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[objc-arc] Move some block tests from basic.ll -> retain-block.ll and add some missing CHECK-LABELS.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189868 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Gottesman 2013-09-03 22:40:50 +00:00
parent 17554f3ffb
commit 08c560e782
3 changed files with 55 additions and 55 deletions
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49
test/Transforms/ObjCARC/basic.ll
View File

@ -1357,55 +1357,6 @@ C:
ret void
}
; Optimize objc_retainBlock.
; CHECK-LABEL: define void @test23(
; CHECK-NOT: @objc_
; CHECK: }
%block0 = type { i64, i64, i8*, i8* }
%block1 = type { i8**, i32, i32, i32 (%struct.__block_literal_1*)*, %block0* }
%struct.__block_descriptor = type { i64, i64 }
%struct.__block_literal_1 = type { i8**, i32, i32, i8**, %struct.__block_descriptor* }
@__block_holder_tmp_1 = external constant %block1
define void @test23() {
entry:
%0 = call i8* @objc_retainBlock(i8* bitcast (%block1* @__block_holder_tmp_1 to i8*)) nounwind, !clang.arc.copy_on_escape !0
call void @bar(i32 ()* bitcast (%block1* @__block_holder_tmp_1 to i32 ()*))
call void @bar(i32 ()* bitcast (%block1* @__block_holder_tmp_1 to i32 ()*))
call void @objc_release(i8* bitcast (%block1* @__block_holder_tmp_1 to i8*)) nounwind
ret void
}
; Don't optimize objc_retainBlock, but do strength reduce it.
; CHECK: define void @test23b(i8* %p) {
; CHECK: @objc_retain
; CHECK: @objc_release
; CHECK: }
define void @test23b(i8* %p) {
entry:
%0 = call i8* @objc_retainBlock(i8* %p) nounwind, !clang.arc.copy_on_escape !0
call void @callee()
call void @use_pointer(i8* %p)
call void @objc_release(i8* %p) nounwind
ret void
}
; Don't optimize objc_retainBlock, because there's no copy_on_escape metadata.
; CHECK-LABEL: define void @test23c(
; CHECK: @objc_retainBlock
; CHECK: @objc_release
; CHECK: }
define void @test23c() {
entry:
%0 = call i8* @objc_retainBlock(i8* bitcast (%block1* @__block_holder_tmp_1 to i8*)) nounwind
call void @bar(i32 ()* bitcast (%block1* @__block_holder_tmp_1 to i32 ()*))
call void @bar(i32 ()* bitcast (%block1* @__block_holder_tmp_1 to i32 ()*))
call void @objc_release(i8* bitcast (%block1* @__block_holder_tmp_1 to i8*)) nounwind
ret void
}
; Any call can decrement a retain count.
; CHECK-LABEL: define void @test24(

2
test/Transforms/ObjCARC/retain-block-escape-analysis.ll
View File

@ -196,7 +196,7 @@ end:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
define void @phinode_use_cycle(i8* %block) uwtable optsize ssp {
; CHECK: define void @phinode_use_cycle(i8* %block)
; CHECK-LABEL: define void @phinode_use_cycle(i8* %block)
entry:
br label %for.body

