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MIR Serialization: Serialize the 'internal' register operand flag.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245085 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz 2015-08-14 19:07:07 +00:00
parent 46d5ea66a3
commit 6ad9b2163c
5 changed files with 18 additions and 9 deletions
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1
lib/CodeGen/MIRParser/MILexer.cpp
View File

@ -191,6 +191,7 @@ static MIToken::TokenKind getIdentifierKind(StringRef Identifier) {
.Case("dead", MIToken::kw_dead)
.Case("killed", MIToken::kw_killed)
.Case("undef", MIToken::kw_undef)
.Case("internal", MIToken::kw_internal)
.Case("early-clobber", MIToken::kw_early_clobber)
.Case("debug-use", MIToken::kw_debug_use)
.Case("frame-setup", MIToken::kw_frame_setup)

4
lib/CodeGen/MIRParser/MILexer.h
View File

@ -52,6 +52,7 @@ struct MIToken {
kw_dead,
kw_killed,
kw_undef,
kw_internal,
kw_early_clobber,
kw_debug_use,
kw_frame_setup,
@ -138,7 +139,8 @@ public:
bool isRegisterFlag() const {
return Kind == kw_implicit || Kind == kw_implicit_define ||
Kind == kw_dead || Kind == kw_killed || Kind == kw_undef ||
Kind == kw_early_clobber || Kind == kw_debug_use;
Kind == kw_internal || Kind == kw_early_clobber ||
Kind == kw_debug_use;
}
bool isMemoryOperandFlag() const {

8
lib/CodeGen/MIRParser/MIParser.cpp
View File

@ -777,13 +777,15 @@ bool MIParser::parseRegisterFlag(unsigned &Flags) {
case MIToken::kw_undef:
Flags |= RegState::Undef;
break;
case MIToken::kw_internal:
Flags |= RegState::InternalRead;
break;
case MIToken::kw_early_clobber:
Flags |= RegState::EarlyClobber;
break;
case MIToken::kw_debug_use:
Flags |= RegState::Debug;
break;
// TODO: parse the other register flags.
default:
llvm_unreachable("The current token should be a register flag");
}
@ -828,7 +830,8 @@ bool MIParser::parseRegisterOperand(MachineOperand &Dest, bool IsDef) {
Dest = MachineOperand::CreateReg(
Reg, Flags & RegState::Define, Flags & RegState::Implicit,
Flags & RegState::Kill, Flags & RegState::Dead, Flags & RegState::Undef,
Flags & RegState::EarlyClobber, SubReg, Flags & RegState::Debug);
Flags & RegState::EarlyClobber, SubReg, Flags & RegState::Debug,
Flags & RegState::InternalRead);
return false;
}
@ -1235,6 +1238,7 @@ bool MIParser::parseMachineOperand(MachineOperand &Dest) {
case MIToken::kw_dead:
case MIToken::kw_killed:
case MIToken::kw_undef:
case MIToken::kw_internal:
case MIToken::kw_early_clobber:
case MIToken::kw_debug_use:
case MIToken::underscore:

4
lib/CodeGen/MIRPrinter.cpp
View File

@ -617,9 +617,11 @@ void MIPrinter::print(const MachineOperand &Op, const TargetRegisterInfo *TRI) {
printTargetFlags(Op);
switch (Op.getType()) {
case MachineOperand::MO_Register:
// TODO: Print the other register flags.
// FIXME: Serialize the tied register.
if (Op.isImplicit())
OS << (Op.isDef() ? "implicit-def " : "implicit ");
if (Op.isInternalRead())
OS << "internal ";
if (Op.isDead())
OS << "dead ";
if (Op.isKill())

10
test/CodeGen/MIR/ARM/bundled-instructions.mir
View File

@ -1,6 +1,6 @@
# RUN: llc -mtriple thumbv7-apple-ios -start-after block-placement -stop-after block-placement -o /dev/null %s | FileCheck %s
# This test ensures that the MIR parser parses the bundled machine instructions
# correctly.
# and 'internal' register flags correctly.
--- |
@ -32,7 +32,7 @@ body: |
; CHECK-NEXT: t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr
; CHECK-NEXT: BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr {
; CHECK-NEXT: t2IT 12, 8, implicit-def %itstate
; CHECK-NEXT: %r1 = t2MOVi 1, 12, killed %cpsr, _
; CHECK-NEXT: %r1 = t2MOVi 1, 12, killed %cpsr, _, implicit internal killed %itstate
; CHECK-NEXT: }
; CHECK-NEXT: %r0 = tMOVr killed %r1, 14, _
; CHECK-NEXT: tBX_RET 14, _, implicit killed %r0
@ -40,7 +40,7 @@ body: |
t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr
BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr {
t2IT 12, 8, implicit-def %itstate
%r1 = t2MOVi 1, 12, killed %cpsr, _
%r1 = t2MOVi 1, 12, killed %cpsr, _, implicit internal killed %itstate
}
%r0 = tMOVr killed %r1, 14, _
tBX_RET 14, _, implicit killed %r0
@ -62,14 +62,14 @@ body: |
; CHECK-NEXT: t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr
; CHECK-NEXT: BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr {
; CHECK-NEXT: t2IT 12, 8, implicit-def %itstate
; CHECK-NEXT: %r1 = t2MOVi 1, 12, killed %cpsr, _
; CHECK-NEXT: %r1 = t2MOVi 1, 12, killed %cpsr, _, implicit internal killed %itstate
; CHECK-NEXT: }
; CHECK-NEXT: %r0 = tMOVr killed %r1, 14, _
; CHECK-NEXT: tBX_RET 14, _, implicit killed %r0
%r1 = t2MOVi 0, 14, _, _
t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr
BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr { t2IT 12, 8, implicit-def %itstate
%r1 = t2MOVi 1, 12, killed %cpsr, _
%r1 = t2MOVi 1, 12, killed %cpsr, _, internal implicit killed %itstate
} %r0 = tMOVr killed %r1, 14, _
tBX_RET 14, _, implicit killed %r0
...