diff options
| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-09-21 16:26:41 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-09-21 16:26:41 +0000 |
| commit | efb4d34bcf83191cac46e346af323b5a8b21c823 (patch) | |
| tree | ecc83395b99d3d209697ea46a71359b800177e10 /llvm/lib/Transforms | |
| parent | 29ebecb11ab538cab4247a064fba51e61f0a2b9c (diff) | |
| download | bcm5719-llvm-efb4d34bcf83191cac46e346af323b5a8b21c823.tar.gz bcm5719-llvm-efb4d34bcf83191cac46e346af323b5a8b21c823.zip | |
InstCombine: Make sure we use the pre-zext type when creating a constant of a value that is zext'd.
Fixes PR13250.
llvm-svn: 164377
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp index 2a7182fc1d4..3361a1e7fbe 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp @@ -477,7 +477,8 @@ Instruction *InstCombiner::visitUDiv(BinaryOperator &I) { if (match(Op1, m_Shl(m_Power2(CI), m_Value(N))) || match(Op1, m_ZExt(m_Shl(m_Power2(CI), m_Value(N))))) { if (*CI != 1) - N = Builder->CreateAdd(N, ConstantInt::get(I.getType(),CI->logBase2())); + N = Builder->CreateAdd(N, + ConstantInt::get(N->getType(), CI->logBase2())); if (ZExtInst *Z = dyn_cast<ZExtInst>(Op1)) N = Builder->CreateZExt(N, Z->getDestTy()); if (I.isExact()) |
