1 ; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s 2 3 4 ; CHECK: derived %obj_to_consume base %base_phi 5 6 declare void @foo() 7 declare i64 addrspace(1)* @generate_obj() 8 declare void @consume_obj(i64 addrspace(1)*) 9 10 define void @test(i32 %condition) gc "statepoint-example" { 11 entry: 12 br label %loop 13 14 loop: 15 ; CHECK: loop: 16 ; CHECK: %safepoint_token1 = call i32 (i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i3 17 ; CHECK-NEXT: %obj2 = call i64 addrspace(1)* @llvm.experimental.gc.result 18 %safepoint_token1 = call i32 (i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0) 19 %obj2 = call i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(i32 %safepoint_token1) 20 switch i32 %condition, label %dest_a [ 21 i32 0, label %dest_b 22 i32 1, label %dest_c 23 ] 24 25 dest_a: 26 br label %merge 27 28 dest_b: 29 br label %merge 30 31 dest_c: 32 br label %merge 33 34 merge: 35 ; CHECK: merge: 36 ; CHECK: %base_phi = phi i64 addrspace(1)* [ %obj2, %dest_a ], [ null, %dest_b ], [ null, %dest_c ] 37 ; CHECK: %obj_to_consume = phi i64 addrspace(1)* [ %obj2, %dest_a ], [ null, %dest_b ], [ null, %dest_c ] 38 39 %obj_to_consume = phi i64 addrspace(1)* [ %obj2, %dest_a ], [ null, %dest_b ], [ null, %dest_c ] 40 %safepoint_token3 = call i32 (void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(void (i64 addrspace(1)*)* @consume_obj, i32 1, i32 0, i64 addrspace(1)* %obj_to_consume, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0) 41 br label %merge.split 42 43 merge.split: ; preds = %merge 44 %safepoint_token = call i32 (void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @foo, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0) 45 br label %loop 46 } 47 48 49 ; Function Attrs: nounwind 50 declare i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(i32) #0 51 declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...) 52 declare i32 @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 addrspace(1)* ()*, i32, i32, ...) 53 declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(void (i64 addrspace(1)*)*, i32, i32, ...) 54
