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llvm-project/clang/test/CodeGenObjC/NSFastEnumeration.m

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CodeGen: correct arguments for NSFastEnumeration When performing a NSFastEnumeration, the compiler synthesizes a call to `countByEnumeratingWithState:objects:count:` where the `count` parameter is of type `NSUInteger` and the return type is a `NSUInteger`. We would previously always use a `UnsignedLongTy` for the `NSUInteger` type. On 32-bit targets, `long` is 32-bits which is the same as `unsigned int`. Most 64-bit targets are LP64, where `long` is 64-bits. However, on LLP64 targets, such as Windows, `long` is 32-bits. Introduce new `getNSUIntegerType` and `getNSIntegerType` helpers to allow us to determine the correct type for the `NSUInteger` type. Wire those through into the generation of the message dispatch to the selector. llvm-svn: 312835
2017-09-09 07:41:17 +08:00
// RUN: %clang_cc1 -triple i686-apple-ios10.3 -fobjc-runtime=ios-6.0 -Os -emit-llvm -o - %s | FileCheck %s -check-prefix CHECK32
// RUN: %clang_cc1 -triple i686--windows-msvc -fobjc-runtime=ios-6.0 -Os -emit-llvm -o - %s | FileCheck %s -check-prefix CHECK32
// RUN: %clang_cc1 -triple x86_64-apple-ios10.3 -fobjc-runtime=ios-6.0 -Os -emit-llvm -o - %s | FileCheck %s -check-prefix CHECK64
// RUN: %clang_cc1 -triple x86_64--windows-msvc -fobjc-runtime=ios-6.0 -Os -emit-llvm -o - %s | FileCheck %s -check-prefix CHECK64
void f(id a) {
for (id i in a)
(void)i;
}
// CHECK32: call i32 bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i32)*)
// CHECK32: call i32 bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i32)*)
// CHECK64: call i64 bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)
// CHECK64: call i64 bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)