Changes in directory llvm/lib/VMCore:
Instructions.cpp updated: 1.40 -> 1.41
---
Log message:
add a helper method
---
Diffs of the changes: (+16 -0)
Instructions.cpp | 16 ++++++++++++++++
1 files changed, 16 insertions(+)
Index: llvm/lib/VMCore/Instructions.cpp
diff -u llvm/lib/VMCore/Instructions.cpp:1.40
llvm/lib/VMCore/Instructions.cpp:1.41
--- llvm/lib/VMCore/Instructions.cpp:1.40 Sun Sep 17 14:29:56 2006
+++ llvm/lib/VMCore/Instructions.cpp Sun Sep 17 23:54:57 2006
@@ -1151,6 +1151,22 @@
return getOpcode() == Instruction::Shl || getType()->isUnsigned();
}
+//===----------------------------------------------------------------------===//
+// CastInst Class
+//===----------------------------------------------------------------------===//
+
+/// isTruncIntCast - Return true if this is a truncating integer cast
+/// instruction, e.g. a cast from long to uint.
+bool CastInst::isTruncIntCast() const {
+ // The dest type has to be integral, the input has to be integer.
+ if (!getType()->isIntegral() || !getOperand(0)->getType()->isInteger())
+ return false;
+
+ // Has to be large to smaller.
+ return getOperand(0)->getType()->getPrimitiveSizeInBits() >
+ getType()->getPrimitiveSizeInBits();
+}
+
//===----------------------------------------------------------------------===//
// SetCondInst Class
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