diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp b/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp index 7ab16f13811..06c3dfdf637 100644 --- a/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp +++ b/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp @@ -141,6 +141,10 @@ static unsigned getNewAlignment(const SCEV *AASCEV, const SCEV *AlignSCEV, const SCEV *PtrSCEV = SE->getSCEV(Ptr); const SCEV *DiffSCEV = SE->getMinusSCEV(PtrSCEV, AASCEV); + // On 32-bit platforms, DiffSCEV might now have type i32 -- we've always + // sign-extended OffSCEV to i64, so make sure they agree again. + DiffSCEV = SE->getNoopOrSignExtend(DiffSCEV, OffSCEV->getType()); + // What we really want to know is the overall offset to the aligned // address. This address is displaced by the provided offset. DiffSCEV = SE->getMinusSCEV(DiffSCEV, OffSCEV); |
