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MIR Serialization: Initial serialization of machine constant pools.

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This commit implements the initial serialization of machine constant pools and
the constant pool index machine operands. The constant pool is serialized using
a YAML sequence of YAML mappings that represent the constant values.
The target-specific constant pool items aren't serialized by this commit.

Reviewers: Duncan P. N. Exon Smith


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242707 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-07-20 20:51:18 +00:00
parent ca221d01d0
commit 0e4484f44d
10 changed files with 278 additions and 1 deletions
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6
lib/CodeGen/MIRParser/MILexer.cpp
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@@ -211,6 +211,10 @@ static Cursor maybeLexFixedStackObject(Cursor C, MIToken &Token) {
return maybeLexIndex(C, Token, "%fixed-stack.", MIToken::FixedStackObject);
}
static Cursor maybeLexConstantPoolItem(Cursor C, MIToken &Token) {
return maybeLexIndex(C, Token, "%const.", MIToken::ConstantPoolItem);
}
static Cursor lexVirtualRegister(Cursor C, MIToken &Token) {
auto Range = C;
C.advance(); // Skip '%'
@@ -321,6 +325,8 @@ StringRef llvm::lexMIToken(
return R.remaining();
if (Cursor R = maybeLexFixedStackObject(C, Token))
return R.remaining();
if (Cursor R = maybeLexConstantPoolItem(C, Token))
return R.remaining();
if (Cursor R = maybeLexRegister(C, Token))
return R.remaining();
if (Cursor R = maybeLexGlobalValue(C, Token, ErrorCallback))