base-pointers-4.ll
3.99 KB
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
; RUN: opt < %s -passes=rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
; CHECK: derived %obj_to_consume base %obj_to_consume.base
declare void @foo()
declare i64 addrspace(1)* @generate_obj()
declare void @consume_obj(i64 addrspace(1)*)
define void @test(i32 %condition) gc "statepoint-example" {
; CHECK-LABEL: @test(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = 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 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
; CHECK-NEXT: [[TMP0:%.*]] = call i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(token [[STATEPOINT_TOKEN]])
; CHECK-NEXT: switch i32 [[CONDITION:%.*]], label [[DEST_A:%.*]] [
; CHECK-NEXT: i32 0, label [[DEST_B:%.*]]
; CHECK-NEXT: i32 1, label [[DEST_C:%.*]]
; CHECK-NEXT: ]
; CHECK: dest_a:
; CHECK-NEXT: br label [[MERGE:%.*]]
; CHECK: dest_b:
; CHECK-NEXT: br label [[MERGE]]
; CHECK: dest_c:
; CHECK-NEXT: br label [[MERGE]]
; CHECK: merge:
; CHECK-NEXT: [[OBJ_TO_CONSUME_BASE:%.*]] = phi i64 addrspace(1)* [ [[TMP0]], [[DEST_A]] ], [ null, [[DEST_B]] ], [ null, [[DEST_C]] ], !is_base_value !0
; CHECK-NEXT: [[OBJ_TO_CONSUME:%.*]] = phi i64 addrspace(1)* [ [[TMP0]], [[DEST_A]] ], [ null, [[DEST_B]] ], [ null, [[DEST_C]] ]
; CHECK-NEXT: [[STATEPOINT_TOKEN1:%.*]] = call token (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 2882400000, i32 0, void (i64 addrspace(1)*)* @consume_obj, i32 1, i32 0, i64 addrspace(1)* [[OBJ_TO_CONSUME]], i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(i64 addrspace(1)* [[OBJ_TO_CONSUME_BASE]], i64 addrspace(1)* [[OBJ_TO_CONSUME]]) ]
; CHECK-NEXT: [[OBJ_TO_CONSUME_BASE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN1]], i32 0, i32 0)
; CHECK-NEXT: [[OBJ_TO_CONSUME_BASE_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[OBJ_TO_CONSUME_BASE_RELOCATED]] to i64 addrspace(1)*
; CHECK-NEXT: [[OBJ_TO_CONSUME_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN1]], i32 0, i32 1)
; CHECK-NEXT: [[OBJ_TO_CONSUME_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[OBJ_TO_CONSUME_RELOCATED]] to i64 addrspace(1)*
; CHECK-NEXT: br label [[MERGE_SPLIT:%.*]]
; CHECK: merge.split:
; CHECK-NEXT: [[STATEPOINT_TOKEN2:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
; CHECK-NEXT: br label [[LOOP]]
;
entry:
br label %loop
loop: ; preds = %merge.split, %entry
%0 = call i64 addrspace(1)* @generate_obj() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
switch i32 %condition, label %dest_a [
i32 0, label %dest_b
i32 1, label %dest_c
]
dest_a: ; preds = %loop
br label %merge
dest_b: ; preds = %loop
br label %merge
dest_c: ; preds = %loop
br label %merge
merge: ; preds = %dest_c, %dest_b, %dest_a
%obj_to_consume = phi i64 addrspace(1)* [ %0, %dest_a ], [ null, %dest_b ], [ null, %dest_c ]
call void @consume_obj(i64 addrspace(1)* %obj_to_consume) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
br label %merge.split
merge.split: ; preds = %merge
call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
br label %loop
}