6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-25 21:18:19 +00:00
Code Issues Projects Releases Wiki Activity

Update GC intrinsics to take a pointer to the object as well as a pointer

Browse Source 
to the field being updated.  Patch contributed by Tobias Nurmiranta


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15097 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-07-22 05:51:13 +00:00
parent 9545a1797b
commit 93c9587fbb
3 changed files with 12 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/Transforms/Scalar/LowerGC.cpp
+8 -5
View File
@@ -109,10 +109,10 @@ bool LowerGC::doInitialization(Module &M) {
// If the program is using read/write barriers, find the implementations of
// them from the GC runtime library.
if (GCReadInt) // Make: sbyte* %llvm_gc_read(sbyte**)
GCRead = M.getOrInsertFunction("llvm_gc_read", VoidPtr, VoidPtrPtr, 0);
GCRead = M.getOrInsertFunction("llvm_gc_read", VoidPtr, VoidPtr, VoidPtrPtr, 0);
if (GCWriteInt) // Make: void %llvm_gc_write(sbyte*, sbyte**)
GCWrite = M.getOrInsertFunction("llvm_gc_write", Type::VoidTy,
VoidPtr, VoidPtrPtr, 0);
VoidPtr, VoidPtr, VoidPtrPtr, 0);
// If the program has GC roots, get or create the global root list.
if (GCRootInt) {
@@ -182,14 +182,17 @@ bool LowerGC::runOnFunction(Function &F) {
CI->setOperand(0, GCWrite);
// Insert casts of the operands as needed.
Coerce(CI, 1, VoidPtr);
Coerce(CI, 2, VoidPtrPtr);
Coerce(CI, 2, VoidPtr);
Coerce(CI, 3, VoidPtrPtr);
} else {
Coerce(CI, 1, VoidPtrPtr);
Coerce(CI, 1, VoidPtr);
Coerce(CI, 2, VoidPtrPtr);
if (CI->getType() == VoidPtr) {
CI->setOperand(0, GCRead);
} else {
// Create a whole new call to replace the old one.
CallInst *NC = new CallInst(GCRead, CI->getOperand(1),
CallInst *NC = new CallInst(GCRead, CI->getOperand(1),
CI->getOperand(2),
CI->getName(), CI);
Value *NV = new CastInst(NC, CI->getType(), "", CI);
CI->replaceAllUsesWith(NV);