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Add a DebugLoc parameter to TargetInstrInfo::InsertBranch(). This

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addresses a longstanding deficiency noted in many FIXMEs scattered
across all the targets.

This effectively moves the problem up one level, replacing eleven
FIXMEs in the targets with eight FIXMEs in CodeGen, plus one path
through FastISel where we actually supply a DebugLoc, fixing Radar
7421831.

llvm-svn: 106243
This commit is contained in:
Stuart Hastings
2010-06-17 22:43:56 +00:00
parent 6fdb139cdd
commit 0125b6410a
34 changed files with 137 additions and 126 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
llvm/lib/CodeGen/IfConversion.cpp
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@@ -395,9 +395,10 @@ static MachineBasicBlock *findFalseBlock(MachineBasicBlock *BB,
/// ReverseBranchCondition - Reverse the condition of the end of the block
/// branch. Swap block's 'true' and 'false' successors.
bool IfConverter::ReverseBranchCondition(BBInfo &BBI) {
DebugLoc dl; // FIXME: this is nowhere
if (!TII->ReverseBranchCondition(BBI.BrCond)) {
TII->RemoveBranch(*BBI.BB);
TII->InsertBranch(*BBI.BB, BBI.FalseBB, BBI.TrueBB, BBI.BrCond);
TII->InsertBranch(*BBI.BB, BBI.FalseBB, BBI.TrueBB, BBI.BrCond, dl);
std::swap(BBI.TrueBB, BBI.FalseBB);
return true;
}
@@ -862,8 +863,9 @@ void IfConverter::InvalidatePreds(MachineBasicBlock *BB) {
///
static void InsertUncondBranch(MachineBasicBlock *BB, MachineBasicBlock *ToBB,
const TargetInstrInfo *TII) {
DebugLoc dl; // FIXME: this is nowhere
SmallVector<MachineOperand, 0> NoCond;
TII->InsertBranch(*BB, ToBB, NULL, NoCond);
TII->InsertBranch(*BB, ToBB, NULL, NoCond, dl);
}
/// RemoveExtraEdges - Remove true / false edges if either / both are no longer
@@ -1014,6 +1016,7 @@ bool IfConverter::IfConvertTriangle(BBInfo &BBI, IfcvtKind Kind) {
BBInfo &FalseBBI = BBAnalysis[BBI.FalseBB->getNumber()];
BBInfo *CvtBBI = &TrueBBI;
BBInfo *NextBBI = &FalseBBI;
DebugLoc dl; // FIXME: this is nowhere
SmallVector<MachineOperand, 4> Cond(BBI.BrCond.begin(), BBI.BrCond.end());
if (Kind == ICTriangleFalse || Kind == ICTriangleFRev)
@@ -1078,7 +1081,7 @@ bool IfConverter::IfConvertTriangle(BBInfo &BBI, IfcvtKind Kind) {
CvtBBI->BrCond.end());
if (TII->ReverseBranchCondition(RevCond))
assert(false && "Unable to reverse branch condition!");
TII->InsertBranch(*BBI.BB, CvtBBI->FalseBB, NULL, RevCond);
TII->InsertBranch(*BBI.BB, CvtBBI->FalseBB, NULL, RevCond, dl);
BBI.BB->addSuccessor(CvtBBI->FalseBB);
}