[PATCH] D15093: Fix the assert in Annotate the loop in SIAnnotateControlFlow pass when the loop terminator condition is a constant.

[Tom Stellard via llvm-commits]

tstellarAMD added inline comments.

================
Comment at: lib/Target/AMDGPU/SIAnnotateControlFlow.cpp:276-278
@@ +275,5 @@
+  // Insert IfBreak before TERM for constant COND.
+  } else if (isa<ConstantInt>(Cond)) {
+    Value *Args[] = { Cond, Broken };
+    return CallInst::Create(IfBreak, Args, "", Term);
+
----------------
Usually getting a branch on constant in the SIAnnotateControlFlow means that there is a bug in the StructurizeCFG pass.
There is no harm in handling this here, but I think it may just be covering over a bug in the structurizer pass.


http://reviews.llvm.org/D15093