59
test/Transforms/ObjCARC/retain-block.ll
View File

@ -13,7 +13,7 @@ declare i8* @objc_autorelease(i8*)
; Basic retainBlock+release elimination.
; CHECK: define void @test0(i8* %tmp) {
; CHECK-LABEL: define void @test0(i8* %tmp) {
; CHECK-NOT: @objc
; CHECK: }
define void @test0(i8* %tmp) {
@ -27,7 +27,7 @@ entry:
; Same as test0, but there's no copy_on_escape metadata, so there's no
; optimization possible.
; CHECK: define void @test0_no_metadata(i8* %tmp) {
; CHECK-LABEL: define void @test0_no_metadata(i8* %tmp) {
; CHECK: %tmp2 = tail call i8* @objc_retainBlock(i8* %tmp) [[NUW:#[0-9]+]]
; CHECK: tail call void @objc_release(i8* %tmp2) [[NUW]], !clang.imprecise_release !0
; CHECK: }
@ -42,7 +42,7 @@ entry:
; Same as test0, but the pointer escapes, so there's no
; optimization possible.
; CHECK: define void @test0_escape(i8* %tmp, i8** %z) {
; CHECK-LABEL: define void @test0_escape(i8* %tmp, i8** %z) {
; CHECK: %tmp2 = tail call i8* @objc_retainBlock(i8* %tmp) [[NUW]], !clang.arc.copy_on_escape !0
; CHECK: tail call void @objc_release(i8* %tmp2) [[NUW]], !clang.imprecise_release !0
; CHECK: }
@ -57,7 +57,7 @@ entry:
; Same as test0_escape, but there's no intervening call.
; CHECK: define void @test0_just_escape(i8* %tmp, i8** %z) {
; CHECK-LABEL: define void @test0_just_escape(i8* %tmp, i8** %z) {
; CHECK: %tmp2 = tail call i8* @objc_retainBlock(i8* %tmp) [[NUW]], !clang.arc.copy_on_escape !0
; CHECK: tail call void @objc_release(i8* %tmp2) [[NUW]], !clang.imprecise_release !0
; CHECK: }
@ -93,7 +93,7 @@ entry:
; retainBlock+release optimization possible. But we can still eliminate
; the outer retain+release.
; CHECK: define void @test1_no_metadata(i8* %tmp) {
; CHECK-LABEL: define void @test1_no_metadata(i8* %tmp) {
; CHECK-NEXT: entry:
; CHECK-NEXT: tail call i8* @objc_retainBlock(i8* %tmp) [[NUW]]
; CHECK-NEXT: @use_pointer(i8* %tmp2)
@ -137,4 +137,53 @@ entry:
ret void
}
; Optimize objc_retainBlock.
; CHECK-LABEL: define void @test23(
; CHECK-NOT: @objc_
; CHECK: }
%block0 = type { i64, i64, i8*, i8* }
%block1 = type { i8**, i32, i32, i32 (%struct.__block_literal_1*)*, %block0* }
%struct.__block_descriptor = type { i64, i64 }
%struct.__block_literal_1 = type { i8**, i32, i32, i8**, %struct.__block_descriptor* }
@__block_holder_tmp_1 = external constant %block1
define void @test23() {
entry:
%0 = call i8* @objc_retainBlock(i8* bitcast (%block1* @__block_holder_tmp_1 to i8*)) nounwind, !clang.arc.copy_on_escape !0
call void @bar(i32 ()* bitcast (%block1* @__block_holder_tmp_1 to i32 ()*))
call void @bar(i32 ()* bitcast (%block1* @__block_holder_tmp_1 to i32 ()*))
call void @objc_release(i8* bitcast (%block1* @__block_holder_tmp_1 to i8*)) nounwind
ret void
}
; Don't optimize objc_retainBlock, but do strength reduce it.
; CHECK-LABEL: define void @test3a(i8* %p) {
; CHECK: @objc_retain
; CHECK: @objc_release
; CHECK: }
define void @test3a(i8* %p) {
entry:
%0 = call i8* @objc_retainBlock(i8* %p) nounwind, !clang.arc.copy_on_escape !0
call void @callee()
call void @use_pointer(i8* %p)
call void @objc_release(i8* %p) nounwind
ret void
}
; Don't optimize objc_retainBlock, because there's no copy_on_escape metadata.
; CHECK-LABEL: define void @test3b(
; CHECK: @objc_retainBlock
; CHECK: @objc_release
; CHECK: }
define void @test3b() {
entry:
%0 = call i8* @objc_retainBlock(i8* bitcast (%block1* @__block_holder_tmp_1 to i8*)) nounwind
call void @bar(i32 ()* bitcast (%block1* @__block_holder_tmp_1 to i32 ()*))
call void @bar(i32 ()* bitcast (%block1* @__block_holder_tmp_1 to i32 ()*))
call void @objc_release(i8* bitcast (%block1* @__block_holder_tmp_1 to i8*)) nounwind
ret void
}
; CHECK: attributes [[NUW]] = { nounwind }