Changes in directory llvm/lib/VMCore:
ConstantFolding.cpp updated: 1.104 -> 1.105
---
Log message:
These should be rewritten to fold without using the 'Rules' mechanism, but
until this happens at least make sext from bool and sitofp from bool do the
right thing.
---
Diffs of the changes: (+3 -0)
ConstantFolding.cpp | 3 +++
1 files changed, 3 insertions(+)
Index: llvm/lib/VMCore/ConstantFolding.cpp
diff -u llvm/lib/VMCore/ConstantFolding.cpp:1.104
llvm/lib/VMCore/ConstantFolding.cpp:1.105
--- llvm/lib/VMCore/ConstantFolding.cpp:1.104 Fri Dec 1 13:22:41 2006
+++ llvm/lib/VMCore/ConstantFolding.cpp Fri Dec 1 13:50:54 2006
@@ -890,6 +890,9 @@
if (isa<ConstantInt>(V))
V = ConstantInt::get(SrcTy->getSignedVersion(),
cast<ConstantIntegral>(V)->getSExtValue());
+ else if (const ConstantBool *CB = dyn_cast<ConstantBool>(V))
+ V = ConstantInt::get(Type::SByteTy, CB->getValue() ? -1 : 0);
+
break;
case Instruction::Trunc:
// We just handle trunc directly here. The code below doesn't work for
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