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Precommit another test for https://reviews.llvm.org/D104953

This commit is contained in:
Akira Hatanaka 2021-07-05 10:12:16 -07:00
parent d4ed965b2d
commit b931c2a714
1 changed files with 56 additions and 0 deletions
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56
llvm/test/Transforms/ObjCARC/code-motion.ll
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@ -126,6 +126,62 @@ join:
ret void
}
; In this test, insertion points for the retain and release calls that could be
; eliminated are in different blocks (bb1 and if.then).
define void @test5(i8* %obj, i1 %cond0, i1 %cond1) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: br i1 [[COND0:%.*]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
; CHECK: if.then:
; CHECK-NEXT: call void @readOnlyFunc(i8* [[OBJ:%.*]], i8* null)
; CHECK-NEXT: call void @llvm.objc.release(i8* [[OBJ]])
; CHECK-NEXT: br i1 [[COND1:%.*]], label [[IF_THEN2:%.*]], label [[IF_ELSE2:%.*]]
; CHECK: if.then2:
; CHECK-NEXT: br label [[BB1:%.*]]
; CHECK: if.else2:
; CHECK-NEXT: br label [[BB1]]
; CHECK: bb1:
; CHECK-NEXT: [[TMP1:%.*]] = add i32 1, 2
; CHECK-NEXT: [[TMP2:%.*]] = tail call i8* @llvm.objc.retain(i8* [[OBJ]])
; CHECK-NEXT: call void @alterRefCount()
; CHECK-NEXT: br label [[JOIN:%.*]]
; CHECK: if.else:
; CHECK-NEXT: [[TMP3:%.*]] = tail call i8* @llvm.objc.retain(i8* [[OBJ]])
; CHECK-NEXT: call void @alterRefCount()
; CHECK-NEXT: call void @use(i8* [[OBJ]])
; CHECK-NEXT: call void @llvm.objc.release(i8* [[OBJ]])
; CHECK-NEXT: br label [[JOIN]]
; CHECK: join:
; CHECK-NEXT: ret void
;
%v0 = call i8* @llvm.objc.retain(i8* %obj)
br i1 %cond0, label %if.then, label %if.else
if.then:
call void @readOnlyFunc(i8* %obj, i8* null) #0
br i1 %cond1, label %if.then2, label %if.else2
if.then2:
br label %bb1
if.else2:
br label %bb1
bb1:
add i32 1, 2
call void @alterRefCount()
br label %join
if.else:
call void @alterRefCount()
call void @use(i8* %obj)
br label %join
join:
call void @llvm.objc.release(i8* %obj), !clang.imprecise_release !9
ret void
}
declare void @llvm.dbg.declare(metadata, metadata, metadata)
declare i8* @llvm.objc.retain(i8*) local_unnamed_addr
declare void @llvm.objc.release(i8*) local_unnamed_addr