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diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll
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+++ b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll
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+; This is a collection of really basic tests for gc.statepoint rewriting.
+; RUN: opt %s -rewrite-statepoints-for-gc -rs4gc-use-deopt-bundles -spp-rematerialization-threshold=0 -S | FileCheck %s
+
+; Trivial relocation over a single call
+
+declare void @foo()
+
+define i8 addrspace(1)* @test1(i8 addrspace(1)* %obj) gc "statepoint-example" {
+; CHECK-LABEL: @test1
+entry:
+; CHECK-LABEL: entry:
+; CHECK-NEXT: gc.statepoint
+; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
+; Two safepoints in a row (i.e. consistent liveness)
+ call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
+ ret i8 addrspace(1)* %obj
+}
+
+define i8 addrspace(1)* @test2(i8 addrspace(1)* %obj) gc "statepoint-example" {
+; CHECK-LABEL: @test2
+entry:
+; CHECK-LABEL: entry:
+; CHECK-NEXT: gc.statepoint
+; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
+; CHECK-NEXT: gc.statepoint
+; CHECK-NEXT: %obj.relocated2 = call coldcc i8 addrspace(1)*
+; A simple derived pointer
+ call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
+ call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
+ ret i8 addrspace(1)* %obj
+}
+
+define i8 @test3(i8 addrspace(1)* %obj) gc "statepoint-example" {
+entry:
+; CHECK-LABEL: entry:
+; CHECK-NEXT: getelementptr
+; CHECK-NEXT: gc.statepoint
+; CHECK-NEXT: %derived.relocated = call coldcc i8 addrspace(1)*
+; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
+; CHECK-NEXT: load i8, i8 addrspace(1)* %derived.relocated
+; CHECK-NEXT: load i8, i8 addrspace(1)* %obj.relocated
+; Tests to make sure we visit both the taken and untaken predeccessor
+; of merge. This was a bug in the dataflow liveness at one point.
+ %derived = getelementptr i8, i8 addrspace(1)* %obj, i64 10
+ call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
+ %a = load i8, i8 addrspace(1)* %derived
+ %b = load i8, i8 addrspace(1)* %obj
+ %c = sub i8 %a, %b
+ ret i8 %c
+}
+
+define i8 addrspace(1)* @test4(i1 %cmp, i8 addrspace(1)* %obj) gc "statepoint-example" {
+entry:
+ br i1 %cmp, label %taken, label %untaken
+
+taken: ; preds = %entry
+; CHECK-LABEL: taken:
+; CHECK-NEXT: gc.statepoint
+; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
+ call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
+ br label %merge
+
+untaken: ; preds = %entry
+; CHECK-LABEL: untaken:
+; CHECK-NEXT: gc.statepoint
+; CHECK-NEXT: %obj.relocated2 = call coldcc i8 addrspace(1)*
+ call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
+ br label %merge
+
+merge: ; preds = %untaken, %taken
+; CHECK-LABEL: merge:
+; CHECK-NEXT: %.0 = phi i8 addrspace(1)* [ %obj.relocated, %taken ], [ %obj.relocated2, %untaken ]
+; CHECK-NEXT: ret i8 addrspace(1)* %.0
+; When run over a function which doesn't opt in, should do nothing!
+ ret i8 addrspace(1)* %obj
+}
+
+define i8 addrspace(1)* @test5(i8 addrspace(1)* %obj) gc "ocaml" {
+; CHECK-LABEL: @test5
+entry:
+; CHECK-LABEL: entry:
+; CHECK-NEXT: gc.statepoint
+; CHECK-NOT: %obj.relocated = call coldcc i8 addrspace(1)*
+ %0 = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+ ret i8 addrspace(1)* %obj
+}
+
+declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
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