37 lines
1.5 KiB
LLVM
37 lines
1.5 KiB
LLVM
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; 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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declare i1 @runtime_value() "gc-leaf-function"
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declare void @do_safepoint()
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define void @select_of_phi(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y) gc "statepoint-example" {
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entry:
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br label %loop
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loop: ; preds = %merge, %entry
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%current_x = phi i64 addrspace(1)* [ %base_obj_x, %entry ], [ %next_x, %merge ]
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%current_y = phi i64 addrspace(1)* [ %base_obj_y, %entry ], [ %next_y, %merge ]
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%current = phi i64 addrspace(1)* [ null, %entry ], [ %next, %merge ]
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%condition = call i1 @runtime_value()
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%next_x = getelementptr i64, i64 addrspace(1)* %current_x, i32 1
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%next_y = getelementptr i64, i64 addrspace(1)* %current_y, i32 1
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br i1 %condition, label %true, label %false
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true: ; preds = %loop
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br label %merge
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false: ; preds = %loop
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br label %merge
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merge: ; preds = %false, %true
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%next = phi i64 addrspace(1)* [ %next_x, %true ], [ %next_y, %false ]
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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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; CHECK: Base Pairs (w/o Relocation):
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; CHECK-DAG: derived %next base %next.base
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; CHECK-DAG: derived %next_x base %base_obj_x
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; CHECK-DAG: derived %next_y base %base_obj_y
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