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simplify some code using new predicates

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45689 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-01-07 05:40:58 +00:00
parent 13cea0bcef
commit f86e1df877
2 changed files with 21 additions and 24 deletions
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40
lib/CodeGen/IfConversion.cpp
View File

@ -26,26 +26,24 @@
#include "llvm/ADT/STLExtras.h"
using namespace llvm;
namespace {
// Hidden options for help debugging.
cl::opt<int> IfCvtFnStart("ifcvt-fn-start", cl::init(-1), cl::Hidden);
cl::opt<int> IfCvtFnStop("ifcvt-fn-stop", cl::init(-1), cl::Hidden);
cl::opt<int> IfCvtLimit("ifcvt-limit", cl::init(-1), cl::Hidden);
cl::opt<bool> DisableSimple("disable-ifcvt-simple",
cl::init(false), cl::Hidden);
cl::opt<bool> DisableSimpleF("disable-ifcvt-simple-false",
cl::init(false), cl::Hidden);
cl::opt<bool> DisableTriangle("disable-ifcvt-triangle",
cl::init(false), cl::Hidden);
cl::opt<bool> DisableTriangleR("disable-ifcvt-triangle-rev",
cl::init(false), cl::Hidden);
cl::opt<bool> DisableTriangleF("disable-ifcvt-triangle-false",
cl::init(false), cl::Hidden);
cl::opt<bool> DisableTriangleFR("disable-ifcvt-triangle-false-rev",
cl::init(false), cl::Hidden);
cl::opt<bool> DisableDiamond("disable-ifcvt-diamond",
cl::init(false), cl::Hidden);
}
// Hidden options for help debugging.
static cl::opt<int> IfCvtFnStart("ifcvt-fn-start", cl::init(-1), cl::Hidden);
static cl::opt<int> IfCvtFnStop("ifcvt-fn-stop", cl::init(-1), cl::Hidden);
static cl::opt<int> IfCvtLimit("ifcvt-limit", cl::init(-1), cl::Hidden);
static cl::opt<bool> DisableSimple("disable-ifcvt-simple",
cl::init(false), cl::Hidden);
static cl::opt<bool> DisableSimpleF("disable-ifcvt-simple-false",
cl::init(false), cl::Hidden);
static cl::opt<bool> DisableTriangle("disable-ifcvt-triangle",
cl::init(false), cl::Hidden);
static cl::opt<bool> DisableTriangleR("disable-ifcvt-triangle-rev",
cl::init(false), cl::Hidden);
static cl::opt<bool> DisableTriangleF("disable-ifcvt-triangle-false",
cl::init(false), cl::Hidden);
static cl::opt<bool> DisableTriangleFR("disable-ifcvt-triangle-false-rev",
cl::init(false), cl::Hidden);
static cl::opt<bool> DisableDiamond("disable-ifcvt-diamond",
cl::init(false), cl::Hidden);
STATISTIC(NumSimple, "Number of simple if-conversions performed");
STATISTIC(NumSimpleFalse, "Number of simple (F) if-conversions performed");
@ -555,7 +553,7 @@ void IfConverter::ScanInstructions(BBInfo &BBI) {
BBI.CannotBeCopied = true;
bool isPredicated = TII->isPredicated(I);
bool isCondBr = BBI.IsBrAnalyzable && TID->isBranch() && !TID->isBarrier();
bool isCondBr = BBI.IsBrAnalyzable && TID->isConditionalBranch();
if (!isCondBr) {
if (!isPredicated)

5
lib/CodeGen/LiveIntervalAnalysis.cpp
View File

@ -616,8 +616,7 @@ bool LiveIntervals::isReMaterializable(const LiveInterval &li,
isLoad = false;
const TargetInstrDescriptor *TID = MI->getDesc();
if ((TID->Flags & M_IMPLICIT_DEF_FLAG) ||
tii_->isTriviallyReMaterializable(MI)) {
if (TID->isImplicitDef() || tii_->isTriviallyReMaterializable(MI)) {
isLoad = TID->isSimpleLoad();
return true;
}
@ -682,7 +681,7 @@ bool LiveIntervals::tryFoldMemoryOperand(MachineInstr* &MI,
unsigned MRInfo = 0;
const TargetInstrDescriptor *TID = MI->getDesc();
// If it is an implicit def instruction, just delete it.
if (TID->Flags & M_IMPLICIT_DEF_FLAG) {
if (TID->isImplicitDef()) {
RemoveMachineInstrFromMaps(MI);
vrm.RemoveMachineInstrFromMaps(MI);
MI->eraseFromParent();