[llvm] [CodeGen] Fix compiler conditional combination (PR #94297)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-selectiondag

Author: Keith Smiley (keith)

<details>
<summary>Changes</summary>

Previously this assumed that `LLVM_ENABLE_ABI_BREAKING_CHECKS` would
always be enabled in this case, if it's not `TTI` does not exist.

Introduced in 7652a59407018c057cdc1163c9f64b5b6f0954eb


---
Full diff: https://github.com/llvm/llvm-project/pull/94297.diff


1 Files Affected:

- (modified) llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp (+2-2) 


``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 91e14af190257..31ba833abe29d 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -536,7 +536,7 @@ void SelectionDAGISel::initializeAnalysisResults(
 
   SP = &FAM.getResult<SSPLayoutAnalysis>(Fn);
 
-#ifndef NDEBUG
+#if !defined(NDEBUG) && LLVM_ENABLE_ABI_BREAKING_CHECKS
   TTI = &FAM.getResult<TargetIRAnalysis>(Fn);
 #endif
 }
@@ -590,7 +590,7 @@ void SelectionDAGISel::initializeAnalysisResults(MachineFunctionPass &MFP) {
 
   SP = &MFP.getAnalysis<StackProtector>().getLayoutInfo();
 
-#ifndef NDEBUG
+#if !defined(NDEBUG) && LLVM_ENABLE_ABI_BREAKING_CHECKS
   TTI = &MFP.getAnalysis<TargetTransformInfoWrapperPass>().getTTI(Fn);
 #endif
 }

``````````

</details>


https://github.com/llvm/llvm-project/pull/94297