Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/Transforms/Inline/clear-analyses.ll

@@ -0,0 +1,32 @@
+; Test that when a pass like correlated-propagation populates an analysis such
+; as LVI with references back into the IR of a function that the inliner will
+; delete, this doesn't crash or go awry despite the inliner clearing the analyses
+; separately from when it deletes the function.
+;
+; RUN: opt -debug-pass-manager -S < %s 2>&1 \
+; RUN:     -passes='cgscc(inline,function(correlated-propagation))' \
+; RUN:     | FileCheck %s
+;
+; CHECK-LABEL: Starting llvm::Module pass manager run.
+; CHECK: Running pass: InlinerPass on (callee)
+; CHECK: Running pass: CorrelatedValuePropagationPass on callee
+; CHECK: Running analysis: LazyValueAnalysis
+; CHECK: Running pass: InlinerPass on (caller)
+; CHECK: Clearing all analysis results for: callee
+; CHECK: Running pass: CorrelatedValuePropagationPass on caller
+; CHECK: Running analysis: LazyValueAnalysis
+
+define internal i32 @callee(i32 %x) {
+; CHECK-NOT: @callee
+entry:
+  ret i32 %x
+}
+
+define i32 @caller(i32 %x) {
+; CHECK-LABEL: define i32 @caller
+entry:
+  %call = call i32 @callee(i32 %x)
+; CHECK-NOT: call
+  ret i32 %call
+; CHECK: ret i32 %x
+}