1 files changed, 49 insertions, 0 deletions
diff --git a/llvm/test/Transforms/HotColdSplit/outline-inner-region.ll b/llvm/test/Transforms/HotColdSplit/outline-inner-region.ll
new file mode 100644
index 0000000..73398bf
--- /dev/null
+++ b/llvm/test/Transforms/HotColdSplit/outline-inner-region.ll
@@ -0,0 +1,49 @@
+; RUN: opt -S -passes=hotcoldsplit -hotcoldsplit-max-params=1 < %s | FileCheck %s
+
+target datalayout = "E-m:a-p:32:32-i64:64-n32"
+target triple = "powerpc64-ibm-aix7.2.0.0"
+
+define void @foo(i32 %cond) {
+; CHECK-LABEL: define {{.*}}@foo(
+; CHECK:       if.then:
+; CHECK:       br i1 {{.*}}, label %if.then1, label %codeRepl
+; CHECK-LABEL: codeRepl:
+; CHECK-NEXT:  call void @foo.cold.1
+;
+entry:
+  %cond.addr = alloca i32
+  store i32 %cond, ptr %cond.addr
+  %0 = load i32, ptr %cond.addr
+  %tobool = icmp ne i32 %0, 0
+  br i1 %tobool, label %if.then, label %if.end2
+
+if.then:                                          ; preds = %entry
+  %1 = load i32, ptr %cond.addr
+  call void @sink(i32 %0)
+  %cmp = icmp sgt i32 %1, 10
+  br i1 %cmp, label %if.then1, label %if.else
+
+if.then1:                                         ; preds = %if.then
+  call void @sideeffect(i32 2)
+  br label %if.end
+
+if.else:                                          ; preds = %if.then
+  call void @sink(i32 0)
+  call void @sideeffect(i32 0)
+  br label %if.end
+
+if.end:                                           ; preds = %if.else, %if.then1
+  br label %if.end2
+
+if.end2:                                          ; preds = %entry
+  call void @sideeffect(i32 1)
+  ret void
+}
+
+; CHECK-LABEL: define {{.*}}@foo.cold.1
+; CHECK:       call {{.*}}@sink
+; CHECK-NEXT:  call {{.*}}@sideeffect
+
+declare void @sideeffect(i32)
+
+declare void @sink(i32) cold