forked from OSchip/llvm-project
64 lines
2.0 KiB
LLVM
64 lines
2.0 KiB
LLVM
; RUN: opt -objc-arc-contract -S < %s | FileCheck %s
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; RUN: opt -passes=objc-arc-contract -S < %s | FileCheck %s
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; CHECK-LABEL: define void @test0() {
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; CHECK: %[[CALL:.*]] = notail call i8* @foo() [ "clang.arc.attachedcall"(i64 0) ]
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; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %[[CALL]])
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define void @test0() {
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%call1 = call i8* @foo() [ "clang.arc.attachedcall"(i64 0) ]
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ret void
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}
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; CHECK-LABEL: define void @test1() {
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; CHECK: %[[CALL:.*]] = notail call i8* @foo() [ "clang.arc.attachedcall"(i64 1) ]
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; CHECK: call i8* @llvm.objc.unsafeClaimAutoreleasedReturnValue(i8* %[[CALL]])
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define void @test1() {
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%call1 = call i8* @foo() [ "clang.arc.attachedcall"(i64 1) ]
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ret void
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}
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; CHECK-LABEL:define i8* @test2(
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; CHECK: %[[CALL1:.*]] = invoke i8* @foo() [ "clang.arc.attachedcall"(i64 0) ]
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; CHECK: %[[V0:.*]] = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %[[CALL1]])
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; CHECK-NEXT: br
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; CHECK: %[[CALL3:.*]] = invoke i8* @foo() [ "clang.arc.attachedcall"(i64 0) ]
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; CHECK: %[[V2:.*]] = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %[[CALL3]])
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; CHECK-NEXT: br
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; CHECK: %[[RETVAL:.*]] = phi i8* [ %[[V0]], {{.*}} ], [ %[[V2]], {{.*}} ]
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; CHECK: ret i8* %[[RETVAL]]
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define i8* @test2(i1 zeroext %b) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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entry:
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br i1 %b, label %if.then, label %if.end
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if.then:
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%call1 = invoke i8* @foo() [ "clang.arc.attachedcall"(i64 0) ]
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to label %cleanup unwind label %lpad
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lpad:
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%0 = landingpad { i8*, i32 }
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cleanup
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resume { i8*, i32 } undef
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if.end:
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%call3 = invoke i8* @foo() [ "clang.arc.attachedcall"(i64 0) ]
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to label %cleanup unwind label %lpad
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cleanup:
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%retval.0 = phi i8* [ %call1, %if.then ], [ %call3, %if.end ]
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ret i8* %retval.0
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}
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declare i8* @foo()
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declare i32 @__gxx_personality_v0(...)
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"clang.arc.retainAutoreleasedReturnValueMarker", !"mov\09fp, fp\09\09// marker for objc_retainAutoreleaseReturnValue"}
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