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 | e5bd3cf0006b7f5ec79533a827f5645197d75d2c (patch) | |
| tree | e9ab76aa7953eb7d3b1fd79ba88b125b63059bef /lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | |
| parent | 30b483c94001927b3593ed200e823104bab51660 (diff) | |
InstCombine: Make sure we use the pre-zext type when creating a constant of a value that is zext'd.
Fixes PR13250.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164377 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineMulDivRem.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp index 2a7182fc1d..3361a1e7fb 100644 --- a/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp +++ b/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()) |