maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

SystemZTargetLowering::lowerDYNAMIC_STACKALLOC - use cast<> instead of dyn_cast<> for dereferenced pointer. NFCI. 

We're immediately dereferencing the casted pointer, so use cast<> which will assert instead of dyn_cast<> which can return null.

Fixes static analyzer warning.
This commit is contained in:
Simon Pilgrim 2021-01-04 18:53:04 +00:00
parent 6725860d21
commit 52e448974b
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
View File

@ -3419,8 +3419,8 @@ lowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) const {
// If user has set the no alignment function attribute, ignore
// alloca alignments.
uint64_t AlignVal = (RealignOpt ?
dyn_cast<ConstantSDNode>(Align)->getZExtValue() : 0);
uint64_t AlignVal =
(RealignOpt ? cast<ConstantSDNode>(Align)->getZExtValue() : 0);
uint64_t StackAlign = TFI->getStackAlignment();
uint64_t RequiredAlign = std::max(AlignVal, StackAlign);