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MIR Serialization: Print and parse simple machine function attributes.

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This commit serializes the simple, scalar attributes from the 
'MachineFunction' class.

Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D10449


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239790 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-06-16 00:10:47 +00:00
parent b3607cdd97
commit 00b6413c97
4 changed files with 48 additions and 0 deletions
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6
include/llvm/CodeGen/MIRYamlMapping.h
View File

@ -26,11 +26,17 @@ namespace yaml {
struct MachineFunction { struct MachineFunction {
StringRef Name; StringRef Name;
unsigned Alignment;
bool ExposesReturnsTwice;
bool HasInlineAsm;
}; };
template <> struct MappingTraits<MachineFunction> { template <> struct MappingTraits<MachineFunction> {
static void mapping(IO &YamlIO, MachineFunction &MF) { static void mapping(IO &YamlIO, MachineFunction &MF) {
YamlIO.mapRequired("name", MF.Name); YamlIO.mapRequired("name", MF.Name);
YamlIO.mapOptional("alignment", MF.Alignment);
YamlIO.mapOptional("exposesReturnsTwice", MF.ExposesReturnsTwice);
YamlIO.mapOptional("hasInlineAsm", MF.HasInlineAsm);
} }
}; };

5
lib/CodeGen/MIRParser/MIRParser.cpp
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@ -190,6 +190,11 @@ bool MIRParserImpl::initializeMachineFunction(MachineFunction &MF) {
return error(Twine("no machine function information for function '") + return error(Twine("no machine function information for function '") +
MF.getName() + "' in the MIR file"); MF.getName() + "' in the MIR file");
// TODO: Recreate the machine function. // TODO: Recreate the machine function.
const yaml::MachineFunction &YamlMF = *It->getValue();
if (YamlMF.Alignment)
MF.setAlignment(YamlMF.Alignment);
MF.setExposesReturnsTwice(YamlMF.ExposesReturnsTwice);
MF.setHasInlineAsm(YamlMF.HasInlineAsm);
return false; return false;
} }

3
lib/CodeGen/MIRPrinter.cpp
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@ -58,6 +58,9 @@ template <> struct BlockScalarTraits<Module> {
void MIRPrinter::print(const MachineFunction &MF) { void MIRPrinter::print(const MachineFunction &MF) {
yaml::MachineFunction YamlMF; yaml::MachineFunction YamlMF;
YamlMF.Name = MF.getName(); YamlMF.Name = MF.getName();
YamlMF.Alignment = MF.getAlignment();
YamlMF.ExposesReturnsTwice = MF.exposesReturnsTwice();
YamlMF.HasInlineAsm = MF.hasInlineAsm();
yaml::Output Out(OS); yaml::Output Out(OS);
Out << YamlMF; Out << YamlMF;
} }

34
test/CodeGen/MIR/machine-function.mir
View File

@ -11,14 +11,48 @@
ret i32 0 ret i32 0
} }
define i32 @func() {
ret i32 0
}
define i32 @func2() {
ret i32 0
}
... ...
--- ---
# CHECK: name: foo # CHECK: name: foo
# CHECK-NEXT: alignment:
# CHECK-NEXT: exposesReturnsTwice: false
# CHECK-NEXT: hasInlineAsm: false
# CHECK-NEXT: ... # CHECK-NEXT: ...
name: foo name: foo
... ...
--- ---
# CHECK: name: bar # CHECK: name: bar
# CHECK-NEXT: alignment:
# CHECK-NEXT: exposesReturnsTwice: false
# CHECK-NEXT: hasInlineAsm: false
# CHECK-NEXT: ... # CHECK-NEXT: ...
name: bar name: bar
... ...
---
# CHECK: name: func
# CHECK-NEXT: alignment: 8
# CHECK-NEXT: exposesReturnsTwice: false
# CHECK-NEXT: hasInlineAsm: false
# CHECK-NEXT: ...
name: func
alignment: 8
...
---
# CHECK: name: func2
# CHECK-NEXT: alignment: 16
# CHECK-NEXT: exposesReturnsTwice: true
# CHECK-NEXT: hasInlineAsm: true
# CHECK-NEXT: ...
name: func2
alignment: 16
exposesReturnsTwice: true
hasInlineAsm: true
...