[llvm-commits] CVS: llvm/lib/Bytecode/Reader/ReaderWrappers.cpp
Andrew Lenharth
alenhar2 at cs.uiuc.edu
Wed Jun 22 14:04:57 PDT 2005
Changes in directory llvm/lib/Bytecode/Reader:
ReaderWrappers.cpp updated: 1.49 -> 1.50
---
Log message:
If we support structs as va_list, we must pass pointers to them to va_copy
See last commit for LangRef, this implements it on all targets.
---
Diffs of the changes: (+8 -4)
ReaderWrappers.cpp | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
Index: llvm/lib/Bytecode/Reader/ReaderWrappers.cpp
diff -u llvm/lib/Bytecode/Reader/ReaderWrappers.cpp:1.49 llvm/lib/Bytecode/Reader/ReaderWrappers.cpp:1.50
--- llvm/lib/Bytecode/Reader/ReaderWrappers.cpp:1.49 Sun Jun 19 09:04:55 2005
+++ llvm/lib/Bytecode/Reader/ReaderWrappers.cpp Wed Jun 22 16:04:42 2005
@@ -221,20 +221,24 @@
//foo = vacopy(bar)
// ->
//a = alloca 1 of typeof(foo)
- //vacopy(a, bar)
+ //b = alloca 1 of typeof(foo)
+ //store bar -> b
+ //vacopy(a, b)
//foo = load a
const Type* RetTy = Type::getPrimitiveType(Type::VoidTyID);
const Type* ArgTy = F->getFunctionType()->getReturnType();
const Type* ArgTyPtr = PointerType::get(ArgTy);
Function* NF = M->getOrInsertFunction("llvm.va_copy",
- RetTy, ArgTyPtr, ArgTy, 0);
+ RetTy, ArgTyPtr, ArgTyPtr, 0);
for(Value::use_iterator I = F->use_begin(), E = F->use_end(); I != E;)
if (CallInst* CI = dyn_cast<CallInst>(*I++)) {
AllocaInst* a = new AllocaInst(ArgTy, 0, "vacopy.fix.1", CI);
- new CallInst(NF, a, CI->getOperand(1), "", CI);
- Value* foo = new LoadInst(a, "vacopy.fix.2", CI);
+ AllocaInst* b = new AllocaInst(ArgTy, 0, "vacopy.fix.2", CI);
+ new StoreInst(CI->getOperand(1), b, CI);
+ new CallInst(NF, a, b, "", CI);
+ Value* foo = new LoadInst(a, "vacopy.fix.3", CI);
CI->replaceAllUsesWith(foo);
CI->getParent()->getInstList().erase(CI);
}
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