRealignment
+; CHECK-NEXT:   .quad -1
+; CHECK-NEXT:   .quad 1
+
+; Large Constants
+; CHECK-NEXT:   .quad   2147483648
+; CHECK-NEXT:   .quad   4294967295
+; CHECK-NEXT:   .quad   4294967296
+
+; Callsites
+; Constant arguments
+;
+; CHECK-NEXT:   .quad   1
+; CHECK-NEXT:   .word   .L{{.*}}-constantargs
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  12
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   -1
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   -1
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   65536
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   2000000000
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   2147483647
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   -1
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   -1
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+; LargeConstant at index 0
+; CHECK-NEXT:   .byte   5
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+; LargeConstant at index 1
+; CHECK-NEXT:   .byte   5
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   1
+; LargeConstant at index 2
+; CHECK-NEXT:   .byte   5
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   2
+; SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   -1
+
+define void @constantargs() {
+entry:
+  %0 = inttoptr i64 12345 to i8*
+  tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 1, i32 16, i8* %0, i32 0, i16 65535, i16 -1, i32 65536, i32 2000000000, i32 2147483647, i32 -1, i32 4294967295, i32 4294967296, i64 2147483648, i64 4294967295, i64 4294967296, i64 -1)
+  ret void
+}
+
+; Inline OSR Exit
+;
+; CHECK-LABEL:  .word   .L{{.*}}-osrinline
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word  0
+define void @osrinline(i64 %a, i64 %b) {
+entry:
+  ; Runtime void->void call.
+  call void inttoptr (i64 -559038737 to void ()*)()
+  ; Followed by inline OSR patchpoint with 12-byte shadow and 2 live vars.
+  call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 12, i64 %a, i64 %b)
+  ret void
+}
+
+; Cold OSR Exit
+;
+; 2 live variables in register.
+;
+; CHECK-LABEL:  .word   .L{{.*}}-osrcold
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+define void @osrcold(i64 %a, i64 %b) {
+entry:
+  %test = icmp slt i64 %a, %b
+  br i1 %test, label %ret, label %cold
+cold:
+  ; OSR patchpoint with 12-byte nop-slide and 2 live vars.
+  %thunk = inttoptr i64 3735928559 to i8*
+  call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4, i32 16, i8* %thunk, i32 0, i64 %a, i64 %b)
+  unreachable
+ret:
+  ret void
+}
+
+; Property Read
+; CHECK-LABEL:  .word   .L{{.*}}-propertyRead
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+define i64 @propertyRead(i64* %obj) {
+entry:
+  %resolveRead = inttoptr i64 3735928559 to i8*
+  %result = call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 16, i8* %resolveRead, i32 1, i64* %obj)
+  %add = add i64 %result, 3
+  ret i64 %add
+}
+
+; Property Write
+; CHECK-LABEL:  .word   .L{{.*}}-propertyWrite
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+define void @propertyWrite(i64 %dummy1, i64* %obj, i64 %dummy2, i64 %a) {
+entry:
+  %resolveWrite = inttoptr i64 3735928559 to i8*
+  call anyregcc void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 6, i32 16, i8* %resolveWrite, i32 2, i64* %obj, i64 %a)
+  ret void
+}
+
+; Void JS Call
+;
+; 2 live variables in registers.
+;
+; CHECK-LABEL:  .word   .L{{.*}}-jsVoidCall
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+define void @jsVoidCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) {
+entry:
+  %resolveCall = inttoptr i64 3735928559 to i8*
+  call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 7, i32 16, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2)
+  ret void
+}
+
+; i64 JS Call
+;
+; 2 live variables in registers.
+;
+; CHECK-LABEL:  .word   .L{{.*}}-jsIntCall
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  2
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+; CHECK-NEXT:   .byte   1
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  {{[0-9]+}}
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   0
+define i64 @jsIntCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) {
+entry:
+  %resolveCall = inttoptr i64 3735928559 to i8*
+  %result = call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 8, i32 16, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2)
+  %add = add i64 %result, 3
+  ret i64 %add
+}
+
+; Spilled stack map values.
+;
+; Verify 28 stack map entries.
+;
+; CHECK-LABEL:  .word .L{{.*}}-spilledValue
+; CHECK-NEXT:   .half 0
+; CHECK-NEXT:   .half 28
+;
+; Check that at least one is a spilled entry from RBP.
