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https://github.com/c64scene-ar/llvm-6502.git
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[Stackmaps] Record the stack size of each function that contains a stackmap/patchpoint intrinsic.
Reviewed by Andy git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200444 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Juergen Ributzka
parent
efdbec8b0a
commit
2baaf25bf5
@ -314,6 +314,11 @@ format of this section follows:
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.. code-block:: none
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uint32 : Reserved (header)
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uint32 : NumFunctions
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StkSizeRecord[NumFunctions] {
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uint32 : Function Offset
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uint32 : Stack Size
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}
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uint32 : NumConstants
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Constants[NumConstants] {
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uint64 : LargeConstant
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@ -11,6 +11,7 @@
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#ifndef LLVM_STACKMAPS
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#define LLVM_STACKMAPS
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#include "llvm/ADT/MapVector.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/CodeGen/MachineInstr.h"
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#include <map>
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@ -132,6 +133,7 @@ public:
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private:
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typedef SmallVector<Location, 8> LocationVec;
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typedef SmallVector<LiveOutReg, 8> LiveOutVec;
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typedef MapVector<const MCSymbol *, uint32_t> FnStackSizeMap;
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struct CallsiteInfo {
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const MCExpr *CSOffsetExpr;
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@ -170,6 +172,7 @@ private:
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AsmPrinter &AP;
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CallsiteInfoList CSInfos;
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ConstantPool ConstPool;
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FnStackSizeMap FnStackSize;
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MachineInstr::const_mop_iterator
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parseOperand(MachineInstr::const_mop_iterator MOI,
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@ -11,6 +11,8 @@
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#include "llvm/CodeGen/StackMaps.h"
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/MachineFrameInfo.h"
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#include "llvm/CodeGen/MachineInstr.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/MC/MCContext.h"
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@ -216,12 +218,19 @@ void StackMaps::recordStackMapOpers(const MachineInstr &MI, uint64_t ID,
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}
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}
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// Create an expression to calculate the offset of the callsite from function
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// entry.
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const MCExpr *CSOffsetExpr = MCBinaryExpr::CreateSub(
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MCSymbolRefExpr::Create(MILabel, OutContext),
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MCSymbolRefExpr::Create(AP.CurrentFnSym, OutContext),
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OutContext);
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CSInfos.push_back(CallsiteInfo(CSOffsetExpr, ID, Locations, LiveOuts));
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// Record the stack size of the current function.
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const MachineFrameInfo *MFI = AP.MF->getFrameInfo();
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FnStackSize[AP.CurrentFnSym] =
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MFI->hasVarSizedObjects() ? ~0U : MFI->getStackSize();
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}
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void StackMaps::recordStackMap(const MachineInstr &MI) {
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@ -258,6 +267,11 @@ void StackMaps::recordPatchPoint(const MachineInstr &MI) {
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/// serializeToStackMapSection conceptually populates the following fields:
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///
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/// uint32 : Reserved (header)
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/// uint32 : NumFunctions
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/// StkSizeRecord[NumFunctions] {
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/// uint32 : Function Offset
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/// uint32 : Stack Size
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/// }
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/// uint32 : NumConstants
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/// int64 : Constants[NumConstants]
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/// uint32 : NumRecords
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@ -313,6 +327,16 @@ void StackMaps::serializeToStackMapSection() {
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// Header.
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AP.OutStreamer.EmitIntValue(0, 4);
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// Num functions.
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AP.OutStreamer.EmitIntValue(FnStackSize.size(), 4);
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// Stack size entries.
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for (FnStackSizeMap::iterator I = FnStackSize.begin(), E = FnStackSize.end();
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I != E; ++I) {
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AP.EmitLabelReference(I->first, 4, true);
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AP.OutStreamer.EmitIntValue(I->second, 4);
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}
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// Num constants.
