6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-10-01 10:57:21 +00:00
Code Issues Projects Releases Wiki Activity

[RewriteStatepointsForGC] Fix debug assertion during derivable pointer rematerialization

Browse Source 
Correct assertion would be that there is no other uses from chain we are currently cloning. It is ok to have other uses of values not from this chain.

Differential Revision: http://reviews.llvm.org/D9882



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237899 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Igor Laevsky 2015-05-21 13:02:14 +00:00
parent 5ac9604df7
commit 897d9bccdc
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
View File

@ -1944,12 +1944,12 @@ static void rematerializeLiveValues(CallSite CS,
assert(LastValue);
ClonedValue->replaceUsesOfWith(LastValue, LastClonedValue);
#ifndef NDEBUG
// Assert that cloned instruction does not use any instructions
// other than LastClonedValue
for (auto OpValue: ClonedValue->operand_values()) {
if (isa<Instruction>(OpValue))
assert(OpValue == LastClonedValue &&
"unexpected use found in rematerialized value");
// Assert that cloned instruction does not use any instructions from
// this chain other than LastClonedValue
for (auto OpValue : ClonedValue->operand_values()) {
assert(std::find(ChainToBase.begin(), ChainToBase.end(), OpValue) ==
ChainToBase.end() &&
"incorrect use in rematerialization chain");
}
#endif
}