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llvm-c: Make LLVM{Get,Set}Alignment work on {Load,Store}Inst too

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Patch by Peter Zotov

Differential Revision: http://llvm-reviews.chandlerc.com/D1910



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193597 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anders Waldenborg 2013-10-29 09:02:02 +00:00
parent fd4937fe2a
commit 7959f209ba
2 changed files with 49 additions and 6 deletions
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29
include/llvm-c/Core.h
View File

@ -1665,8 +1665,33 @@ const char *LLVMGetSection(LLVMValueRef Global);
void LLVMSetSection(LLVMValueRef Global, const char *Section);
LLVMVisibility LLVMGetVisibility(LLVMValueRef Global);
void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz);
unsigned LLVMGetAlignment(LLVMValueRef Global);
void LLVMSetAlignment(LLVMValueRef Global, unsigned Bytes);
/**
* @defgroup LLVMCCoreValueWithAlignment Values with alignment
*
* Functions in this group only apply to values with alignment, i.e.
* global variables, load and store instructions.
*/
/**
* Obtain the preferred alignment of the value.
* @see llvm::LoadInst::getAlignment()
* @see llvm::StoreInst::getAlignment()
* @see llvm::GlobalValue::getAlignment()
*/
unsigned LLVMGetAlignment(LLVMValueRef V);
/**
* Set the preferred alignment of the value.
* @see llvm::LoadInst::setAlignment()
* @see llvm::StoreInst::setAlignment()
* @see llvm::GlobalValue::setAlignment()
*/
void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes);
/**
* @}
*/
/**
* @defgroup LLVMCoreValueConstantGlobalVariable Global Variables

26
lib/IR/Core.cpp
View File

@ -1240,12 +1240,30 @@ void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz) {
->setVisibility(static_cast<GlobalValue::VisibilityTypes>(Viz));
}
unsigned LLVMGetAlignment(LLVMValueRef Global) {
return unwrap<GlobalValue>(Global)->getAlignment();
/*--.. Operations on global variables, load and store instructions .........--*/
unsigned LLVMGetAlignment(LLVMValueRef V) {
Value *P = unwrap<Value>(V);
if (GlobalValue *GV = dyn_cast<GlobalValue>(P))
return GV->getAlignment();
if (LoadInst *LI = dyn_cast<LoadInst>(P))
return LI->getAlignment();
if (StoreInst *SI = dyn_cast<StoreInst>(P))
return SI->getAlignment();
llvm_unreachable("only GlobalValue, LoadInst and StoreInst have alignment");
}
void LLVMSetAlignment(LLVMValueRef Global, unsigned Bytes) {
unwrap<GlobalValue>(Global)->setAlignment(Bytes);
void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes) {
Value *P = unwrap<Value>(V);
if (GlobalValue *GV = dyn_cast<GlobalValue>(P))
GV->setAlignment(Bytes);
else if (LoadInst *LI = dyn_cast<LoadInst>(P))
LI->setAlignment(Bytes);
else if (StoreInst *SI = dyn_cast<StoreInst>(P))
SI->setAlignment(Bytes);
llvm_unreachable("only GlobalValue, LoadInst and StoreInst have alignment");
}
/*--.. Operations on global variables ......................................--*/