The isLive() method can read uninitialized memory, but it still gives correct
results.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108561
91177308-0d34-0410-b5e6-
96231b3b80d8
namespace {
struct FPS : public MachineFunctionPass {
static char ID;
namespace {
struct FPS : public MachineFunctionPass {
static char ID;
- FPS() : MachineFunctionPass(&ID) {}
+ FPS() : MachineFunctionPass(&ID) {
+ // This is really only to keep valgrind quiet.
+ // The logic in isLive() is too much for it.
+ memset(Stack, 0, sizeof(Stack));
+ memset(RegMap, 0, sizeof(RegMap));
+ }
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();