forked from OSchip/llvm-project
103 lines
2.3 KiB
C++
103 lines
2.3 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
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// Basic base class test.
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struct f0_s0 { unsigned a; };
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struct f0_s1 : public f0_s0 { void *b; };
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// CHECK: define void @_Z2f05f0_s1(i64 %a0.coerce0, i8* %a0.coerce1)
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void f0(f0_s1 a0) { }
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// Check with two eight-bytes in base class.
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struct f1_s0 { unsigned a; unsigned b; float c; };
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struct f1_s1 : public f1_s0 { float d;};
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// CHECK: define void @_Z2f15f1_s1(i64 %a0.coerce0, double %a0.coerce1)
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void f1(f1_s1 a0) { }
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// Check with two eight-bytes in base class and merge.
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struct f2_s0 { unsigned a; unsigned b; float c; };
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struct f2_s1 : public f2_s0 { char d;};
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// CHECK: define void @_Z2f25f2_s1(i64 %a0.coerce0, i64 %a0.coerce1)
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void f2(f2_s1 a0) { }
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// PR5831
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// CHECK: define void @_Z2f34s3_1(i64 %x.coerce)
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struct s3_0 {};
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struct s3_1 { struct s3_0 a; long b; };
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void f3(struct s3_1 x) {}
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// CHECK: define i64 @_Z4f4_0M2s4i(i64 %a)
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// CHECK: define {{.*}} @_Z4f4_1M2s4FivE(i64 %a.coerce0, i64 %a.coerce1)
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struct s4 {};
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typedef int s4::* s4_mdp;
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typedef int (s4::*s4_mfp)();
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s4_mdp f4_0(s4_mdp a) { return a; }
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s4_mfp f4_1(s4_mfp a) { return a; }
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namespace PR7523 {
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struct StringRef {
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char *a;
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};
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void AddKeyword(StringRef, int x);
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void foo() {
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// CHECK: define void @_ZN6PR75233fooEv()
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// CHECK: call void @_ZN6PR752310AddKeywordENS_9StringRefEi(i8* {{.*}}, i32 4)
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AddKeyword(StringRef(), 4);
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}
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}
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namespace PR7742 { // Also rdar://8250764
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struct s2 {
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float a[2];
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};
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struct c2 : public s2 {};
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// CHECK: define double @_ZN6PR77423fooEPNS_2c2E(%"struct.PR7742::c2"* %P)
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c2 foo(c2 *P) {
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}
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}
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namespace PR5179 {
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struct B {};
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struct B1 : B {
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int* pa;
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};
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struct B2 : B {
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B1 b1;
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};
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// CHECK: define i8* @_ZN6PR51793barENS_2B2E(i32* %b2.coerce)
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const void *bar(B2 b2) {
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return b2.b1.pa;
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}
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}
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namespace test5 {
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struct Xbase { };
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struct Empty { };
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struct Y;
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struct X : public Xbase {
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Empty empty;
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Y f();
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};
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struct Y : public X {
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Empty empty;
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};
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X getX();
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int takeY(const Y&, int y);
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void g() {
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// rdar://8340348 - The temporary for the X object needs to have a defined
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// address when passed into X::f as 'this'.
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takeY(getX().f(), 42);
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}
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// CHECK: void @_ZN5test51gEv()
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// CHECK: alloca %"struct.test5::Y"
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// CHECK: alloca %"struct.test5::X"
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// CHECK: alloca %"struct.test5::Y"
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}
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