+; Location: Indirect RBP + ...
+; CHECK:        .byte 3
+; CHECK-NEXT:   .byte 0
+; CHECK-NEXT:   .half 8
+; CHECK-NEXT:   .half 2
+; CHECK-NEXT:   .half 0
+; CHECK-NEXT:   .word
+define void @spilledValue(i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i64 %l25, i64 %l26, i64 %l27) {
+entry:
+  call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 11, i32 20, i8* null, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i64 %l25, i64 %l26, i64 %l27)
+  ret void
+}
+
+; Map a constant value.
+;
+; CHECK-LABEL:  .word .L{{.*}}-liveConstant
+; CHECK-NEXT:   .half 0
+; 1 location
+; CHECK-NEXT:   .half 1
+; Loc 0: SmallConstant
+; CHECK-NEXT:   .byte   4
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word   33
+
+define void @liveConstant() {
+  tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 4, i32 33)
+  ret void
+}
+
+; Directly map an alloca's address.
+;
+; Callsite 16
+; CHECK-LABEL:  .word .L{{.*}}-directFrameIdx
+; CHECK-NEXT:   .half 0
+; 1 location
+; CHECK-NEXT:   .half  1
+; Loc 0: Direct RBP - ofs
+; CHECK-NEXT:   .byte   2
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  2
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word
+
+; Callsite 17
+; CHECK-LABEL:  .word   .L{{.*}}-directFrameIdx
+; CHECK-NEXT:   .half  0
+; 2 locations
+; CHECK-NEXT:   .half  2
+; Loc 0: Direct RBP - ofs
+; CHECK-NEXT:   .byte   2
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  2
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word
+; Loc 1: Direct RBP - ofs
+; CHECK-NEXT:   .byte   2
+; CHECK-NEXT:   .byte   0
+; CHECK-NEXT:   .half  8
+; CHECK-NEXT:   .half  2
+; CHECK-NEXT:   .half  0
+; CHECK-NEXT:   .word
+define void @directFrameIdx() {
+entry:
+  %metadata1 = alloca i64, i32 3, align 8
+  store i64 11, i64* %metadata1
+  store i64 12, i64* %metadata1
+  store i64 13, i64* %metadata1
+  call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 0, i64* %metadata1)
+  %metadata2 = alloca i8, i32 4, align 8
+  %metadata3 = alloca i16, i32 4, align 8
+  call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 17, i32 4, i8* null, i32 0, i8* %metadata2, i16* %metadata3)
+  ret void
+}
+
+; Test a 64-bit ID.
+;
+; CHECK:        .quad 4294967295
+; CHECK-LABEL:  .word .L{{.*}}-longid
+; CHECK:        .quad 4294967296
+; CHECK-LABEL:  .word .L{{.*}}-longid
+; CHECK:        .quad 9223372036854775807
+; CHECK-LABEL:  .word .L{{.*}}-longid
+; CHECK:        .quad -1
+; CHECK-LABEL:  .word .L{{.*}}-longid
+define void @longid() {
+entry:
+  tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967295, i32 0, i8* null, i32 0)
+  tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967296, i32 0, i8* null, i32 0)
+  tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 9223372036854775807, i32 0, i8* null, i32 0)
+  tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 -1, i32 0, i8* null, i32 0)
+  ret void
+}
+
+; A stack frame which needs to be realigned at runtime (to meet alignment 
+; criteria for values on the stack) does not have a fixed frame size. 
+; CHECK-LABEL:  .word .L{{.*}}-needsStackRealignment
+; CHECK-NEXT:   .half 0
+; 0 locations
+; CHECK-NEXT:   .half 0
+define void @needsStackRealignment() {
+  %val = alloca i64, i32 3, align 128
+  tail call void (...) @escape_values(i64* %val)
+; Note: Adding any non-constant to the stackmap would fail because we
+; expected to be able to address off the frame pointer.  In a realigned
+; frame, we must use the stack pointer instead.  This is a separate bug.
+  tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0)
+  ret void
+}
+declare void @escape_values(...)
+
+declare void @llvm.experimental.stackmap(i64, i32, ...)
+declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
+declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)