Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/Transforms/Inline/devirtualize-2.ll

@@ -0,0 +1,45 @@
+; RUN: opt < %s -inline -S | FileCheck %s
+; RUN: opt < %s -passes='cgscc(devirt<4>(inline))' -S | FileCheck %s
+; PR4834
+
+define i32 @test1() {
+  %funcall1_ = call fastcc i32 ()* () @f1()
+  %executecommandptr1_ = call i32 %funcall1_()
+  ret i32 %executecommandptr1_
+}
+
+define internal fastcc i32 ()* @f1() nounwind readnone {
+  ret i32 ()* @f2
+}
+
+define internal i32 @f2() nounwind readnone {
+  ret i32 1
+}
+
+; CHECK: @test1()
+; CHECK-NEXT: ret i32 1
+
+
+
+
+
+declare i8* @f1a(i8*) ssp align 2
+
+define internal i32 @f2a(i8* %t) inlinehint ssp {
+entry:
+  ret i32 41
+}
+
+define internal i32 @f3a(i32 (i8*)* %__f) ssp {
+entry:
+  %A = call i32 %__f(i8* undef)
+  ret i32 %A
+}
+
+define i32 @test2(i8* %this) ssp align 2 {
+  %X = call i32 @f3a(i32 (i8*)* @f2a) ssp
+  ret i32 %X
+}
+
+; CHECK-LABEL: @test2(
+; CHECK-NEXT: ret i32 41