6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-06 20:32:19 +00:00
Code Issues Projects Releases Wiki Activity

For PR1093:

Browse Source 
Implement upgrading of the varargs intrinsics. These must now have i8*
arguments. This patch bitcasts arguments to i8* and fixes the prototypes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33163 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-01-13 00:02:00 +00:00
parent 845a4ac983
commit fbb7b69fc6
1 changed files with 34 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
tools/llvm-upgrade/UpgradeParser.y
View File

@ -36,6 +36,10 @@ static uint64_t unique = 1;
// definitions and calls.
static bool AddAttributes = false;
// This is set when a DECLARE keyword is recognized so that subsequent parsing
// of a function prototype can know if its a declaration or definition.
static bool isDeclare = false;
// This bool is used to communicate between the InstVal and Inst rules about
// whether or not a cast should be deleted. When the flag is set, InstVal has
// determined that the cast is a candidate. However, it can only be deleted if
@ -1463,6 +1467,11 @@ ArgList : ArgListH {
FunctionHeaderH
: OptCallingConv TypesV Name '(' ArgList ')' OptSection OptAlign {
if (*$3 == "%llvm.va_start" || *$3 == "%llvm.va_end") {
*$5 = "i8*";
} else if (*$3 == "%llvm.va_copy") {
*$5 = "i8*, i8*";
}
if (!$1->empty()) {
*$1 += " ";
}
@ -1513,13 +1522,14 @@ FnDeclareLinkage
;
FunctionProto
: DECLARE FnDeclareLinkage FunctionHeaderH {
if (!$2->empty())
*$1 += " " + *$2;
*$1 += " " + *$3;
delete $2;
: DECLARE { isDeclare = true; } FnDeclareLinkage FunctionHeaderH {
if (!$3->empty())
*$1 += " " + *$3;
*$1 += " " + *$4;
delete $3;
delete $4;
$$ = $1;
isDeclare = false;
};
//===----------------------------------------------------------------------===//
@ -1876,6 +1886,25 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
*$$.val += (*$6)[1].val->substr(pos+1);
$$.type = TypeInfo::get("bool", BoolTy);
} else {
static unsigned upgradeCount = 1;
if (*$4.val == "%llvm.va_start" || *$4.val == "%llvm.va_end") {
std::string name("%va_upgrade");
name += llvm::utostr(upgradeCount++);
$1->insert(0, name + " = bitcast " + *(*$6)[0].val + " to i8*\n ");
*(*$6)[0].val = "i8* " + name;
(*$6)[0].type = TypeInfo::get("i8", UByteTy)->getPointerType();
} else if (*$4.val == "%llvm.va_copy") {
std::string name0("%va_upgrade");
name0 += llvm::utostr(upgradeCount++);
std::string name1("%va_upgrade");
name1 += llvm::utostr(upgradeCount++);
$1->insert(0, name0 + " = bitcast " + *(*$6)[0].val + " to i8*\n " +
name1 + " = bitcast " + *(*$6)[1].val + " to i8*\n ");
*(*$6)[0].val = "i8* " + name0;
(*$6)[0].type = TypeInfo::get("i8", UByteTy)->getPointerType();
*(*$6)[1].val = "i8* " + name1;
(*$6)[0].type = TypeInfo::get("i8", UByteTy)->getPointerType();
}
if (!$2->empty())
*$1 += " " + *$2;
if (!$1->empty())