[PATCH] D25341: [RS4GC] Strengthen coverage: add more tests

[Anna Thomas via llvm-commits]

anna created this revision.
anna added reviewers: sanjoy, reames.
anna added a subscriber: llvm-commits.

Add tests for cases where we have zero coverage in RS4GC.


https://reviews.llvm.org/D25341

Files:
  test/Transforms/RewriteStatepointsForGC/deopt-lowering-attrs.ll
  test/Transforms/RewriteStatepointsForGC/statepoint-attrs.ll


Index: test/Transforms/RewriteStatepointsForGC/statepoint-attrs.ll
===================================================================
--- /dev/null
+++ test/Transforms/RewriteStatepointsForGC/statepoint-attrs.ll
@@ -0,0 +1,16 @@
+; RUN: opt -S -rewrite-statepoints-for-gc < %s | FileCheck %s
+; Ensure statepoints copy (valid) attributes from callsites.
+
+declare void @f(i8 addrspace(1)* %obj)
+
+; copy over norecurse noimplicitfloat to statepoint call
+define void @test1(i8 addrspace(1)* %arg) gc "statepoint-example" {
+; CHECK-LABEL: test1(
+; CHECK: call token (i64, i32, void (i8 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i8f(i64 2882400000, i32 0, void (i8 addrspace(1)*)* @f, i32 1, i32 0, i8 addrspace(1)* %arg, i32 0, i32 0, i8 addrspace(1)* %arg) #1
+
+ call void @f(i8 addrspace(1)* %arg) #1
+ ret void
+}
+
+
+attributes #1 = { norecurse noimplicitfloat }
Index: test/Transforms/RewriteStatepointsForGC/deopt-lowering-attrs.ll
===================================================================
--- test/Transforms/RewriteStatepointsForGC/deopt-lowering-attrs.ll
+++ test/Transforms/RewriteStatepointsForGC/deopt-lowering-attrs.ll
@@ -21,3 +21,14 @@
   call void @baz() [ "deopt"(i32 13) ]
   ret void
 }
+
+; add deopt-lowering attribute as part of callsite
+define void @test2() gc "statepoint-example" {
+; CHECK-LABEL: @test2(
+; CHECK: @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @foo, i32 0, i32 2, i32 0, i32 1, i32 57)
+
+entry:
+  call void @foo()  "deopt-lowering"="live-in"  [ "deopt"(i32 57) ]
+  ret void
+}
+


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