42 lines
1.5 KiB
LLVM
42 lines
1.5 KiB
LLVM
; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
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; CHECK: derived %merged_value base %merged_value.base
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declare void @site_for_call_safpeoint()
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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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here:
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br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b
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bump_here_a:
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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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bump_here_b:
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%x_b = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 2
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br label %merge_here
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merge_here:
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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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there:
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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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merge:
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; CHECK: merge:
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; CHECK: %merged_value.base = phi i64 addrspace(1)* [ %base_obj_x, %merge_here ], [ %base_obj_y, %there ]
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; CHECK-NEXT: %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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%safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 5, 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 @do_safepoint()
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declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
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