87 lines
1.5 KiB
C++
87 lines
1.5 KiB
C++
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -O3 | FileCheck -check-prefix=CHECK -check-prefix=CHECK-LP64 %s
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// RUN: %clang_cc1 %s -triple=i386-apple-darwin10 -emit-llvm -o - -O3 | FileCheck %s
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// RUN: %clang_cc1 %s -triple=aarch64_be-none-eabi -emit-llvm -o - -O3 | FileCheck %s
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// RUN: %clang_cc1 %s -triple=thumbv7_be-none-eabi -emit-llvm -o - -O3 | FileCheck %s
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// CHECK-LP64: %union.Test1 = type { i32, [4 x i8] }
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union Test1 {
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int a;
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int b: 39;
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};
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Test1 t1;
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// CHECK-LP64: %union.Test2 = type { i8 }
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union Test2 {
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int : 6;
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} t2;
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// CHECK-LP64: %union.Test3 = type { i16 }
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union Test3 {
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int : 9;
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} t3;
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// CHECK: %union.Test4 = type { i8, i8 }
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union Test4 {
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char val : 16;
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};
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Test4 t4;
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#define CHECK(x) if (!(x)) return __LINE__
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// CHECK: define{{.*}} i32 @_Z11test_assignv()
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int test_assign() {
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struct {
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int a;
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unsigned long long b : 65;
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int c;
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} c;
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c.a = 0;
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c.b = (unsigned long long)-1;
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c.c = 0;
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CHECK(c.a == 0);
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CHECK(c.b == (unsigned long long)-1);
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CHECK(c.c == 0);
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Test1 u1;
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Test4 u2;
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u1.b = 1;
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u2.val = 42;
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CHECK(u1.b == 1);
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CHECK(u2.val == 42);
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// CHECK: ret i32 0
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return 0;
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}
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// CHECK: define{{.*}} i32 @_Z9test_initv()
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int test_init() {
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struct S {
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int a;
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unsigned long long b : 65;
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int c;
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};
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S s1 = {1, 42, 0};
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CHECK(s1.a == 1);
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CHECK(s1.b == (unsigned long long)42);
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CHECK(s1.c == 0);
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Test1 u1 = {1};
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Test4 u2 = {42};
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CHECK(u1.a == 1);
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CHECK(u1.b == 1);
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CHECK(u2.val == 42);
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// CHECK: ret i32 0
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return 0;
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}
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