summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--llvm/lib/CodeGen/MIRParser/MILexer.cpp1
-rw-r--r--llvm/lib/CodeGen/MIRParser/MILexer.h1
-rw-r--r--llvm/lib/CodeGen/MIRParser/MIParser.cpp119
-rw-r--r--llvm/lib/IR/AsmWriter.cpp8
-rw-r--r--llvm/test/CodeGen/Hexagon/packetize-debug-loc.mir4
-rw-r--r--llvm/test/CodeGen/MIR/X86/instructions-debug-location.mir41
6 files changed, 166 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.cpp b/llvm/lib/CodeGen/MIRParser/MILexer.cpp
index f7cc94e34a5..6d6d5517379 100644
--- a/llvm/lib/CodeGen/MIRParser/MILexer.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MILexer.cpp
@@ -576,6 +576,7 @@ static MIToken::TokenKind getMetadataKeywordKind(StringRef Identifier) {
.Case("!noalias", MIToken::md_noalias)
.Case("!range", MIToken::md_range)
.Case("!DIExpression", MIToken::md_diexpr)
+ .Case("!DILocation", MIToken::md_dilocation)
.Default(MIToken::Error);
}
diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.h b/llvm/lib/CodeGen/MIRParser/MILexer.h
index dffa4f74544..a52f6206fb7 100644
--- a/llvm/lib/CodeGen/MIRParser/MILexer.h
+++ b/llvm/lib/CodeGen/MIRParser/MILexer.h
@@ -126,6 +126,7 @@ struct MIToken {
md_noalias,
md_range,
md_diexpr,
+ md_dilocation,
// Identifier tokens
Identifier,
diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
index 1a6174bf9ee..16cade09f21 100644
--- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
@@ -226,6 +226,7 @@ public:
bool parseMCSymbolOperand(MachineOperand &Dest);
bool parseMDNode(MDNode *&Node);
bool parseDIExpression(MDNode *&Expr);
+ bool parseDILocation(MDNode *&Expr);
bool parseMetadataOperand(MachineOperand &Dest);
bool parseCFIOffset(int &Offset);
bool parseCFIRegister(unsigned &Reg);
@@ -776,11 +777,15 @@ bool MIParser::parse(MachineInstr *&MI) {
DebugLoc DebugLocation;
if (Token.is(MIToken::kw_debug_location)) {
lex();
- if (Token.isNot(MIToken::exclaim))
- return error("expected a metadata node after 'debug-location'");
MDNode *Node = nullptr;
- if (parseMDNode(Node))
- return true;
+ if (Token.is(MIToken::exclaim)) {
+ if (parseMDNode(Node))
+ return true;
+ } else if (Token.is(MIToken::md_dilocation)) {
+ if (parseDILocation(Node))
+ return true;
+ } else
+ return error("expected a metadata node after 'debug-location'");
if (!isa<DILocation>(Node))
return error("referenced metadata is not a DILocation");
DebugLocation = DebugLoc(Node);
@@ -898,6 +903,9 @@ bool MIParser::parseStandaloneMDNode(MDNode *&Node) {
} else if (Token.is(MIToken::md_diexpr)) {
if (parseDIExpression(Node))
return true;
+ } else if (Token.is(MIToken::md_dilocation)) {
+ if (parseDILocation(Node))
+ return true;
} else
return error("expected a metadata node");
if (Token.isNot(MIToken::Eof))
@@ -1684,6 +1692,109 @@ bool MIParser::parseDIExpression(MDNode *&Expr) {
return false;
}
+bool MIParser::parseDILocation(MDNode *&Loc) {
+ assert(Token.is(MIToken::md_dilocation));
+ lex();
+
+ bool HaveLine = false;
+ unsigned Line = 0;
+ unsigned Column = 0;
+ MDNode *Scope = nullptr;
+ MDNode *InlinedAt = nullptr;
+ bool ImplicitCode;
+
+ if (expectAndConsume(MIToken::lparen))
