60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
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// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
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__attribute((aligned(16))) float a[128];
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union {int a[4]; __attribute((aligned(16))) float b[4];} b;
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// CHECK: @a = {{.*}}zeroinitializer, align 16
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// CHECK: @b = {{.*}}zeroinitializer, align 16
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// PR5279 - Reduced alignment on typedef.
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typedef int myint __attribute__((aligned(1)));
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void test1(myint *p) {
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*p = 0;
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}
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// CHECK: @test1(
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// CHECK: store i32 0, i32* {{.*}}, align 1
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// CHECK: ret void
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int test1a(myint *p) {
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return *p;
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}
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// CHECK: @test1a(
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// CHECK: load i32* {{.*}}, align 1
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// CHECK: ret i32
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// PR5279 - Reduced alignment on typedef.
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typedef float __attribute__((vector_size(16), aligned(4))) packedfloat4;
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void test2(packedfloat4 *p) {
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*p = (packedfloat4) { 3.2f, 2.3f, 0.1f, 0.0f };
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}
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// CHECK: @test2(
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// CHECK: store <4 x float> {{.*}}, align 4
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// CHECK: ret void
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// PR5279 - Reduced alignment on typedef.
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typedef float __attribute__((ext_vector_type(3), aligned(4))) packedfloat3;
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void test3(packedfloat3 *p) {
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*p = (packedfloat3) { 3.2f, 2.3f, 0.1f };
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}
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// CHECK: @test3(
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// CHECK: store <3 x float> {{.*}}, align 4
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// CHECK: ret void
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typedef float __attribute__((vector_size(16), aligned(64))) float4align64;
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// rdar://10639962 - Typedef alignment lost in p[]-style dereferencing
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void test4(float4align64 *p) {
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p[0] = (float4align64){ 3.2f, 2.3f, 0.1f, 0.0f };
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}
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// CHECK: @test4(
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// CHECK: store <4 x float> {{.*}}, <4 x float>* {{.*}}, align 64
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