forked from OSchip/llvm-project
46 lines
1.9 KiB
LLVM
46 lines
1.9 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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; CHECK: derived %obj_to_consume base %obj_to_consume.base
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declare void @foo()
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declare i64 addrspace(1)* @generate_obj()
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declare void @consume_obj(i64 addrspace(1)*)
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define void @test(i32 %condition) gc "statepoint-example" {
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entry:
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br label %loop
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loop: ; preds = %merge.split, %entry
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; CHECK: loop:
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; CHECK: [[TOKEN_0:%[^ ]+]] = call token (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 2882400000, i32 0, i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i3
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; CHECK-NEXT: [[RESULT_0:%[^ ]+]] = call i64 addrspace(1)* @llvm.experimental.gc.result
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%0 = call i64 addrspace(1)* @generate_obj() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
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switch i32 %condition, label %dest_a [
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i32 0, label %dest_b
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i32 1, label %dest_c
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]
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dest_a: ; preds = %loop
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br label %merge
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dest_b: ; preds = %loop
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br label %merge
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dest_c: ; preds = %loop
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br label %merge
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merge: ; preds = %dest_c, %dest_b, %dest_a
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; CHECK: merge:
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; CHECK: %obj_to_consume = phi i64 addrspace(1)* [ [[RESULT_0]], %dest_a ], [ null, %dest_b ], [ null, %dest_c ]
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%obj_to_consume = phi i64 addrspace(1)* [ %0, %dest_a ], [ null, %dest_b ], [ null, %dest_c ]
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call void @consume_obj(i64 addrspace(1)* %obj_to_consume) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
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br label %merge.split
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merge.split: ; preds = %merge
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call void @foo() [ "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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