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Diffstat (limited to 'llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll')
-rw-r--r-- | llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll deleted file mode 100644 index d4396ab09bf..00000000000 --- a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll +++ /dev/null @@ -1,88 +0,0 @@ -; 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 token (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 token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) |