1e45ea12db
This change adds support for function linkage and visibility and related attributes. Most of the test changes are generalizations to allow 'dso_local' to be accepted where we aren't specifically testing for it. Some tests based on CIR inputs have been updated to add 'private' to function declarations where required by newly supported interfaces. The dso-local.c test has been updated to add specific tests for dso_local being set correctly, and a new test, func-linkage.cpp tests other linkage settings. This change sets `comdat` correctly in CIR, but it is not yet applied to functions when lowering to LLVM IR. That will be handled in a later change.
134 lines
5.2 KiB
C++
134 lines
5.2 KiB
C++
// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
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// RUN: FileCheck --input-file=%t.cir %s --check-prefix=CIR
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struct Element {};
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struct Container {};
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Element *begin(Container &);
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Element *end(Container &);
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void for_range() {
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Container c;
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for (Element &e : c)
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;
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}
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// CIR: cir.func{{.*}} @_Z5beginR9Container(!cir.ptr<!rec_Container>) -> !cir.ptr<!rec_Element>
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// CIR: cir.func{{.*}} @_Z3endR9Container(!cir.ptr<!rec_Container>) -> !cir.ptr<!rec_Element
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// CIR: cir.func{{.*}} @_Z9for_rangev()
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// CIR: %[[C_ADDR:.*]] = cir.alloca !rec_Container{{.*}} ["c"]
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// CIR: cir.scope {
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// CIR: %[[RANGE_ADDR:.*]] = cir.alloca !cir.ptr<!rec_Container>{{.*}} ["__range1", init, const]
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// CIR: %[[BEGIN_ADDR:.*]] = cir.alloca !cir.ptr<!rec_Element>{{.*}} ["__begin1", init]
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// CIR: %[[END_ADDR:.*]] = cir.alloca !cir.ptr<!rec_Element>{{.*}} ["__end1", init]
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// CIR: %[[E_ADDR:.*]] = cir.alloca !cir.ptr<!rec_Element>{{.*}} ["e", init, const]
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// CIR: cir.store{{.*}} %[[C_ADDR]], %[[RANGE_ADDR]]
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// CIR: %[[C_REF:.*]] = cir.load{{.*}} %[[RANGE_ADDR]]
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// CIR: %[[BEGIN:.*]] = cir.call @_Z5beginR9Container(%[[C_REF]])
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// CIR: cir.store{{.*}} %[[BEGIN]], %[[BEGIN_ADDR]]
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// CIR: %[[C_REF2:.*]] = cir.load{{.*}} %[[RANGE_ADDR]]
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// CIR: %[[END:.*]] = cir.call @_Z3endR9Container(%[[C_REF2]])
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// CIR: cir.store{{.*}} %[[END]], %[[END_ADDR]]
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// CIR: cir.for : cond {
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// CIR: %[[BEGIN:.*]] = cir.load{{.*}} %[[BEGIN_ADDR]]
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// CIR: %[[END:.*]] = cir.load{{.*}} %[[END_ADDR]]
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// CIR: %[[CMP:.*]] = cir.cmp(ne, %[[BEGIN]], %[[END]])
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// CIR: cir.condition(%[[CMP]])
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// CIR: } body {
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// CIR: %[[E:.*]] = cir.load deref{{.*}} %[[BEGIN_ADDR]]
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// CIR: cir.store{{.*}} %[[E]], %[[E_ADDR]]
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// CIR: cir.yield
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// CIR: } step {
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// CIR: %[[BEGIN:.*]] = cir.load{{.*}} %[[BEGIN_ADDR]]
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// CIR: %[[STEP:.*]] = cir.const #cir.int<1>
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// CIR: %[[NEXT:.*]] = cir.ptr_stride(%[[BEGIN]] {{.*}}, %[[STEP]] {{.*}})
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// CIR: cir.store{{.*}} %[[NEXT]], %[[BEGIN_ADDR]]
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// CIR: cir.yield
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// CIR: }
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// CIR: }
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struct C2 {
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Element *begin();
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Element *end();
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};
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void for_range2() {
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C2 c;
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for (Element &e : c)
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;
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}
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// CIR: cir.func{{.*}} @_Z10for_range2v()
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// CIR: %[[C_ADDR:.*]] = cir.alloca !rec_C2{{.*}} ["c"]
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// CIR: cir.scope {
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// CIR: %[[RANGE_ADDR:.*]] = cir.alloca !cir.ptr<!rec_C2>{{.*}} ["__range1", init, const]
