llvm-for-llvmta/test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll

21 lines
884 B
LLVM

; 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 %next.i64 base %base_obj
define void @test(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
entry:
%obj = getelementptr i64, i64 addrspace(1)* %base_obj, i32 1
br label %loop
loop: ; preds = %loop, %entry
%current = phi i64 addrspace(1)* [ %obj, %entry ], [ %next.i64, %loop ]
%current.i32 = bitcast i64 addrspace(1)* %current to i32 addrspace(1)*
%next.i32 = getelementptr i32, i32 addrspace(1)* %current.i32, i32 1
%next.i64 = bitcast i32 addrspace(1)* %next.i32 to i64 addrspace(1)*
call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
br label %loop
}
declare void @do_safepoint()