llvm-for-llvmta/tools/clang/test/CodeGen/pass-by-value-noalias.c

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2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -fpass-by-value-is-noalias -triple arm64-apple-iphoneos -emit-llvm -disable-llvm-optzns %s -o - 2>&1 | FileCheck --check-prefix=WITH_NOALIAS %s
// RUN: %clang_cc1 -triple arm64-apple-iphoneos -emit-llvm -disable-llvm-optzns %s -o - 2>&1 | FileCheck --check-prefix=NO_NOALIAS %s
// A struct large enough so it is not passed in registers on ARM64.
struct Foo {
int a;
int b;
int c;
int d;
int e;
int f;
};
// WITH_NOALIAS: define{{.*}} void @take(%struct.Foo* noalias %arg)
// NO_NOALIAS: define{{.*}} void @take(%struct.Foo* %arg)
void take(struct Foo arg) {}