Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989
r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50265 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/llvmAsmParser.y b/lib/AsmParser/llvmAsmParser.y
index 27238b6..f3a59ee 100644
--- a/lib/AsmParser/llvmAsmParser.y
+++ b/lib/AsmParser/llvmAsmParser.y
@@ -517,7 +517,7 @@
/// defineBBVal - This is a definition of a new basic block with the specified
/// identifier which must be the same as CurFun.NextValNum, if its numeric.
-static BasicBlock *defineBBVal(const ValID &ID, BasicBlock *unwindDest) {
+static BasicBlock *defineBBVal(const ValID &ID) {
assert(inFunctionScope() && "Can't get basic block at global scope!");
BasicBlock *BB = 0;
@@ -559,7 +559,6 @@
}
ID.destroy();
- BB->setUnwindDest(unwindDest);
return BB;
}
@@ -1063,7 +1062,7 @@
%token OPAQUE EXTERNAL TARGET TRIPLE ALIGN ADDRSPACE
%token DEPLIBS CALL TAIL ASM_TOK MODULE SIDEEFFECT
%token CC_TOK CCC_TOK FASTCC_TOK COLDCC_TOK X86_STDCALLCC_TOK X86_FASTCALLCC_TOK
-%token DATALAYOUT UNWINDS
+%token DATALAYOUT
%type <UIntVal> OptCallingConv
%type <ParamAttrs> OptParamAttrs ParamAttr
%type <ParamAttrs> OptFuncAttrs FuncAttr
@@ -2559,22 +2558,14 @@
CHECK_FOR_ERROR
}
| /* empty */ { // Empty space between instruction lists
- $$ = defineBBVal(ValID::createLocalID(CurFun.NextValNum), 0);
- CHECK_FOR_ERROR
- }
- | UNWINDS TO ValueRef { // Only the unwind to block
- $$ = defineBBVal(ValID::createLocalID(CurFun.NextValNum), getBBVal($3));
+ $$ = defineBBVal(ValID::createLocalID(CurFun.NextValNum));
CHECK_FOR_ERROR
}
| LABELSTR { // Labelled (named) basic block
- $$ = defineBBVal(ValID::createLocalName(*$1), 0);
+ $$ = defineBBVal(ValID::createLocalName(*$1));
delete $1;
CHECK_FOR_ERROR
- }
- | LABELSTR UNWINDS TO ValueRef {
- $$ = defineBBVal(ValID::createLocalName(*$1), getBBVal($4));
- delete $1;
- CHECK_FOR_ERROR
+
};
BBTerminatorInst :