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[Stackmap] Add AnyReg calling convention support for patchpoint intrinsic.

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The idea of the AnyReg Calling Convention is to provide the call arguments in
registers, but not to force them to be placed in a paticular order into a
specified set of registers. Instead it is up tp the register allocator to assign
any register as it sees fit. The same applies to the return value (if
applicable).

Differential Revision: http://llvm-reviews.chandlerc.com/D2009

Reviewed by Andy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194293 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Juergen Ributzka
2013-11-08 23:28:16 +00:00
parent d900b11795
commit 623d2e618f
18 changed files with 503 additions and 50 deletions
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2
lib/AsmParser/LLParser.cpp
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@ -1343,6 +1343,7 @@ bool LLParser::ParseOptionalVisibility(unsigned &Res) {
/// ::= 'x86_64_sysvcc'
/// ::= 'x86_64_win64cc'
/// ::= 'webkit_jscc'
/// ::= 'anyregcc'
/// ::= 'cc' UINT
///
bool LLParser::ParseOptionalCallingConv(CallingConv::ID &CC) {
@ -1366,6 +1367,7 @@ bool LLParser::ParseOptionalCallingConv(CallingConv::ID &CC) {
case lltok::kw_x86_64_sysvcc: CC = CallingConv::X86_64_SysV; break;
case lltok::kw_x86_64_win64cc: CC = CallingConv::X86_64_Win64; break;
case lltok::kw_webkit_jscc: CC = CallingConv::WebKit_JS; break;
case lltok::kw_anyregcc: CC = CallingConv::AnyReg; break;
case lltok::kw_cc: {
unsigned ArbitraryCC;
Lex.Lex();