From: Alex Lorenz <arphaman@gmail.com>
Date: Wed, 12 Aug 2015 21:00:22 +0000 (+0000)
Subject: MIR Serialization: Serialize the GOT pseudo source values.
X-Git-Tag: studio-1.4~139
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d858f874fa8c5e3a48ef160c3f8682e2f5cf6bd7;p=platform%2Fupstream%2Fllvm.git

MIR Serialization: Serialize the GOT pseudo source values.

llvm-svn: 244809
---

diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.cpp b/llvm/lib/CodeGen/MIRParser/MILexer.cpp
index 8a6a1ff..950181b 100644
--- a/llvm/lib/CodeGen/MIRParser/MILexer.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MILexer.cpp
@@ -202,6 +202,7 @@ static MIToken::TokenKind getIdentifierKind(StringRef Identifier) {
       .Case("invariant", MIToken::kw_invariant)
       .Case("align", MIToken::kw_align)
       .Case("stack", MIToken::kw_stack)
+      .Case("got", MIToken::kw_got)
       .Case("constant-pool", MIToken::kw_constant_pool)
       .Case("liveout", MIToken::kw_liveout)
       .Default(MIToken::Identifier);
diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.h b/llvm/lib/CodeGen/MIRParser/MILexer.h
index 2c7a32c..beb38d0 100644
--- a/llvm/lib/CodeGen/MIRParser/MILexer.h
+++ b/llvm/lib/CodeGen/MIRParser/MILexer.h
@@ -71,6 +71,7 @@ struct MIToken {
     kw_invariant,
     kw_align,
     kw_stack,
+    kw_got,
     kw_constant_pool,
     kw_liveout,
 
diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
index 47a9eaf..6dae29a 100644
--- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
@@ -1124,6 +1124,9 @@ bool MIParser::parseMemoryPseudoSourceValue(const PseudoSourceValue *&PSV) {
   case MIToken::kw_stack:
     PSV = MF.getPSVManager().getStack();
     break;
+  case MIToken::kw_got:
+    PSV = MF.getPSVManager().getGOT();
+    break;
   case MIToken::kw_constant_pool:
     PSV = MF.getPSVManager().getConstantPool();
     break;
@@ -1136,7 +1139,8 @@ bool MIParser::parseMemoryPseudoSourceValue(const PseudoSourceValue *&PSV) {
 }
 
 bool MIParser::parseMachinePointerInfo(MachinePointerInfo &Dest) {
-  if (Token.is(MIToken::kw_constant_pool) || Token.is(MIToken::kw_stack)) {
+  if (Token.is(MIToken::kw_constant_pool) || Token.is(MIToken::kw_stack) ||
+      Token.is(MIToken::kw_got)) {
     const PseudoSourceValue *PSV = nullptr;
     if (parseMemoryPseudoSourceValue(PSV))
       return true;
diff --git a/llvm/lib/CodeGen/MIRPrinter.cpp b/llvm/lib/CodeGen/MIRPrinter.cpp
index 019383c..83e7b3e 100644
--- a/llvm/lib/CodeGen/MIRPrinter.cpp
+++ b/llvm/lib/CodeGen/MIRPrinter.cpp
@@ -713,6 +713,9 @@ void MIPrinter::print(const MachineMemOperand &Op) {
     case PseudoSourceValue::Stack:
       OS << "stack";
       break;
+    case PseudoSourceValue::GOT:
+      OS << "got";
+      break;
     case PseudoSourceValue::ConstantPool:
       OS << "constant-pool";
       break;
diff --git a/llvm/test/CodeGen/MIR/X86/memory-operands.mir b/llvm/test/CodeGen/MIR/X86/memory-operands.mir
index 289a5f6..c95d6d4 100644
--- a/llvm/test/CodeGen/MIR/X86/memory-operands.mir
+++ b/llvm/test/CodeGen/MIR/X86/memory-operands.mir
@@ -75,6 +75,15 @@
 
   attributes #0 = { readonly }
 
+  @G = external global i32
+
+  define i32 @got_psv() {
+  entry:
+    %a = load i32, i32* @G
+    %b = add i32 %a, 1
+    ret i32 %b
+  }
+
 ...
 ---
 name:            test
@@ -246,3 +255,17 @@ body:
       - '%rsp = ADD64ri8 %rsp, 24, implicit-def dead %eflags'
       - RETQ
 ...
+---
+name:            got_psv
+tracksRegLiveness: true
+body:
+  - id:          0
+    name:        entry
+    instructions:
+# CHECK: name: got_psv
+# CHECK: %rax = MOV64rm %rip, 1, _, @G, _ :: (load 8 from got)
+      - '%rax = MOV64rm %rip, 1, _, @G, _ :: (load 8 from got)'
+      - '%eax = MOV32rm killed %rax, 1, _, 0, _'
+      - '%eax = INC32r killed %eax, implicit-def dead %eflags'
+      - 'RETQ %eax'
+...