Use pre-inc, pre-dec when possible.
They are generally faster (at least not slower) than post-inc, post-dec.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177608 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/IR/Instructions.cpp b/lib/IR/Instructions.cpp
index 2e3a525..d58877e 100644
--- a/lib/IR/Instructions.cpp
+++ b/lib/IR/Instructions.cpp
@@ -3000,8 +3000,8 @@
uint32_t BitWidth = C.getBitWidth();
switch (pred) {
default: llvm_unreachable("Invalid ICmp opcode to ConstantRange ctor!");
- case ICmpInst::ICMP_EQ: Upper++; break;
- case ICmpInst::ICMP_NE: Lower++; break;
+ case ICmpInst::ICMP_EQ: ++Upper; break;
+ case ICmpInst::ICMP_NE: ++Lower; break;
case ICmpInst::ICMP_ULT:
Lower = APInt::getMinValue(BitWidth);
// Check for an empty-set condition.
@@ -3015,25 +3015,25 @@
return ConstantRange(BitWidth, /*isFullSet=*/false);
break;
case ICmpInst::ICMP_UGT:
- Lower++; Upper = APInt::getMinValue(BitWidth); // Min = Next(Max)
+ ++Lower; Upper = APInt::getMinValue(BitWidth); // Min = Next(Max)
// Check for an empty-set condition.
if (Lower == Upper)
return ConstantRange(BitWidth, /*isFullSet=*/false);
break;
case ICmpInst::ICMP_SGT:
- Lower++; Upper = APInt::getSignedMinValue(BitWidth); // Min = Next(Max)
+ ++Lower; Upper = APInt::getSignedMinValue(BitWidth); // Min = Next(Max)
// Check for an empty-set condition.
if (Lower == Upper)
return ConstantRange(BitWidth, /*isFullSet=*/false);
break;
case ICmpInst::ICMP_ULE:
- Lower = APInt::getMinValue(BitWidth); Upper++;
+ Lower = APInt::getMinValue(BitWidth); ++Upper;
// Check for a full-set condition.
if (Lower == Upper)
return ConstantRange(BitWidth, /*isFullSet=*/true);
break;
case ICmpInst::ICMP_SLE:
- Lower = APInt::getSignedMinValue(BitWidth); Upper++;
+ Lower = APInt::getSignedMinValue(BitWidth); ++Upper;
// Check for a full-set condition.
if (Lower == Upper)
return ConstantRange(BitWidth, /*isFullSet=*/true);
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index 07cb057..e853475 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -559,12 +559,12 @@
if (lhsNeg) {
// Sign bit is set so perform two's complement to make it positive
lhs.flipAllBits();
- lhs++;
+ ++lhs;
}
if (rhsNeg) {
// Sign bit is set so perform two's complement to make it positive
rhs.flipAllBits();
- rhs++;
+ ++rhs;
}
// Now we have unsigned values to compare so do the comparison if necessary
@@ -2116,7 +2116,7 @@
}
// If its negative, put it in two's complement form
if (isNeg) {
- (*this)--;
+ --(*this);
this->flipAllBits();
}
}
@@ -2197,7 +2197,7 @@
// Flip the bits and add one to turn it into the equivalent positive
// value and put a '-' in the result.
Tmp.flipAllBits();
- Tmp++;
+ ++Tmp;
Str.push_back('-');
}