Imported Upstream version 5.18.0.225

Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5

external/llvm/test/Analysis/CallGraph/2008-09-09-DirectCall.ll

@@ -0,0 +1,17 @@
+; RUN: opt < %s -print-callgraph -disable-output 2>&1 | FileCheck %s
+
+; CHECK: Call graph node <<null function>>
+; CHECK:  CS<{{.*}}> calls function 'callee'
+; CHECK: Call graph node for function: 'caller'
+; CHECK:  CS<{{.*}}> calls function 'callee'
+
+define internal void @callee(...) {
+entry:
+	unreachable
+}
+
+define void @caller() {
+entry:
+	call void (...) @callee( void (...)* @callee )
+	unreachable
+}

external/llvm/test/Analysis/CallGraph/2008-09-09-UsedByGlobal.ll

@@ -0,0 +1,9 @@
+; RUN: opt < %s -print-callgraph -disable-output 2>&1 | FileCheck %s
+
+@a = global void ()* @f		; <void ()**> [#uses=0]
+
+; CHECK: calls function 'f'
+
+define internal void @f() {
+	unreachable
+}

external/llvm/test/Analysis/CallGraph/do-nothing-intrinsic.ll

@@ -0,0 +1,13 @@
+; RUN: opt < %s -basiccg
+; PR13903
+
+define void @main() personality i8 0 {
+  invoke void @llvm.donothing()
+          to label %ret unwind label %unw
+unw:
+  %tmp = landingpad i8 cleanup
+  br label %ret
+ret:
+  ret void
+}
+declare void @llvm.donothing() nounwind readnone

external/llvm/test/Analysis/CallGraph/no-intrinsics.ll

@@ -0,0 +1,14 @@
+; RUN: opt < %s -print-callgraph -disable-output 2>&1 | FileCheck %s
+; RUN: opt < %s -passes=print-callgraph -disable-output 2>&1 | FileCheck %s
+
+; Check that intrinsics aren't added to the call graph
+
+declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
+
+define void @f(i8* %out, i8* %in) {
+  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %out, i8* %in, i32 100, i32 4, i1 false)
+  ret void
+}
+
+; CHECK: Call graph node for function: 'f'
+; CHECK-NOT: calls function 'llvm.memcpy.p0i8.p0i8.i32'

external/llvm/test/Analysis/CallGraph/non-leaf-intrinsics.ll

@@ -0,0 +1,32 @@
+; RUN: opt -S -print-callgraph -disable-output < %s 2>&1 | FileCheck %s
+
+declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+
+define private void @f() {
+  ret void
+}
+
+define void @calls_statepoint(i8 addrspace(1)* %arg) gc "statepoint-example" {
+entry:
+  %cast = bitcast i8 addrspace(1)* %arg to i64 addrspace(1)*
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @f, i32 0, i32 0, i32 0, i32 5, i32 0, i32 0, i32 0, i32 10, i32 0, i8 addrspace(1)* %arg, i64 addrspace(1)* %cast, i8 addrspace(1)* %arg, i8 addrspace(1)* %arg)
+  ret void
+}
+
+define void @calls_patchpoint() {
+entry:
+  %c = bitcast void()* @f to i8*
+  tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 1, i32 15, i8* %c, i32 0, i16 65535, i16 -1, i32 65536, i32 2000000000, i32 2147483647, i32 -1, i32 4294967295, i32 4294967296, i64 2147483648, i64 4294967295, i64 4294967296, i64 -1)
+  ret void
+}
+
+
+; CHECK: Call graph node <<null function>>
+; CHECK:  CS<0x0> calls function 'f'
+
+; CHECK: Call graph node for function: 'calls_patchpoint'
+; CHECK-NEXT:  CS<[[addr_1:[^>]+]]> calls external node
+
+; CHECK: Call graph node for function: 'calls_statepoint'
+; CHECK-NEXT:  CS<[[addr_0:[^>]+]]> calls external node