6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-04-07 01:38:26 +00:00
Code Issues Projects Releases Wiki Activity

minor code simplification, no functionality change.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47275 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-02-18 17:47:29 +00:00
parent ea0415957d
commit 913b19f6fc
1 changed files with 6 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
lib/Transforms/Scalar/GVN.cpp
View File

@ -1117,15 +1117,13 @@ bool GVN::processMemCpy(MemCpyInst* M,
// First, we have to check that the dependency is another memcpy
Instruction* dep = MD.getDependency(M);
if (dep == MemoryDependenceAnalysis::None ||
dep == MemoryDependenceAnalysis::NonLocal)
if (dep == MemoryDependenceAnalysis::None ||
dep == MemoryDependenceAnalysis::NonLocal)
return false;
else if (CallInst* C = dyn_cast<CallInst>(dep))
return performReturnSlotOptzn(M, C, toErase);
else if (!isa<MemCpyInst>(dep))
return false;
else if (!isa<MemCpyInst>(dep)) {
if (CallInst* C = dyn_cast<CallInst>(dep))
return performReturnSlotOptzn(M, C, toErase);
else
return false;
}
// We can only transforms memcpy's where the dest of one is the source of the
// other