aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDan Gohman <gohman@apple.com>2008-10-28 19:08:46 +0000
committerDan Gohman <gohman@apple.com>2008-10-28 19:08:46 +0000
commit71d2e68fd8fb435d7d2c7d01e4d447ee24afeb3f (patch)
treee51e0fbf65e03210a7ed96a877ea8dd624f1e916
parente1211e0e6b262ade92aaccb70aa0aa0bbff5cf76 (diff)
downloadexternal_llvm-71d2e68fd8fb435d7d2c7d01e4d447ee24afeb3f.zip
external_llvm-71d2e68fd8fb435d7d2c7d01e4d447ee24afeb3f.tar.gz
external_llvm-71d2e68fd8fb435d7d2c7d01e4d447ee24afeb3f.tar.bz2
Protect the code for fast-isel debugging with #ifndef NDEBUG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58340 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 4e05814..f502247 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -55,6 +55,7 @@ static cl::opt<bool>
EnableValueProp("enable-value-prop", cl::Hidden);
static cl::opt<bool>
DisableLegalizeTypes("disable-legalize-types", cl::Hidden);
+#ifndef NDEBUG
static cl::opt<bool>
EnableFastISelVerbose("fast-isel-verbose", cl::Hidden,
cl::desc("Enable verbose messages in the \"fast\" "
@@ -62,6 +63,7 @@ EnableFastISelVerbose("fast-isel-verbose", cl::Hidden,
static cl::opt<bool>
EnableFastISelAbort("fast-isel-abort", cl::Hidden,
cl::desc("Enable abort calls when \"fast\" instruction fails"));
+#endif
static cl::opt<bool>
SchedLiveInCopies("schedule-livein-copies",
cl::desc("Schedule copies of livein registers"),
@@ -701,8 +703,10 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
for (Function::arg_iterator I = Fn.arg_begin(), E = Fn.arg_end();
I != E; ++I, ++j)
if (Fn.paramHasAttr(j, Attribute::ByVal)) {
+#ifndef NDEBUG
if (EnableFastISelVerbose || EnableFastISelAbort)
cerr << "FastISel skips entry block due to byval argument\n";
+#endif
SuppressFastISel = true;
break;
}
@@ -766,12 +770,14 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
// feed PHI nodes in successor blocks.
if (isa<TerminatorInst>(BI))
if (!HandlePHINodesInSuccessorBlocksFast(LLVMBB, FastIS)) {
+#ifndef NDEBUG
if (EnableFastISelVerbose || EnableFastISelAbort) {
cerr << "FastISel miss: ";
BI->dump();
}
if (EnableFastISelAbort)
assert(0 && "FastISel didn't handle a PHI in a successor");
+#endif
break;
}
@@ -785,10 +791,12 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
// Then handle certain instructions as single-LLVM-Instruction blocks.
if (isa<CallInst>(BI)) {
+#ifndef NDEBUG
if (EnableFastISelVerbose || EnableFastISelAbort) {
cerr << "FastISel missed call: ";
BI->dump();
}
+#endif
if (BI->getType() != Type::VoidTy) {
unsigned &R = FuncInfo->ValueMap[BI];
@@ -803,6 +811,7 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
continue;
}
+#ifndef NDEBUG
// Otherwise, give up on FastISel for the rest of the block.
// For now, be a little lenient about non-branch terminators.
if (!isa<TerminatorInst>(BI) || isa<BranchInst>(BI)) {
@@ -815,6 +824,7 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
// For the purpose of debugging, just abort.
assert(0 && "FastISel didn't select the entire block");
}
+#endif
break;
}
}