c2fba6df94
Make sure that empty structs are treated as if it has a size of one bit in function parameters and return types so that it occupies a full argument and/or return register slot. This fixes crashes and miscompilations when passing and/or returning empty structs. Reviewed by: @s-barannikov
25 lines
439 B
C++
25 lines
439 B
C++
// RUN: %clang_cc1 -triple sparcv9-unknown-unknown -emit-llvm %s -o - | FileCheck %s
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class Empty {
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};
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class Long : public Empty {
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public:
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long l;
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};
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// CHECK: define{{.*}} i64 @_Z4foo15Empty(i64 %e.coerce)
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Empty foo1(Empty e) {
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return e;
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}
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// CHECK: define{{.*}} %class.Long @_Z4foo24Long(i64 %l.coerce)
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Long foo2(Long l) {
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return l;
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}
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// CHECK: define{{.*}} i64 @_Z4foo34Long(i64 %l.coerce)
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long foo3(Long l) {
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return l.l;
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}
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