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// CIR: %[[BEGIN_ADDR:.*]] = cir.alloca !cir.ptr<!rec_Element>{{.*}} ["__begin1", init]
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// CIR: %[[END_ADDR:.*]] = cir.alloca !cir.ptr<!rec_Element>{{.*}} ["__end1", init]
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// CIR: %[[E_ADDR:.*]] = cir.alloca !cir.ptr<!rec_Element>{{.*}} ["e", init, const]
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// CIR: cir.store{{.*}} %[[C_ADDR]], %[[RANGE_ADDR]]
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// CIR: %[[C_REF:.*]] = cir.load{{.*}} %[[RANGE_ADDR]]
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// CIR: %[[BEGIN:.*]] = cir.call @_ZN2C25beginEv(%[[C_REF]])
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// CIR: cir.store{{.*}} %[[BEGIN]], %[[BEGIN_ADDR]]
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// CIR: %[[C_REF2:.*]] = cir.load{{.*}} %[[RANGE_ADDR]]
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// CIR: %[[END:.*]] = cir.call @_ZN2C23endEv(%[[C_REF2]])
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// CIR: cir.store{{.*}} %[[END]], %[[END_ADDR]]
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// CIR: cir.for : cond {
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// CIR: %[[BEGIN:.*]] = cir.load{{.*}} %[[BEGIN_ADDR]]
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// CIR: %[[END:.*]] = cir.load{{.*}} %[[END_ADDR]]
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// CIR: %[[CMP:.*]] = cir.cmp(ne, %[[BEGIN]], %[[END]])
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// CIR: cir.condition(%[[CMP]])
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// CIR: } body {
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// CIR: %[[E:.*]] = cir.load deref{{.*}} %[[BEGIN_ADDR]]
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// CIR: cir.store{{.*}} %[[E]], %[[E_ADDR]]
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// CIR: cir.yield
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// CIR: } step {
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// CIR: %[[BEGIN:.*]] = cir.load{{.*}} %[[BEGIN_ADDR]]
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// CIR: %[[STEP:.*]] = cir.const #cir.int<1>
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// CIR: %[[NEXT:.*]] = cir.ptr_stride(%[[BEGIN]] {{.*}}, %[[STEP]] {{.*}})
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// CIR: cir.store{{.*}} %[[NEXT]], %[[BEGIN_ADDR]]
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// CIR: cir.yield
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// CIR: }
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// CIR: }
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// Iterator class definition
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class Iterator {
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public:
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Element& operator*();
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Iterator& operator++();
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bool operator!=(const Iterator& other) const;
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};
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class C3 {
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public:
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Iterator begin();
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Iterator end();
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};
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void for_range3() {
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C3 c;
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for (Element& e : c)
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;
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}
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// CIR: cir.func{{.*}} @_Z10for_range3v()
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// CIR: %[[C_ADDR:.*]] = cir.alloca !rec_C3{{.*}} ["c"]
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// CIR: cir.scope {
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// CIR: %[[RANGE_ADDR:.*]] = cir.alloca !cir.ptr<!rec_C3>{{.*}} ["__range1", init, const]
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// CIR: %[[BEGIN_ADDR:.*]] = cir.alloca !rec_Iterator, !cir.ptr<!rec_Iterator>{{.*}} ["__begin1", init]
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// CIR: %[[END_ADDR:.*]] = cir.alloca !rec_Iterator, !cir.ptr<!rec_Iterator>{{.*}} ["__end1", init]
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// CIR: %[[E_ADDR:.*]] = cir.alloca !cir.ptr<!rec_Element>{{.*}} ["e", init, const]
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// CIR: cir.store{{.*}} %[[C_ADDR]], %[[RANGE_ADDR]]
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// CIR: cir.for : cond {
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// CIR: %[[ITER_NE:.*]] = cir.call @_ZNK8IteratorneERKS_(%[[BEGIN_ADDR]], %[[END_ADDR]])
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// CIR: cir.condition(%[[ITER_NE]])
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// CIR: } body {
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// CIR: %[[E:.*]] = cir.call @_ZN8IteratordeEv(%[[BEGIN_ADDR]])
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// CIR: cir.store{{.*}} %[[E]], %[[E_ADDR]]
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// CIR: cir.yield
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// CIR: } step {
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// CIR: %[[ITER_NEXT:.*]] = cir.call @_ZN8IteratorppEv(%[[BEGIN_ADDR]])
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// CIR: cir.yield
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// CIR: }
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// CIR: }
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