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| author | Duncan Sands <baldrick@free.fr> | 2011-01-30 18:24:20 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2011-01-30 18:24:20 +0000 |
| commit | 7af00c0f6e4a5612a2438269a6f8a71b0ae9190e (patch) | |
| tree | 596576f7d968d8d27fce35adfd8ea828324925e0 /lib/Analysis/InstructionSimplify.cpp | |
| parent | 1895e98ef38afbe011575cc25f4889d96e37421b (diff) | |
| download | llvm-7af00c0f6e4a5612a2438269a6f8a71b0ae9190e.tar.gz llvm-7af00c0f6e4a5612a2438269a6f8a71b0ae9190e.tar.bz2 llvm-7af00c0f6e4a5612a2438269a6f8a71b0ae9190e.tar.xz | |
Commit 124487 broke 254.gap. See if disabling the part that might be triggered
by PR9088 fixes things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124561 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/InstructionSimplify.cpp')
| -rw-r--r-- | lib/Analysis/InstructionSimplify.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/Analysis/InstructionSimplify.cpp b/lib/Analysis/InstructionSimplify.cpp index fcbc6d50ee..a907150b9a 100644 --- a/lib/Analysis/InstructionSimplify.cpp +++ b/lib/Analysis/InstructionSimplify.cpp @@ -804,11 +804,11 @@ static Value *SimplifyDiv(unsigned Opcode, Value *Op0, Value *Op1, Value *X = 0, *Y = 0; if (match(Op0, m_Mul(m_Value(X), m_Value(Y))) && (X == Op1 || Y == Op1)) { if (Y != Op1) std::swap(X, Y); // Ensure expression is (X * Y) / Y, Y = Op1 - BinaryOperator *Mul = cast<BinaryOperator>(Op0); - // If the Mul knows it does not overflow, then we are good to go. - if ((isSigned && Mul->hasNoSignedWrap()) || - (!isSigned && Mul->hasNoUnsignedWrap())) - return X; +// BinaryOperator *Mul = cast<BinaryOperator>(Op0); +// // If the Mul knows it does not overflow, then we are good to go. +// if ((isSigned && Mul->hasNoSignedWrap()) || +// (!isSigned && Mul->hasNoUnsignedWrap())) +// return X; // If X has the form X = A / Y then X * Y cannot overflow. if (BinaryOperator *Div = dyn_cast<BinaryOperator>(X)) if (Div->getOpcode() == Opcode && Div->getOperand(1) == Y) |