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2a153101bf
Summary: Refer the MS ARM64 ABI Convention for the behavior for struct returns: https://docs.microsoft.com/en-us/cpp/build/arm64-windows-abi-conventions#return-values Reviewers: mstorsjo, compnerd, rnk, javed.absar, yinma, efriedma Reviewed By: rnk, efriedma Subscribers: haripul, TomTan, yinma, efriedma, kristof.beyls, chrib, llvm-commits Differential Revision: https://reviews.llvm.org/D49464 llvm-svn: 338050
26 lines
661 B
C++
26 lines
661 B
C++
// RUN: %clang_cc1 -triple aarch64-windows -ffreestanding -emit-llvm -O0 \
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// RUN: -x c++ -o - %s | FileCheck %s
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struct pod { int a, b, c, d, e; };
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struct non_pod {
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int a;
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non_pod() {}
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};
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struct pod s;
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struct non_pod t;
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struct pod bar() { return s; }
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struct non_pod foo() { return t; }
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// CHECK: define {{.*}} void @{{.*}}bar{{.*}}(%struct.pod* noalias sret %agg.result)
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// CHECK: define {{.*}} void @{{.*}}foo{{.*}}(%struct.non_pod* noalias %agg.result)
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// Check instance methods.
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struct pod2 { int x; };
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struct Baz { pod2 baz(); };
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int qux() { return Baz().baz().x; }
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// CHECK: declare {{.*}} void @{{.*}}baz@Baz{{.*}}(%struct.Baz*, %struct.pod2*)
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