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 -rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
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; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
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; derived %merged_value base %base_obj
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define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj, i1 %runtime_condition) gc "statepoint-example" {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[RUNTIME_CONDITION:%.*]], label [[MERGE:%.*]], label [[THERE:%.*]]
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; CHECK: there:
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; CHECK-NEXT: [[DERIVED_OBJ:%.*]] = getelementptr i64, i64 addrspace(1)* [[BASE_OBJ:%.*]], i32 1
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; CHECK-NEXT: br label [[MERGE]]
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; CHECK: merge:
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; CHECK-NEXT: [[MERGED_VALUE:%.*]] = phi i64 addrspace(1)* [ [[BASE_OBJ]], [[ENTRY:%.*]] ], [ [[DERIVED_OBJ]], [[THERE]] ]
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; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(i64 addrspace(1)* [[MERGED_VALUE]], i64 addrspace(1)* [[BASE_OBJ]]) ]
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; CHECK-NEXT: [[MERGED_VALUE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
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; CHECK-NEXT: [[MERGED_VALUE_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[MERGED_VALUE_RELOCATED]] to i64 addrspace(1)*
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; CHECK-NEXT: [[BASE_OBJ_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
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; CHECK-NEXT: [[BASE_OBJ_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[BASE_OBJ_RELOCATED]] to i64 addrspace(1)*
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; CHECK-NEXT: ret i64 addrspace(1)* [[MERGED_VALUE_RELOCATED_CASTED]]
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;
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entry:
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br i1 %runtime_condition, label %merge, label %there
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there: ; preds = %entry
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%derived_obj = getelementptr i64, i64 addrspace(1)* %base_obj, i32 1
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br label %merge
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merge: ; preds = %there, %entry
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%merged_value = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %derived_obj, %there ]
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call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
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ret i64 addrspace(1)* %merged_value
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}
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declare void @foo()
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