mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
7147946afe
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98508 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.4 KiB
LLVM
43 lines
1.4 KiB
LLVM
; RUN: llc < %s | grep caml.*__frametable
|
|
; RUN: llc < %s -march=x86 | grep {movl .0}
|
|
|
|
%struct.obj = type { i8*, %struct.obj* }
|
|
|
|
define %struct.obj* @fun(%struct.obj* %head) gc "ocaml" {
|
|
entry:
|
|
%gcroot.0 = alloca i8*
|
|
%gcroot.1 = alloca i8*
|
|
|
|
call void @llvm.gcroot(i8** %gcroot.0, i8* null)
|
|
call void @llvm.gcroot(i8** %gcroot.1, i8* null)
|
|
|
|
%local.0 = bitcast i8** %gcroot.0 to %struct.obj**
|
|
%local.1 = bitcast i8** %gcroot.1 to %struct.obj**
|
|
|
|
store %struct.obj* %head, %struct.obj** %local.0
|
|
br label %bb.loop
|
|
bb.loop:
|
|
%t0 = load %struct.obj** %local.0
|
|
%t1 = getelementptr %struct.obj* %t0, i32 0, i32 1
|
|
%t2 = bitcast %struct.obj* %t0 to i8*
|
|
%t3 = bitcast %struct.obj** %t1 to i8**
|
|
%t4 = call i8* @llvm.gcread(i8* %t2, i8** %t3)
|
|
%t5 = bitcast i8* %t4 to %struct.obj*
|
|
%t6 = icmp eq %struct.obj* %t5, null
|
|
br i1 %t6, label %bb.loop, label %bb.end
|
|
bb.end:
|
|
%t7 = malloc %struct.obj
|
|
store %struct.obj* %t7, %struct.obj** %local.1
|
|
%t8 = bitcast %struct.obj* %t7 to i8*
|
|
%t9 = load %struct.obj** %local.0
|
|
%t10 = getelementptr %struct.obj* %t9, i32 0, i32 1
|
|
%t11 = bitcast %struct.obj* %t9 to i8*
|
|
%t12 = bitcast %struct.obj** %t10 to i8**
|
|
call void @llvm.gcwrite(i8* %t8, i8* %t11, i8** %t12)
|
|
ret %struct.obj* %t7
|
|
}
|
|
|
|
declare void @llvm.gcroot(i8** %value, i8* %tag)
|
|
declare void @llvm.gcwrite(i8* %value, i8* %obj, i8** %field)
|
|
declare i8* @llvm.gcread(i8* %obj, i8** %field)
|