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);