llvm-project/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-1.ll

26 lines
1.1 KiB
LLVM

; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
; CHECK: derived %merged_value base %merged_value.base
declare void @site_for_call_safpeoint()
define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y, i1 %runtime_condition) gc "statepoint-example" {
entry:
br i1 %runtime_condition, label %here, label %there
here: ; preds = %entry
%x = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
br label %merge
there: ; preds = %entry
%y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
br label %merge
merge: ; preds = %there, %here
; CHECK-LABEL: merge:
; CHECK: %merged_value.base = phi i64 addrspace(1)* [ %base_obj_x, %here ], [ %base_obj_y, %there ]
%merged_value = phi i64 addrspace(1)* [ %x, %here ], [ %y, %there ]
call void @site_for_call_safpeoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
ret i64 addrspace(1)* %merged_value
}