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authorChris Lattner <sabre@nondot.org>2011-11-27 06:56:53 +0000
committerChris Lattner <sabre@nondot.org>2011-11-27 06:56:53 +0000
commitfbe910e7f432682457a7b3b9319f618dd66ddcd4 (patch)
treed28bb0cc56cecc345702b7af8c7ad132cc4c3267 /lib/AsmParser
parentd2bf432b2b6ba02e20958953a237213d48b00f20 (diff)
remove asmparsing and documentation support for "volatile load", which was only produced by LLVM 2.9 and earlier. LLVM 3.0 and later prefers "load volatile".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145172 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/AsmParser')
-rw-r--r--lib/AsmParser/LLParser.cpp32
-rw-r--r--lib/AsmParser/LLParser.h4
2 files changed, 8 insertions, 28 deletions
diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index f01e995401..212c9fb38d 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -2948,19 +2948,11 @@ int LLParser::ParseInstruction(Instruction *&Inst, BasicBlock *BB,
case lltok::kw_tail: return ParseCall(Inst, PFS, true);
// Memory.
case lltok::kw_alloca: return ParseAlloc(Inst, PFS);
- case lltok::kw_load: return ParseLoad(Inst, PFS, false);
- case lltok::kw_store: return ParseStore(Inst, PFS, false);
+ case lltok::kw_load: return ParseLoad(Inst, PFS);
+ case lltok::kw_store: return ParseStore(Inst, PFS);
case lltok::kw_cmpxchg: return ParseCmpXchg(Inst, PFS);
case lltok::kw_atomicrmw: return ParseAtomicRMW(Inst, PFS);
case lltok::kw_fence: return ParseFence(Inst, PFS);
- case lltok::kw_volatile:
- // For compatibility; canonical location is after load
- if (EatIfPresent(lltok::kw_load))
- return ParseLoad(Inst, PFS, true);
- else if (EatIfPresent(lltok::kw_store))
- return ParseStore(Inst, PFS, true);
- else
- return TokError("expected 'load' or 'store'");
case lltok::kw_getelementptr: return ParseGetElementPtr(Inst, PFS);
case lltok::kw_extractvalue: return ParseExtractValue(Inst, PFS);
case lltok::kw_insertvalue: return ParseInsertValue(Inst, PFS);
@@ -3684,10 +3676,7 @@ int LLParser::ParseAlloc(Instruction *&Inst, PerFunctionState &PFS) {
/// ::= 'load' 'volatile'? TypeAndValue (',' 'align' i32)?
/// ::= 'load' 'atomic' 'volatile'? TypeAndValue
/// 'singlethread'? AtomicOrdering (',' 'align' i32)?
-/// Compatibility:
-/// ::= 'volatile' 'load' TypeAndValue (',' 'align' i32)?
-int LLParser::ParseLoad(Instruction *&Inst, PerFunctionState &PFS,
- bool isVolatile) {
+int LLParser::ParseLoad(Instruction *&Inst, PerFunctionState &PFS) {
Value *Val; LocTy Loc;
unsigned Alignment = 0;
bool AteExtraComma = false;
@@ -3696,15 +3685,12 @@ int LLParser::ParseLoad(Instruction *&Inst, PerFunctionState &PFS,
SynchronizationScope Scope = CrossThread;
if (Lex.getKind() == lltok::kw_atomic) {
- if (isVolatile)
- return TokError("mixing atomic with old volatile placement");
isAtomic = true;
Lex.Lex();
}
+ bool isVolatile = false;
if (Lex.getKind() == lltok::kw_volatile) {
- if (isVolatile)
- return TokError("duplicate volatile before and after store");
isVolatile = true;
Lex.Lex();
}
@@ -3731,10 +3717,7 @@ int LLParser::ParseLoad(Instruction *&Inst, PerFunctionState &PFS,
/// ::= 'store' 'volatile'? TypeAndValue ',' TypeAndValue (',' 'align' i32)?
/// ::= 'store' 'atomic' 'volatile'? TypeAndValue ',' TypeAndValue
/// 'singlethread'? AtomicOrdering (',' 'align' i32)?
-/// Compatibility:
-/// ::= 'volatile' 'store' TypeAndValue ',' TypeAndValue (',' 'align' i32)?
-int LLParser::ParseStore(Instruction *&Inst, PerFunctionState &PFS,
- bool isVolatile) {
+int LLParser::ParseStore(Instruction *&Inst, PerFunctionState &PFS) {
Value *Val, *Ptr; LocTy Loc, PtrLoc;
unsigned Alignment = 0;
bool AteExtraComma = false;
@@ -3743,15 +3726,12 @@ int LLParser::ParseStore(Instruction *&Inst, PerFunctionState &PFS,
SynchronizationScope Scope = CrossThread;
if (Lex.getKind() == lltok::kw_atomic) {
- if (isVolatile)
- return TokError("mixing atomic with old volatile placement");
isAtomic = true;
Lex.Lex();
}
+ bool isVolatile = false;
if (Lex.getKind() == lltok::kw_volatile) {
- if (isVolatile)
- return TokError("duplicate volatile before and after store");
isVolatile = true;
Lex.Lex();
}
diff --git a/lib/AsmParser/LLParser.h b/lib/AsmParser/LLParser.h
index cbc3c23e86..c2537d7bda 100644
--- a/lib/AsmParser/LLParser.h
+++ b/lib/AsmParser/LLParser.h
@@ -363,8 +363,8 @@ namespace llvm {
bool ParseLandingPad(Instruction *&I, PerFunctionState &PFS);
bool ParseCall(Instruction *&I, PerFunctionState &PFS, bool isTail);
int ParseAlloc(Instruction *&I, PerFunctionState &PFS);
- int ParseLoad(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
- int ParseStore(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
+ int ParseLoad(Instruction *&I, PerFunctionState &PFS);
+ int ParseStore(Instruction *&I, PerFunctionState &PFS);
int ParseCmpXchg(Instruction *&I, PerFunctionState &PFS);
int ParseAtomicRMW(Instruction *&I, PerFunctionState &PFS);
int ParseFence(Instruction *&I, PerFunctionState &PFS);