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48be953065
The names for instructions inserted were previous dependent on iteration order. By deriving the names from the original instructions, we can avoid instability in tests without resorting to ordered traversals. It also makes the IR mildly easier to read at large scale. llvm-svn: 243140
53 lines
1.7 KiB
LLVM
53 lines
1.7 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,
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i64 addrspace(1)* %base_obj_y, i1 %runtime_condition_x,
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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_y, i32 2
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br label %merge_here
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merge_here:
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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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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-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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%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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