[llvm-commits] CVS: llvm/lib/Support/ConstantRange.cpp
Zhou Sheng
zhousheng00 at gmail.com
Thu Apr 12 22:57:50 PDT 2007
Changes in directory llvm/lib/Support:
ConstantRange.cpp updated: 1.43 -> 1.44
---
Log message:
Make the apint construction more effective.
---
Diffs of the changes: (+3 -3)
ConstantRange.cpp | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
Index: llvm/lib/Support/ConstantRange.cpp
diff -u llvm/lib/Support/ConstantRange.cpp:1.43 llvm/lib/Support/ConstantRange.cpp:1.44
--- llvm/lib/Support/ConstantRange.cpp:1.43 Sat Apr 7 10:41:33 2007
+++ llvm/lib/Support/ConstantRange.cpp Fri Apr 13 00:57:32 2007
@@ -108,7 +108,7 @@
/// ConstantRange.
///
APInt ConstantRange::getSignedMax() const {
- APInt SignedMax = APInt::getSignedMaxValue(getBitWidth());
+ APInt SignedMax(APInt::getSignedMaxValue(getBitWidth()));
if (!isWrappedSet()) {
if (getLower().slt(getUpper() - 1))
return getUpper() - 1;
@@ -130,7 +130,7 @@
/// ConstantRange.
///
APInt ConstantRange::getSignedMin() const {
- APInt SignedMin = APInt::getSignedMinValue(getBitWidth());
+ APInt SignedMin(APInt::getSignedMinValue(getBitWidth()));
if (!isWrappedSet()) {
if (getLower().slt(getUpper() - 1))
return getLower();
@@ -370,7 +370,7 @@
ConstantRange ConstantRange::truncate(uint32_t DstTySize) const {
unsigned SrcTySize = getBitWidth();
assert(SrcTySize > DstTySize && "Not a value truncation");
- APInt Size = APInt::getMaxValue(DstTySize).zext(SrcTySize);
+ APInt Size(APInt::getLowBitsSet(SrcTySize, DstTySize));
if (isFullSet() || getSetSize().ugt(Size))
return ConstantRange(DstTySize);
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