derek.holloway
7502bf64a4
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36 lines
2.2 KiB
LLVM
36 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
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; derived %next.i64 base %base_obj
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define void @test(ptr addrspace(1) %base_obj) gc "statepoint-example" {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[OBJ:%.*]] = getelementptr i64, ptr addrspace(1) [[BASE_OBJ:%.*]], i32 1
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[DOT0:%.*]] = phi ptr addrspace(1) [ [[BASE_OBJ]], [[ENTRY:%.*]] ], [ [[BASE_OBJ_RELOCATED:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[CURRENT:%.*]] = phi ptr addrspace(1) [ [[OBJ]], [[ENTRY]] ], [ [[NEXT_I64_RELOCATED:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[CURRENT_I32:%.*]] = bitcast ptr addrspace(1) [[CURRENT]] to ptr addrspace(1)
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; CHECK-NEXT: [[NEXT_I32:%.*]] = getelementptr i32, ptr addrspace(1) [[CURRENT_I32]], i32 1
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; CHECK-NEXT: [[NEXT_I64:%.*]] = bitcast ptr addrspace(1) [[NEXT_I32]] to ptr addrspace(1)
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; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(ptr addrspace(1) [[NEXT_I64]], ptr addrspace(1) [[DOT0]]) ]
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; CHECK-NEXT: [[NEXT_I64_RELOCATED]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
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; CHECK-NEXT: [[BASE_OBJ_RELOCATED]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
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; CHECK-NEXT: br label [[LOOP]]
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;
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entry:
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%obj = getelementptr i64, ptr addrspace(1) %base_obj, i32 1
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br label %loop
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loop: ; preds = %loop, %entry
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%current = phi ptr addrspace(1) [ %obj, %entry ], [ %next.i64, %loop ]
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%current.i32 = bitcast ptr addrspace(1) %current to ptr addrspace(1)
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%next.i32 = getelementptr i32, ptr addrspace(1) %current.i32, i32 1
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%next.i64 = bitcast ptr addrspace(1) %next.i32 to ptr addrspace(1)
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call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
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br label %loop
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}
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declare void @do_safepoint()
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