Follow on to rL324854 (Added tests)

llvm-svn: 324859

diff --git a/llvm/test/ThinLTO/X86/module_summary_graph_traits.ll b/llvm/test/ThinLTO/X86/module_summary_graph_traits.ll
new file mode 100644 (file)
index 0000000..d2f1dfb
--- /dev/null
+++ b/llvm/test/ThinLTO/X86/module_summary_graph_traits.ll
@@ -0,0 +1,58 @@
+; RUN: opt -module-summary %s -o %t1.bc
+; RUN: llvm-lto2 run -print-summary-global-ids -dump-thin-cg-sccs %t1.bc -o %t.index.bc \
+; RUN:     -r %t1.bc,external,px -r %t1.bc,l2,pl -r %t1.bc,l1,pl \
+; RUN:     -r %t1.bc,simple,pl -r %t1.bc,root,pl 2>&1 | FileCheck %s
+
+; CHECK: 5224464028922159466{{.*}} is external
+; CHECK: 765152853862302398{{.*}} is l2
+; CHECK: 17000277804057984823{{.*}} is l1
+; CHECK: 15440740835768581517{{.*}} is simple
+; CHECK: 5800840261926955363{{.*}} is root
+
+; CHECK: SCC (2 nodes) {
+; CHECK-NEXT: {{^}} 17000277804057984823 (has loop)
+; CHECK-NEXT: {{^}} 765152853862302398 (has loop)
+; CHECK-NEXT: }
+
+; CHECK: SCC (1 node) {
+; CHECK-NEXT: {{^}} 15440740835768581517{{$}}
+; CHECK-NEXT: }
+
+; CHECK: SCC (1 node) {
+; CHECK-NEXT: External 5224464028922159466{{$}}
+; CHECK-NEXT: }
+
+; CHECK: SCC (1 node) {
+; CHECK-NEXT: {{^}} 5800840261926955363{{$}}
+; CHECK-NEXT: }
+
+; Dummy call graph root that points at all roots of the callgraph.
+; CHECK: SCC (1 node) {
+; CHECK-NEXT: {{^}} 0{{$}}
+; CHECK-NEXT: }
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+declare void @external()
+
+define void @l2() {
+  call void @l1()
+  ret void
+}
+
+define void @l1() {
+  call void @l2()
+  ret void
+}
+
+define i32 @simple() {
+  ret i32 23
+}
+
+define void @root() {
+  call void @l1()
+  call i32 @simple()
+  call void @external()
+  ret void
+}