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a83ec97a4f
This finishes <rdar://problem/16281854> Tests Optimizer/allocation-deletion.ll and Optimizer/basic.ll are failing Swift SVN r14898
103 lines
3.5 KiB
LLVM
103 lines
3.5 KiB
LLVM
; RUN: opt -load %libdir/SwiftARCPasses.dylib -swift-arc-optimize -S %s | FileCheck %s
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; XFAIL: asan
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target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin11.3.0"
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%swift.refcounted = type { %swift.heapmetadata*, i64 }
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%swift.heapmetadata = type { i64 (%swift.refcounted*)*, i64 (%swift.refcounted*)* }
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%objc_object = type opaque
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declare %objc_object* @objc_retain(%objc_object*)
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declare void @objc_release(%objc_object*)
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declare %swift.refcounted* @swift_allocObject(%swift.heapmetadata* , i64, i64) nounwind
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declare void @swift_release(%swift.refcounted* nocapture)
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declare %swift.refcounted* @swift_retain(%swift.refcounted* ) nounwind
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declare void @swift_retain_noresult(%swift.refcounted* nocapture) nounwind
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declare { i64, i64, i64 } @swift_retainAndReturnThree(%swift.refcounted* , i64, i64 , i64 )
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define void @trivial_retain_release(%swift.refcounted* %P) {
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entry:
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tail call void @swift_retain_noresult(%swift.refcounted* %P)
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tail call void @swift_release(%swift.refcounted* %P) nounwind
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ret void
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}
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; CHECK: @trivial_retain_release(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret void
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; retain3_test2 - This shows a case where something else (eg inlining an already
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; optimized function) has given us a swift_retainAndReturnThree that we need to
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; destructure and reassemble.
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define { i8*, i64, %swift.refcounted* } @retain3_test2(i8*, i64, %swift.refcounted*) nounwind {
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entry:
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%x = ptrtoint i8* %0 to i64
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%z = ptrtoint %swift.refcounted* %2 to i64
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%3 = call { i64, i64, i64 } @swift_retainAndReturnThree(%swift.refcounted* %2, i64 %x, i64 %1, i64 %z)
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%a = extractvalue { i64, i64, i64 } %3, 0
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%b = extractvalue { i64, i64, i64 } %3, 1
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%c = extractvalue { i64, i64, i64 } %3, 2
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%a1 = inttoptr i64 %a to i8*
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%c1 = inttoptr i64 %c to %swift.refcounted*
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%4 = insertvalue { i8*, i64, %swift.refcounted* } undef, i8* %a1, 0
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%5 = insertvalue { i8*, i64, %swift.refcounted* } %4, i64 %b, 1
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%6 = insertvalue { i8*, i64, %swift.refcounted* } %5, %swift.refcounted* %c1, 2
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ret { i8*, i64, %swift.refcounted* } %6
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}
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; CHECK: @retain3_test2
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; CHECK: insertvalue
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; CHECK-NEXT: insertvalue
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; CHECK-NEXT: insertvalue
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; CHECK-NEXT: call void @swift_retain_noresult(%swift.refcounted* %2)
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; CHECK-NEXT: ret
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; retain_motion1 - This shows motion of a retain across operations that can't
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; release an object. Release motion can't zap this.
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define void @retain_motion1(%swift.refcounted* %A) {
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tail call void @swift_retain_noresult(%swift.refcounted* %A)
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%B = bitcast %swift.refcounted* %A to i32*
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store i32 42, i32* %B
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tail call void @swift_release(%swift.refcounted* %A) nounwind
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ret void
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}
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; CHECK: @retain_motion1(
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: store i32
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; CHECK-NEXT: ret void
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; rdar://11583269 - Optimize out objc_retain/release(null)
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define void @objc_retain_release_null() {
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entry:
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tail call void @objc_release(%objc_object* null) nounwind
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tail call %objc_object* @objc_retain(%objc_object* null)
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ret void
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}
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; CHECK: @objc_retain_release_null(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret void
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; rdar://11583269 - Useless objc_retain/release optimization.
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define void @objc_retain_release_opt(%objc_object* %P, i32* %IP) {
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tail call %objc_object* @objc_retain(%objc_object* %P) nounwind
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store i32 42, i32* %IP
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tail call void @objc_release(%objc_object* %P) nounwind
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ret void
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}
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; CHECK: @objc_retain_release_opt(
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; CHECK-NEXT: store i32 42
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; CHECK-NEXT: ret void
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