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| author | Jay Foad <jay.foad@gmail.com> | 2011-04-11 09:25:51 +0000 |
|---|---|---|
| committer | Jay Foad <jay.foad@gmail.com> | 2011-04-11 09:25:51 +0000 |
| commit | 29426e87c17c523e220c93ba0b063fa6427c2565 (patch) | |
| tree | 366912ed71a9649669a61ea6caad48a15469a9dc /llvm/lib | |
| parent | 2d2e870745c22a05a173e1fcec85e57535b5314b (diff) | |
| download | bcm5719-llvm-29426e87c17c523e220c93ba0b063fa6427c2565.tar.gz bcm5719-llvm-29426e87c17c523e220c93ba0b063fa6427c2565.zip | |
Phi nodes always use an even number of operands, so don't ever allocate
an odd number.
llvm-svn: 129270
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/VMCore/Instructions.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/VMCore/Instructions.cpp b/llvm/lib/VMCore/Instructions.cpp index 33dfcc032af..61da9b6b8e0 100644 --- a/llvm/lib/VMCore/Instructions.cpp +++ b/llvm/lib/VMCore/Instructions.cpp @@ -137,7 +137,8 @@ Value *PHINode::removeIncomingValue(unsigned Idx, bool DeletePHIIfEmpty) { /// void PHINode::growOperands() { unsigned e = getNumOperands(); - unsigned NumOps = e*3/2; + // Multiply by 1.5 and round down so the result is still even. + unsigned NumOps = e + e / 4 * 2; if (NumOps < 4) NumOps = 4; // 4 op PHI nodes are VERY common. ReservedSpace = NumOps; |