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AP.OutStreamer.EmitIntValue(ConstPool.getNumConstants(), 4);
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@ -1,13 +1,31 @@
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -disable-fp-elim | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=corei7 | FileCheck --check-prefix=SSE %s
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; RUN: llc < %s -march=x86-64 -mcpu=corei7-avx | FileCheck --check-prefix=AVX %s
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -disable-fp-elim | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -disable-fp-elim | FileCheck --check-prefix=SSE %s
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -disable-fp-elim | FileCheck --check-prefix=AVX %s
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; Stackmap Header: no constants - 6 callsites
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; CHECK-LABEL: .section __LLVM_STACKMAPS,__llvm_stackmaps
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; CHECK-NEXT: __LLVM_StackMaps:
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; CHECK-LABEL: .section __LLVM_STACKMAPS,__llvm_stackmaps
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; CHECK-NEXT: __LLVM_StackMaps:
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; Header
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 0
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; Num Functions
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _test
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _property_access1
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _property_access2
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; CHECK-NEXT: .long 24
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; CHECK-NEXT: .long _property_access3
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; CHECK-NEXT: .long 24
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; CHECK-NEXT: .long _anyreg_test1
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; CHECK-NEXT: .long 56
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; CHECK-NEXT: .long _anyreg_test2
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; CHECK-NEXT: .long 56
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; CHECK-NEXT: .long _patchpoint_spilldef
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; CHECK-NEXT: .long 56
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; CHECK-NEXT: .long _patchpoint_spillargs
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; CHECK-NEXT: .long 88
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; Num Constants
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; CHECK-NEXT: .long 0
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; Num Callsites
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@ -343,8 +361,8 @@ entry:
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define anyregcc void @anyregcc1() {
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entry:
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;SSE-LABEL: anyregcc1
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;SSE: pushq %rax
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;SSE: pushq %rbp
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;SSE: pushq %rax
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;SSE: pushq %r15
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;SSE: pushq %r14
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;SSE: pushq %r13
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@ -375,8 +393,8 @@ entry:
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;SSE-NEXT: movaps %xmm1
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;SSE-NEXT: movaps %xmm0
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;AVX-LABEL:anyregcc1
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;AVX: pushq %rax
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;AVX: pushq %rbp
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;AVX: pushq %rax
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;AVX: pushq %r15
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;AVX: pushq %r14
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;AVX: pushq %r13
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@ -390,22 +408,22 @@ entry:
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;AVX: pushq %rdx
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;AVX: pushq %rcx
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;AVX: pushq %rbx
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;AVX: vmovups %ymm15
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;AVX-NEXT: vmovups %ymm14
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;AVX-NEXT: vmovups %ymm13
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;AVX-NEXT: vmovups %ymm12
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;AVX-NEXT: vmovups %ymm11
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;AVX-NEXT: vmovups %ymm10
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;AVX-NEXT: vmovups %ymm9
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;AVX-NEXT: vmovups %ymm8
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;AVX-NEXT: vmovups %ymm7
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;AVX-NEXT: vmovups %ymm6
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;AVX-NEXT: vmovups %ymm5
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;AVX-NEXT: vmovups %ymm4
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;AVX-NEXT: vmovups %ymm3
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;AVX-NEXT: vmovups %ymm2
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;AVX-NEXT: vmovups %ymm1
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;AVX-NEXT: vmovups %ymm0
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;AVX: vmovaps %ymm15
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;AVX-NEXT: vmovaps %ymm14
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;AVX-NEXT: vmovaps %ymm13
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;AVX-NEXT: vmovaps %ymm12
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;AVX-NEXT: vmovaps %ymm11
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;AVX-NEXT: vmovaps %ymm10
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;AVX-NEXT: vmovaps %ymm9
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;AVX-NEXT: vmovaps %ymm8
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;AVX-NEXT: vmovaps %ymm7
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;AVX-NEXT: vmovaps %ymm6
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;AVX-NEXT: vmovaps %ymm5
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;AVX-NEXT: vmovaps %ymm4
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;AVX-NEXT: vmovaps %ymm3
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;AVX-NEXT: vmovaps %ymm2
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;AVX-NEXT: vmovaps %ymm1
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;AVX-NEXT: vmovaps %ymm0
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call void asm sideeffect "", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{rbp},~{xmm0},~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15}"()
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ret void
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}
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@ -6,7 +6,13 @@
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; CHECK-LABEL: .section __LLVM_STACKMAPS,__llvm_stackmaps
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; CHECK-NEXT: __LLVM_StackMaps:
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 0
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; Num Functions
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; CHECK-NEXT: .long 2
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; CHECK-NEXT: .long _stackmap_liveness
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _mixed_liveness
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; CHECK-NEXT: .long 8
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; Num LargeConstants
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; CHECK-NEXT: .long 0
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; Num Callsites
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@ -4,7 +4,37 @@
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; CHECK-LABEL: .section __LLVM_STACKMAPS,__llvm_stackmaps
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; CHECK-NEXT: __LLVM_StackMaps:
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 0
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; Num Functions
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; CHECK-NEXT: .long 14
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; CHECK-NEXT: .long _constantargs
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _osrinline
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; CHECK-NEXT: .long 24
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; CHECK-NEXT: .long _osrcold
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _propertyRead
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _propertyWrite
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _jsVoidCall
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _jsIntCall
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _spilledValue
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; CHECK-NEXT: .long 56
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; CHECK-NEXT: .long _spilledStackMapValue
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; CHECK-NEXT: .long 56
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; CHECK-NEXT: .long _spillSubReg
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; CHECK-NEXT: .long 56
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; CHECK-NEXT: .long _subRegOffset
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; CHECK-NEXT: .long 56
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; CHECK-NEXT: .long _liveConstant
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long _directFrameIdx
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; CHECK-NEXT: .long 56
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; CHECK-NEXT: .long _longid
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; CHECK-NEXT: .long 8
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; Num LargeConstants
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; CHECK-NEXT: .long 3
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; CHECK-NEXT: .quad 2147483648
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