Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/Transforms/Inline/blockaddress.ll

@@ -0,0 +1,51 @@
+; RUN: opt -inline -S < %s | FileCheck %s
+; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
+; PR10162
+
+; Make sure doit is not inlined since the blockaddress is taken
+; which could be unsafe
+; CHECK: store i8* blockaddress(@doit, %here), i8** %pptr, align 8
+
+@i = global i32 1, align 4
+@ptr1 = common global i8* null, align 8
+
+define void @doit(i8** nocapture %pptr, i32 %cond) nounwind uwtable {
+entry:
+  %tobool = icmp eq i32 %cond, 0
+  br i1 %tobool, label %if.end, label %here
+
+here:
+  store i8* blockaddress(@doit, %here), i8** %pptr, align 8
+  br label %if.end
+
+if.end:
+  ret void
+}
+
+define void @f(i32 %cond) nounwind uwtable {
+entry:
+  call void @doit(i8** @ptr1, i32 %cond)
+  ret void
+}
+
+; PR27233: We can inline @run into @init.  Don't crash on it.
+;
+; CHECK-LABEL: define void @init
+; CHECK:         store i8* blockaddress(@run, %bb)
+; CHECK-SAME:        @run.bb
+define void @init() {
+entry:
+  call void @run()
+  ret void
+}
+
+define void @run() {
+entry:
+  store i8* blockaddress(@run, %bb), i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @run.bb, i64 0, i64 0), align 8
+  ret void
+
+bb:
+  unreachable
+}
+
+@run.bb = global [1 x i8*] zeroinitializer