mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-05 12:31:33 +00:00
2d49689793
by later instructions. Only done for DEC64m right now. Fixes <rdar://problem/6172640> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144705 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
908 B
LLVM
30 lines
908 B
LLVM
; RUN: llc < %s -march=x86-64 | FileCheck %s
|
|
|
|
%struct.obj = type { i64 }
|
|
|
|
define void @_Z7releaseP3obj(%struct.obj* nocapture %o) nounwind uwtable ssp {
|
|
entry:
|
|
; CHECK: decq (%rdi)
|
|
; CHECK-NEXT: je
|
|
%refcnt = getelementptr inbounds %struct.obj* %o, i64 0, i32 0
|
|
%0 = load i64* %refcnt, align 8, !tbaa !0
|
|
%dec = add i64 %0, -1
|
|
store i64 %dec, i64* %refcnt, align 8, !tbaa !0
|
|
%tobool = icmp eq i64 %dec, 0
|
|
br i1 %tobool, label %if.end, label %return
|
|
|
|
if.end: ; preds = %entry
|
|
%1 = bitcast %struct.obj* %o to i8*
|
|
tail call void @free(i8* %1)
|
|
br label %return
|
|
|
|
return: ; preds = %entry, %if.end
|
|
ret void
|
|
}
|
|
|
|
declare void @free(i8* nocapture) nounwind
|
|
|
|
!0 = metadata !{metadata !"long", metadata !1}
|
|
!1 = metadata !{metadata !"omnipotent char", metadata !2}
|
|
!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
|