+ return true;
+
+ if (Token.isNot(MIToken::rparen)) {
+ do {
+ if (Token.is(MIToken::Identifier)) {
+ if (Token.stringValue() == "line") {
+ lex();
+ if (expectAndConsume(MIToken::colon))
+ return true;
+ if (Token.isNot(MIToken::IntegerLiteral) ||
+ Token.integerValue().isSigned())
+ return error("expected unsigned integer");
+ Line = Token.integerValue().getZExtValue();
+ HaveLine = true;
+ lex();
+ continue;
+ }
+ if (Token.stringValue() == "column") {
+ lex();
+ if (expectAndConsume(MIToken::colon))
+ return true;
+ if (Token.isNot(MIToken::IntegerLiteral) ||
+ Token.integerValue().isSigned())
+ return error("expected unsigned integer");
+ Column = Token.integerValue().getZExtValue();
+ lex();
+ continue;
+ }
+ if (Token.stringValue() == "scope") {
+ lex();
+ if (expectAndConsume(MIToken::colon))
+ return true;
+ if (parseMDNode(Scope))
+ return error("expected metadata node");
+ if (!isa<DIScope>(Scope))
+ return error("expected DIScope node");
+ continue;
+ }
+ if (Token.stringValue() == "inlinedAt") {
+ lex();
+ if (expectAndConsume(MIToken::colon))
+ return true;
+ if (Token.is(MIToken::exclaim)) {
+ if (parseMDNode(InlinedAt))
+ return true;
+ } else if (Token.is(MIToken::md_dilocation)) {
+ if (parseDILocation(InlinedAt))
+ return true;
+ } else
+ return error("expected metadata node");
+ if (!isa<DILocation>(InlinedAt))
+ return error("expected DILocation node");
+ continue;
+ }
+ if (Token.stringValue() == "isImplicitCode") {
+ lex();
+ if (expectAndConsume(MIToken::colon))
+ return true;
+ if (!Token.is(MIToken::Identifier))
+ return error("expected true/false");
+ // As far as I can see, we don't have any existing need for parsing
+ // true/false in MIR yet. Do it ad-hoc until there's something else
+ // that needs it.
+ if (Token.stringValue() == "true")
+ ImplicitCode = true;
+ else if (Token.stringValue() == "false")
+ ImplicitCode = false;
+ else
+ return error("expected true/false");
+ lex();
+ continue;
+ }
+ }
+ return error(Twine("invalid DILocation argument '") +
+ Token.stringValue() + "'");
+ } while (consumeIfPresent(MIToken::comma));
+ }
+
+ if (expectAndConsume(MIToken::rparen))
+ return true;
+
+ if (!HaveLine)
+ return error("DILocation requires line number");
+ if (!Scope)
+ return error("DILocation requires a scope");
+
+ Loc = DILocation::get(MF.getFunction().getContext(), Line, Column, Scope,
+ InlinedAt, ImplicitCode);
+ return false;
+}
+
bool MIParser::parseMetadataOperand(MachineOperand &Dest) {
MDNode *Node = nullptr;
if (Token.is(MIToken::exclaim)) {
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index 23aee723205..36f4f3aa876 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -2294,11 +2294,15 @@ static void WriteAsOperandInternal(raw_ostream &Out, const Metadata *MD,
Machine = MachineStorage.get();
}
int Slot = Machine->getMetadataSlot(N);
- if (Slot == -1)
+ if (Slot == -1) {
+ if (const DILocation *Loc = dyn_cast<DILocation>(N)) {
+ writeDILocation(Out, Loc, TypePrinter, Machine, Context);
+ return;
+ }
// Give the pointer value instead of "badref", since this comes up all
// the time when debugging.
