[CodeGenPrepare] Fix r265264.
The case where there was no TargetLowering was not handled,
leading to null pointer dereferences.
llvm-svn: 265265
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index afd37a0..ba68a4e 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -910,8 +910,8 @@
return MadeChange;
}
-static bool OptimizeCmpExpression(CmpInst *CI, const TargetLowering &TLI) {
- if (SinkCmpExpression(CI, TLI))
+static bool OptimizeCmpExpression(CmpInst *CI, const TargetLowering *TLI) {
+ if (TLI && SinkCmpExpression(CI, *TLI))
return true;
if (CombineUAddWithOverflow(CI))
@@ -5177,7 +5177,7 @@
if (CmpInst *CI = dyn_cast<CmpInst>(I))
if (!TLI || !TLI->hasMultipleConditionRegisters())
- return OptimizeCmpExpression(CI, *TLI);
+ return OptimizeCmpExpression(CI, TLI);
if (LoadInst *LI = dyn_cast<LoadInst>(I)) {
stripInvariantGroupMetadata(*LI);