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llvm-mirror/test/Transforms/ObjCARC/intrinsic-use.ll
Stephen Lin f20746afd1 Catch more CHECK that can be converted to CHECK-LABEL in Transforms for easier debugging. No functionality change.
This conversion was done with the following bash script:

  find test/Transforms -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    if ! grep -q "^; *RUN: *llc" $NAME; then
      TEMP=`mktemp -t temp`
      cp $NAME $TEMP
      sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
      while read FUNC; do
        sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)define\([^@]*\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3define\4@$FUNC(/g" $TEMP
      done
      mv $TEMP $NAME
    fi
  done

llvm-svn: 186269
2013-07-14 01:50:49 +00:00

117 lines
4.2 KiB
LLVM

; RUN: opt -basicaa -objc-arc -S < %s | FileCheck %s
target datalayout = "e-p:64:64:64"
declare i8* @objc_retain(i8*)
declare i8* @objc_retainAutorelease(i8*)
declare void @objc_release(i8*)
declare i8* @objc_autorelease(i8*)
declare void @clang.arc.use(...)
declare void @test0_helper(i8*, i8**)
; Ensure that we honor clang.arc.use as a use and don't miscompile
; the reduced test case from <rdar://13195034>.
;
; FIXME: the fact that we re-order retains w.r.t. @clang.arc.use could
; be problematic if we get run twice, e.g. under LTO.
;
; CHECK-LABEL: define void @test0(
; CHECK: @objc_retain(i8* %x)
; CHECK-NEXT: store i8* %y, i8** %temp0
; CHECK-NEXT: @objc_retain(i8* %y)
; CHECK-NEXT: call void @test0_helper
; CHECK-NEXT: [[VAL1:%.*]] = load i8** %temp0
; CHECK-NEXT: call void (...)* @clang.arc.use(i8* %y)
; CHECK-NEXT: @objc_retain(i8* [[VAL1]])
; CHECK-NEXT: @objc_release(i8* %y)
; CHECK-NEXT: store i8* [[VAL1]], i8** %temp1
; CHECK-NEXT: call void @test0_helper
; CHECK-NEXT: [[VAL2:%.*]] = load i8** %temp1
; CHECK-NEXT: call void (...)* @clang.arc.use(i8* [[VAL1]])
; CHECK-NEXT: @objc_retain(i8* [[VAL2]])
; CHECK-NEXT: @objc_release(i8* [[VAL1]])
; CHECK-NEXT: @objc_autorelease(i8* %x)
; CHECK-NEXT: store i8* %x, i8** %out
; CHECK-NEXT: @objc_retain(i8* %x)
; CHECK-NEXT: @objc_release(i8* [[VAL2]])
; CHECK-NEXT: @objc_release(i8* %x)
; CHECK-NEXT: ret void
; CHECK-NEXT: }
define void @test0(i8** %out, i8* %x, i8* %y) {
entry:
%temp0 = alloca i8*, align 8
%temp1 = alloca i8*, align 8
%0 = call i8* @objc_retain(i8* %x) nounwind
%1 = call i8* @objc_retain(i8* %y) nounwind
store i8* %y, i8** %temp0
call void @test0_helper(i8* %x, i8** %temp0)
%val1 = load i8** %temp0
%2 = call i8* @objc_retain(i8* %val1) nounwind
call void (...)* @clang.arc.use(i8* %y) nounwind
call void @objc_release(i8* %y) nounwind
store i8* %val1, i8** %temp1
call void @test0_helper(i8* %x, i8** %temp1)
%val2 = load i8** %temp1
%3 = call i8* @objc_retain(i8* %val2) nounwind
call void (...)* @clang.arc.use(i8* %val1) nounwind
call void @objc_release(i8* %val1) nounwind
%4 = call i8* @objc_retain(i8* %x) nounwind
%5 = call i8* @objc_autorelease(i8* %x) nounwind
store i8* %x, i8** %out
call void @objc_release(i8* %val2) nounwind
call void @objc_release(i8* %x) nounwind
ret void
}
; CHECK-LABEL: define void @test0a(
; CHECK: @objc_retain(i8* %x)
; CHECK-NEXT: store i8* %y, i8** %temp0
; CHECK-NEXT: @objc_retain(i8* %y)
; CHECK-NEXT: call void @test0_helper
; CHECK-NEXT: [[VAL1:%.*]] = load i8** %temp0
; CHECK-NEXT: call void (...)* @clang.arc.use(i8* %y)
; CHECK-NEXT: @objc_retain(i8* [[VAL1]])
; CHECK-NEXT: @objc_release(i8* %y)
; CHECK-NEXT: store i8* [[VAL1]], i8** %temp1
; CHECK-NEXT: call void @test0_helper
; CHECK-NEXT: [[VAL2:%.*]] = load i8** %temp1
; CHECK-NEXT: call void (...)* @clang.arc.use(i8* [[VAL1]])
; CHECK-NEXT: @objc_retain(i8* [[VAL2]])
; CHECK-NEXT: @objc_release(i8* [[VAL1]])
; CHECK-NEXT: @objc_autorelease(i8* %x)
; CHECK-NEXT: @objc_release(i8* [[VAL2]])
; CHECK-NEXT: store i8* %x, i8** %out
; CHECK-NEXT: ret void
; CHECK-NEXT: }
define void @test0a(i8** %out, i8* %x, i8* %y) {
entry:
%temp0 = alloca i8*, align 8
%temp1 = alloca i8*, align 8
%0 = call i8* @objc_retain(i8* %x) nounwind
%1 = call i8* @objc_retain(i8* %y) nounwind
store i8* %y, i8** %temp0
call void @test0_helper(i8* %x, i8** %temp0)
%val1 = load i8** %temp0
%2 = call i8* @objc_retain(i8* %val1) nounwind
call void (...)* @clang.arc.use(i8* %y) nounwind
call void @objc_release(i8* %y) nounwind, !clang.imprecise_release !0
store i8* %val1, i8** %temp1
call void @test0_helper(i8* %x, i8** %temp1)
%val2 = load i8** %temp1
%3 = call i8* @objc_retain(i8* %val2) nounwind
call void (...)* @clang.arc.use(i8* %val1) nounwind
call void @objc_release(i8* %val1) nounwind, !clang.imprecise_release !0
%4 = call i8* @objc_retain(i8* %x) nounwind
%5 = call i8* @objc_autorelease(i8* %x) nounwind
store i8* %x, i8** %out
call void @objc_release(i8* %val2) nounwind, !clang.imprecise_release !0
call void @objc_release(i8* %x) nounwind, !clang.imprecise_release !0
ret void
}
!0 = metadata !{}