forked from OSchip/llvm-project
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
// RUN: %clang_cc1 -triple x86_64-gnu-linux -O3 -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK
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// RUN: %clang_cc1 -triple x86_64-windows-pc -O3 -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK
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void GenericTest(_ExtInt(3) a, unsigned _ExtInt(3) b, _ExtInt(4) c) {
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// CHECK: define {{.*}}void @GenericTest
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int which = _Generic(a, _ExtInt(3): 1, unsigned _ExtInt(3) : 2, _ExtInt(4) : 3);
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// CHECK: store i32 1
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int which2 = _Generic(b, _ExtInt(3): 1, unsigned _ExtInt(3) : 2, _ExtInt(4) : 3);
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// CHECK: store i32 2
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int which3 = _Generic(c, _ExtInt(3): 1, unsigned _ExtInt(3) : 2, _ExtInt(4) : 3);
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// CHECK: store i32 3
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}
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void VLATest(_ExtInt(3) A, _ExtInt(99) B, _ExtInt(123456) C) {
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// CHECK: define {{.*}}void @VLATest
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int AR1[A];
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// CHECK: %[[A:.+]] = zext i3 %{{.+}} to i64
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// CHECK: %[[VLA1:.+]] = alloca i32, i64 %[[A]]
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int AR2[B];
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// CHECK: %[[B:.+]] = trunc i99 %{{.+}} to i64
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// CHECK: %[[VLA2:.+]] = alloca i32, i64 %[[B]]
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int AR3[C];
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// CHECK: %[[C:.+]] = trunc i123456 %{{.+}} to i64
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// CHECK: %[[VLA3:.+]] = alloca i32, i64 %[[C]]
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}
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struct S {
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_ExtInt(17) A;
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_ExtInt(16777200) B;
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_ExtInt(17) C;
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};
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void OffsetOfTest() {
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// CHECK: define {{.*}}void @OffsetOfTest
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int A = __builtin_offsetof(struct S,A);
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// CHECK: store i32 0, i32* %{{.+}}
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int B = __builtin_offsetof(struct S,B);
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// CHECK: store i32 8, i32* %{{.+}}
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int C = __builtin_offsetof(struct S,C);
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// CHECK: store i32 2097160, i32* %{{.+}}
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}
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