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Store the global variable that's created so that it's reclaimed afterwards.

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This plugs a memory leak in ARM's FastISel by storing the GV in Module so that
it's reclaimed.
PR17978

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198160 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2013-12-29 08:00:04 +00:00
parent 827176c80c
commit c956500eb6
1 changed files with 3 additions and 1 deletions
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4
lib/Target/ARM/ARMFastISel.cpp
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@ -77,6 +77,7 @@ class ARMFastISel : public FastISel {
/// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
/// make the right decision when generating code for different targets.
Module &M;
const ARMSubtarget *Subtarget;
const TargetMachine &TM;
const TargetInstrInfo &TII;
@ -91,6 +92,7 @@ class ARMFastISel : public FastISel {
explicit ARMFastISel(FunctionLoweringInfo &funcInfo,
const TargetLibraryInfo *libInfo)
: FastISel(funcInfo, libInfo),
M(const_cast<Module&>(*funcInfo.Fn->getParent())),
TM(funcInfo.MF->getTarget()),
TII(*TM.getInstrInfo()),
TLI(*TM.getTargetLowering()) {
@ -2244,7 +2246,7 @@ unsigned ARMFastISel::getLibcallReg(const Twine &Name) {
EVT LCREVT = TLI.getValueType(GVTy);
if (!LCREVT.isSimple()) return 0;
GlobalValue *GV = new GlobalVariable(Type::getInt32Ty(*Context), false,
GlobalValue *GV = new GlobalVariable(M, Type::getInt32Ty(*Context), false,
GlobalValue::ExternalLinkage, 0, Name);
assert(GV->getType() == GVTy && "We miscomputed the type for the global!");
return ARMMaterializeGV(GV, LCREVT.getSimpleVT());