6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-25 13:24:46 +00:00
Code Issues Projects Releases Wiki Activity

The ARC language-specific optimizer. Credit to Dan Gohman.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133108 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
John McCall
2011-06-15 23:37:01 +00:00
parent 5f36bb1759
commit 9fbd318d36
28 changed files with 6947 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
test/Transforms/ObjCARC/post-inlining.ll Normal file
View File

@@ -0,0 +1,48 @@
; RUN: opt -S -objc-arc < %s | FileCheck %s
declare void @use_pointer(i8*)
declare i8* @returner()
declare i8* @objc_retain(i8*)
declare i8* @objc_autoreleaseReturnValue(i8*)
declare i8* @objc_retainAutoreleasedReturnValue(i8*)
; Clean up residue left behind after inlining.
; CHECK: define void @test0(
; CHECK: entry:
; CHECK-NEXT: ret void
; CHECK-NEXT: }
define void @test0(i8* %call.i) {
entry:
%0 = tail call i8* @objc_retain(i8* %call.i) nounwind
%1 = tail call i8* @objc_autoreleaseReturnValue(i8* %0) nounwind
ret void
}
; Same as test0, but with slightly different use arrangements.
; CHECK: define void @test1(
; CHECK: entry:
; CHECK-NEXT: ret void
; CHECK-NEXT: }
define void @test1(i8* %call.i) {
entry:
%0 = tail call i8* @objc_retain(i8* %call.i) nounwind
%1 = tail call i8* @objc_autoreleaseReturnValue(i8* %call.i) nounwind
ret void
}
; Delete a retainRV+autoreleaseRV even if the pointer is used.
; CHECK: define void @test24(
; CHECK-NEXT: entry:
; CHECK-NEXT: call void @use_pointer(i8* %p)
; CHECK-NEXT: ret void
; CHECK-NEXT: }
define void @test24(i8* %p) {
entry:
call i8* @objc_autoreleaseReturnValue(i8* %p) nounwind
call i8* @objc_retainAutoreleasedReturnValue(i8* %p) nounwind
call void @use_pointer(i8* %p)
ret void
}