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Remove -always-fold-and-in-test.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47871 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-03-04 00:40:35 +00:00
parent 405abffd5e
commit 07b7ea1a48
2 changed files with 3 additions and 10 deletions
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11
lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -44,13 +44,6 @@ using namespace llvm;
STATISTIC(NumFPKill , "Number of FP_REG_KILL instructions added");
STATISTIC(NumLoadMoved, "Number of loads moved below TokenFactor");
namespace {
static cl::opt<bool>
AlwaysFoldAndInTest("always-fold-and-in-test",
cl::desc("Always fold and operation in test"),
cl::init(false), cl::Hidden);
}
//===----------------------------------------------------------------------===//
// Pattern Matcher Implementation
//===----------------------------------------------------------------------===//
@ -433,7 +426,7 @@ void X86DAGToDAGISel::PreprocessForRMW(SelectionDAG &DAG) {
RModW = true;
std::swap(N10, N11);
}
RModW = RModW && N10.Val->isOperand(Chain.Val) && N10.hasOneUse() &&
RModW = RModW && N10.Val->isOperandOf(Chain.Val) && N10.hasOneUse() &&
(N10.getOperand(1) == N2) &&
(N10.Val->getValueType(0) == N1.getValueType());
if (RModW)
@ -452,7 +445,7 @@ void X86DAGToDAGISel::PreprocessForRMW(SelectionDAG &DAG) {
case X86ISD::SHRD: {
SDOperand N10 = N1.getOperand(0);
if (ISD::isNON_EXTLoad(N10.Val))
RModW = N10.Val->isOperand(Chain.Val) && N10.hasOneUse() &&
RModW = N10.Val->isOperandOf(Chain.Val) && N10.hasOneUse() &&
(N10.getOperand(1) == N2) &&
(N10.Val->getValueType(0) == N1.getValueType());
if (RModW)

2
lib/Target/X86/X86InstrInfo.td
View File

@ -255,7 +255,7 @@ def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
// An 'and' node with a single use.
def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
return AlwaysFoldAndInTest || N->hasOneUse();
return N->hasOneUse();
}]>;
//===----------------------------------------------------------------------===//