Out << "<" << N << ">";
- else
+ } else
Out << '!' << Slot;
return;
}
diff --git a/llvm/test/CodeGen/Hexagon/packetize-debug-loc.mir b/llvm/test/CodeGen/Hexagon/packetize-debug-loc.mir
index 9bcc5ba0693..f86fb05ac67 100644
--- a/llvm/test/CodeGen/Hexagon/packetize-debug-loc.mir
+++ b/llvm/test/CodeGen/Hexagon/packetize-debug-loc.mir
@@ -41,9 +41,9 @@ body: |
# CHECK-LABEL: name: test
# CHECK: BUNDLE
-# CHECK-SAME: debug-location [[DL1:[0-9x<>]+]]
+# CHECK-SAME: debug-location [[DL1:!DILocation([^)]+)]]
# CHECK-NEXT: L2_loadri_io $r1, 0, debug-location [[DL1]]
-# CHECK-NEXT: L2_loadri_io $r1, 0, debug-location [[DL2:[0-9x<>]+]]
+# CHECK-NEXT: L2_loadri_io $r1, 0, debug-location [[DL2:!DILocation([^)]+)]]
# CHECK: BUNDLE
# CHECK-SAME: debug-location [[DL1]]
diff --git a/llvm/test/CodeGen/MIR/X86/instructions-debug-location.mir b/llvm/test/CodeGen/MIR/X86/instructions-debug-location.mir
index 8b6c5cbf526..fe74f5c0535 100644
--- a/llvm/test/CodeGen/MIR/X86/instructions-debug-location.mir
+++ b/llvm/test/CodeGen/MIR/X86/instructions-debug-location.mir
@@ -22,6 +22,17 @@
ret i32 %0, !dbg !14
}
+ define i32 @test_mir_created(i32 %x) #0 !dbg !15 {
+ entry:
+ %x.addr = alloca i32, align 4
+ store i32 %x, i32* %x.addr, align 4
+ %0 = load i32, i32* %x.addr, align 4
+ %1 = load i32, i32* %x.addr, align 4
+ %2 = load i32, i32* %x.addr, align 4
+ %3 = load i32, i32* %x.addr, align 4
+ ret i32 %0, !dbg !16
+ }
+
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
attributes #0 = { nounwind "no-frame-pointer-elim"="false" }
@@ -45,6 +56,8 @@
!12 = !DILocalVariable(name: "x", arg: 1, scope: !4, file: !5, line: 4, type: !8)
!13 = !DILocation(line: 4, scope: !4)
!14 = !DILocation(line: 8, scope: !4)
+ !15 = distinct !DISubprogram(name: "test_mir_created", scope: !5, file: !5, line: 10, type: !6, isLocal: false, isDefinition: true, scopeLine: 10, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
+ !16 = !DILocation(line: 20, scope: !15)
...
---
@@ -96,3 +109,31 @@ body: |
$eax = COPY %0
RETQ $eax
...
+---
+name: test_mir_created
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: gr32 }
+frameInfo:
+ maxAlignment: 4
+stack:
+ - { id: 0, name: x.addr, size: 4, alignment: 4 }
+body: |
+ bb.0.entry:
+ liveins: $edi
+
+ %0 = COPY $edi
+ ; CHECK-LABEL: name: test_mir_created
+ ; CHECK: MOV32mr %stack.0.x.addr, 1, $noreg, 0, $noreg, %0, debug-location !DILocation(line: 1, scope: !14)
+ ; CHECK: MOV32mr %stack.0.x.addr, 1, $noreg, 0, $noreg, %0, debug-location !DILocation(line: 2, column: 2, scope: !14)
+ ; CHECK: MOV32mr %stack.0.x.addr, 1, $noreg, 0, $noreg, %0, debug-location !DILocation(line: 3, column: 2, scope: !14, isImplicitCode: true)
+ ; CHECK: MOV32mr %stack.0.x.addr, 1, $noreg, 0, $noreg, %0, debug-location !DILocation(line: 4, scope: !14, inlinedAt: !15)
+ ; CHECK: MOV32mr %stack.0.x.addr, 1, $noreg, 0, $noreg, %0, debug-location !DILocation(line: 5, scope: !14, inlinedAt: !DILocation(line: 4, scope: !14))
+ MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 1, scope: !15)
+ MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 2, column: 2, scope: !15)
+ MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 3, column: 2, scope: !15, isImplicitCode: true)
+ MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 4, scope: !15, inlinedAt: !16)
+ MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 5, scope: !15, inlinedAt: !DILocation(line: 4, scope: !15))
+ $eax = COPY %0
+ RETQ $eax
+...
OpenPOWER on IntegriCloud