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https://github.com/Gericom/teak-llvm.git
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c46827c7ed
LLVM IR recently added a Type parameter to the byval Attribute, so that when pointers become opaque and no longer have an element type the information will still be present in IR. For now the Type parameter is optional (which is why Clang didn't need this change at the time), but it will become mandatory soon. llvm-svn: 362652
105 lines
3.9 KiB
C++
105 lines
3.9 KiB
C++
// RUN: %clang_cc1 -O1 -triple wasm32-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck %s
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// RUN: %clang_cc1 -O1 -triple wasm64-unknown-unknown -emit-llvm -o - %s \
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// RUN: | FileCheck %s
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#define concat_(x, y) x##y
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#define concat(x, y) concat_(x, y)
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#define test(T) \
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T forward(T x) { return x; } \
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void use(T x); \
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T concat(def_, T)(void); \
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void concat(test_, T)(void) { use(concat(def_, T)()); }
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struct one_field {
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double d;
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};
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test(one_field);
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// CHECK: define double @_Z7forward9one_field(double returned %{{.*}})
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//
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// CHECK: define void @_Z14test_one_fieldv()
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// CHECK: %[[call:.*]] = tail call double @_Z13def_one_fieldv()
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// CHECK: tail call void @_Z3use9one_field(double %[[call]])
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// CHECK: ret void
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//
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// CHECK: declare void @_Z3use9one_field(double)
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// CHECK: declare double @_Z13def_one_fieldv()
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struct two_fields {
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double d, e;
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};
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test(two_fields);
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// CHECK: define void @_Z7forward10two_fields(%struct.two_fields* noalias nocapture sret %{{.*}}, %struct.two_fields* nocapture readonly byval(%struct.two_fields) align 8 %{{.*}})
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//
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// CHECK: define void @_Z15test_two_fieldsv()
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// CHECK: %[[tmp:.*]] = alloca %struct.two_fields, align 8
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// CHECK: call void @_Z14def_two_fieldsv(%struct.two_fields* nonnull sret %[[tmp]])
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// CHECK: call void @_Z3use10two_fields(%struct.two_fields* nonnull byval(%struct.two_fields) align 8 %[[tmp]])
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// CHECK: ret void
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//
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// CHECK: declare void @_Z3use10two_fields(%struct.two_fields* byval(%struct.two_fields) align 8)
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// CHECK: declare void @_Z14def_two_fieldsv(%struct.two_fields* sret)
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struct copy_ctor {
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double d;
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copy_ctor(copy_ctor const &);
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};
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test(copy_ctor);
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// CHECK: define void @_Z7forward9copy_ctor(%struct.copy_ctor* noalias sret %{{.*}}, %struct.copy_ctor* %{{.*}})
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//
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// CHECK: declare %struct.copy_ctor* @_ZN9copy_ctorC1ERKS_(%struct.copy_ctor* returned, %struct.copy_ctor* dereferenceable(8))
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//
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// CHECK: define void @_Z14test_copy_ctorv()
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// CHECK: %[[tmp:.*]] = alloca %struct.copy_ctor, align 8
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// CHECK: call void @_Z13def_copy_ctorv(%struct.copy_ctor* nonnull sret %[[tmp]])
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// CHECK: call void @_Z3use9copy_ctor(%struct.copy_ctor* nonnull %[[tmp]])
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// CHECK: ret void
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//
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// CHECK: declare void @_Z3use9copy_ctor(%struct.copy_ctor*)
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// CHECK: declare void @_Z13def_copy_ctorv(%struct.copy_ctor* sret)
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struct __attribute__((aligned(16))) aligned_copy_ctor {
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double d, e;
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aligned_copy_ctor(aligned_copy_ctor const &);
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};
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test(aligned_copy_ctor);
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// CHECK: define void @_Z7forward17aligned_copy_ctor(%struct.aligned_copy_ctor* noalias sret %{{.*}}, %struct.aligned_copy_ctor* %{{.*}})
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//
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// CHECK: declare %struct.aligned_copy_ctor* @_ZN17aligned_copy_ctorC1ERKS_(%struct.aligned_copy_ctor* returned, %struct.aligned_copy_ctor* dereferenceable(16))
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//
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// CHECK: define void @_Z22test_aligned_copy_ctorv()
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// CHECK: %[[tmp:.*]] = alloca %struct.aligned_copy_ctor, align 16
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// CHECK: call void @_Z21def_aligned_copy_ctorv(%struct.aligned_copy_ctor* nonnull sret %[[tmp]])
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// CHECK: call void @_Z3use17aligned_copy_ctor(%struct.aligned_copy_ctor* nonnull %[[tmp]])
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// CHECK: ret void
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//
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// CHECK: declare void @_Z3use17aligned_copy_ctor(%struct.aligned_copy_ctor*)
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// CHECK: declare void @_Z21def_aligned_copy_ctorv(%struct.aligned_copy_ctor* sret)
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struct empty {};
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test(empty);
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// CHECK: define void @_Z7forward5empty()
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//
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// CHECK: define void @_Z10test_emptyv()
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// CHECK: tail call void @_Z9def_emptyv()
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// CHECK: tail call void @_Z3use5empty()
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// CHECK: ret void
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//
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// CHECK: declare void @_Z3use5empty()
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// CHECK: declare void @_Z9def_emptyv()
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struct one_bitfield {
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int d : 3;
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};
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test(one_bitfield);
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// CHECK: define i32 @_Z7forward12one_bitfield(i32 returned %{{.*}})
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//
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// CHECK: define void @_Z17test_one_bitfieldv()
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// CHECK: %[[call:.*]] = tail call i32 @_Z16def_one_bitfieldv()
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// CHECK: tail call void @_Z3use12one_bitfield(i32 %[[call]])
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// CHECK: ret void
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//
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// CHECK: declare void @_Z3use12one_bitfield(i32)
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// CHECK: declare i32 @_Z16def_one_bitfieldv()
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