47 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
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| ; RUN: opt < %s -passes=rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
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| 
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| ; CHECK: derived %merged_value base %merged_value.base
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| 
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| declare void @site_for_call_safpeoint()
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| 
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| define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y, i1 %runtime_condition_x, i1 %runtime_condition_y) gc "statepoint-example" {
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| entry:
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|   br i1 %runtime_condition_x, label %here, label %there
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| 
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| here:                                             ; preds = %entry
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|   br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b
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| 
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| bump_here_a:                                      ; preds = %here
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|   %x_a = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
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|   br label %merge_here
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| 
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| bump_here_b:                                      ; preds = %here
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|   %x_b = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 2
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|   br label %merge_here
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| 
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| merge_here:                                       ; preds = %bump_here_b, %bump_here_a
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| ; CHECK: merge_here:
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| ; CHECK-DAG: %x.base
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| ; CHECK-DAG: phi i64 addrspace(1)*
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| ; CHECK-DAG: [ %base_obj_x, %bump_here_a ]
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| ; CHECK-DAG: [ %base_obj_y, %bump_here_b ]
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|   %x = phi i64 addrspace(1)* [ %x_a, %bump_here_a ], [ %x_b, %bump_here_b ]
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|   br label %merge
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| 
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| there:                                            ; preds = %entry
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|   %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
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|   br label %merge
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| 
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| merge:                                            ; preds = %there, %merge_here
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| ; CHECK: merge:
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| ; CHECK-DAG:  %merged_value.base
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| ; CHECK-DAG: phi i64 addrspace(1)*
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| ; CHECK-DAG: %merge_here
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| ; CHECK-DAG: [ %base_obj_y, %there ]
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| ; CHECK:  %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]  
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|   %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
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|   call void @site_for_call_safpeoint() [ "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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