forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			21 lines
		
	
	
		
			859 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			859 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
 | 
						|
; RUN: opt < %s -passes=rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
 | 
						|
 | 
						|
; CHECK: derived %merged_value base %base_obj
 | 
						|
 | 
						|
define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj, i1 %runtime_condition) gc "statepoint-example" {
 | 
						|
entry:
 | 
						|
  br i1 %runtime_condition, label %merge, label %there
 | 
						|
 | 
						|
there:                                            ; preds = %entry
 | 
						|
  %derived_obj = getelementptr i64, i64 addrspace(1)* %base_obj, i32 1
 | 
						|
  br label %merge
 | 
						|
 | 
						|
merge:                                            ; preds = %there, %entry
 | 
						|
  %merged_value = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %derived_obj, %there ]
 | 
						|
  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
 | 
						|
  ret i64 addrspace(1)* %merged_value
 | 
						|
}
 | 
						|
 | 
						|
declare void @foo()
 |