Revert "Temporarily Revert "Add basic loop fusion pass.""

The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552

1 files changed, 51 insertions, 0 deletions

diff --git a/llvm/test/Transforms/CodeExtractor/PartialInlineInvokeProducesOutVal.ll b/llvm/test/Transforms/CodeExtractor/PartialInlineInvokeProducesOutVal.ll
new file mode 100644
index 00000000000..2e0fbf6073e
--- /dev/null
+++ b/llvm/test/Transforms/CodeExtractor/PartialInlineInvokeProducesOutVal.ll
@@ -0,0 +1,51 @@
+; RUN: opt < %s -partial-inliner -S | FileCheck %s
+
+; Function Attrs: nounwind uwtable
+define dso_local i8* @bar(i32 %arg) local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
+bb:
+  %tmp = icmp slt i32 %arg, 0
+  br i1 %tmp, label %bb1, label %bb5
+
+bb1:                                              ; preds = %bb
+  %call26 = invoke i8* @invoke_callee() #2
+          to label %cont unwind label %lpad
+lpad:                                            ; preds = %if.end
+  %0 = landingpad { i8*, i32 }
+         cleanup
+  resume { i8*, i32 } undef
+
+cont:
+    br label %bb5
+
+bb5:                                              ; preds = %bb4, %bb1, %bb
+  %retval = phi i8* [ %call26, %cont ], [ undef, %bb]
+  ret i8* %retval
+}
+
+; CHECK-LABEL: @dummy_caller
+; CHECK-LABEL: bb:
+; CHECK-NEXT:  [[CALL26LOC:%.*]] = alloca i8*
+; CHECK-LABEL: codeRepl.i:
+; CHECK-NEXT:   %lt.cast.i = bitcast i8** [[CALL26LOC]] to i8*
+; CHECK-NEXT:   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %lt.cast.i)
+; CHECK-NEXT:   call void @bar.1.bb1(i8** [[CALL26LOC]])
+; CHECK-NEXT:   %call26.reload.i = load i8*, i8** [[CALL26LOC]]
+; CHECK-NEXT:   call void @llvm.lifetime.end.p0i8(i64 -1, i8* %lt.cast.i)
+define i8* @dummy_caller(i32 %arg) {
+bb:
+  %tmp = tail call i8* @bar(i32 %arg)
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: define internal void @bar.1.bb1
+; CHECK-LABEL: bb1:
+; CHECK-NEXT:    %call26 = invoke i8* @invoke_callee()
+; CHECK-NEXT:            to label %cont unwind label %lpad
+; CHECK-LABEL: cont:
+; CHECK-NEXT:    store i8* %call26, i8** %call26.out
+; CHECK-NEXT:    br label %bb5.exitStub
+
+; Function Attrs: nobuiltin
+declare dso_local noalias nonnull i8* @invoke_callee() local_unnamed_addr #1
+
+declare dso_local i32 @__gxx_personality_v0(...)