35 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			2.1 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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| 
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| 
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| declare void @do_safepoint()
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| 
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| ; derived %next base %base_obj
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| define void @test(i64 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, i64 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 i64 addrspace(1)* [ [[BASE_OBJ]], [[ENTRY:%.*]] ], [ [[BASE_OBJ_RELOCATED_CASTED:%.*]], [[LOOP]] ]
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| ; CHECK-NEXT:    [[CURRENT:%.*]] = phi i64 addrspace(1)* [ [[OBJ]], [[ENTRY]] ], [ [[NEXT_RELOCATED_CASTED:%.*]], [[LOOP]] ]
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| ; CHECK-NEXT:    [[NEXT:%.*]] = getelementptr i64, i64 addrspace(1)* [[CURRENT]], i32 1
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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 ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(i64 addrspace(1)* [[NEXT]], i64 addrspace(1)* [[DOT0]]) ]
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| ; CHECK-NEXT:    [[NEXT_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
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| ; CHECK-NEXT:    [[NEXT_RELOCATED_CASTED]] = bitcast i8 addrspace(1)* [[NEXT_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:    br label [[LOOP]]
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| ;
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| entry:
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|   %obj = getelementptr i64, i64 addrspace(1)* %base_obj, i32 1
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|   br label %loop
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| 
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| loop:                                             ; preds = %loop, %entry
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|   %current = phi i64 addrspace(1)* [ %obj, %entry ], [ %next, %loop ]
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|   %next = getelementptr i64, i64 addrspace(1)* %current, i32 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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