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rotate CallInst operands, i.e. move callee to the back

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of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101364 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2010-04-15 10:49:53 +00:00
parent e6987587d6
commit 165dac08d1
43 changed files with 578 additions and 587 deletions
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lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+6 -7
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@@ -31,7 +31,6 @@
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetFrameInfo.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetIntrinsicInfo.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Support/Compiler.h"
@@ -310,7 +309,7 @@ GlobalVariable *llvm::ExtractTypeInfo(Value *V) {
void llvm::AddCatchInfo(const CallInst &I, MachineModuleInfo *MMI,
MachineBasicBlock *MBB) {
// Inform the MachineModuleInfo of the personality for this landing pad.
const ConstantExpr *CE = cast<ConstantExpr>(I.getOperand(2));
const ConstantExpr *CE = cast<ConstantExpr>(I.getOperand(1));
assert(CE->getOpcode() == Instruction::BitCast &&
isa<Function>(CE->getOperand(0)) &&
"Personality should be a function");
@@ -319,9 +318,9 @@ void llvm::AddCatchInfo(const CallInst &I, MachineModuleInfo *MMI,
// Gather all the type infos for this landing pad and pass them along to
// MachineModuleInfo.
std::vector<const GlobalVariable *> TyInfo;
unsigned N = I.getNumOperands();
unsigned N = I.getNumOperands() - 1;
for (unsigned i = N - 1; i > 2; --i) {
for (unsigned i = N - 1; i > 1; --i) {
if (const ConstantInt *CI = dyn_cast<ConstantInt>(I.getOperand(i))) {
unsigned FilterLength = CI->getZExtValue();
unsigned FirstCatch = i + FilterLength + !FilterLength;
@@ -351,9 +350,9 @@ void llvm::AddCatchInfo(const CallInst &I, MachineModuleInfo *MMI,
}
}
if (N > 3) {
TyInfo.reserve(N - 3);
for (unsigned j = 3; j < N; ++j)
if (N > 2) {
TyInfo.reserve(N - 2);
for (unsigned j = 2; j < N - 1; ++j)
TyInfo.push_back(ExtractTypeInfo(I.getOperand(j)));
MMI->addCatchTypeInfo(MBB, TyInfo);
}