e0ac46e69d
This reverts commit d618f1c3b1.
This commit wasn't reviewed ahead of time and significant concerns were
raised immediately after it landed. According to our developer policy
this warrants immediate revert of the commit.
https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy
Differential Revision: https://reviews.llvm.org/D155509
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,NONCOFF
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// RUN: %clang_cc1 -triple i386-unknown-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,COFF
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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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long long int test5[1024];
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// CHECK-DAG: @test5 = {{.*}}global [1024 x i64] zeroinitializer, align 8
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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, ptr {{.*}}, 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, ptr {{.*}}, 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 <4 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> {{.*}}, ptr {{.*}}, align 64
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// PR24944 - Typedef alignment not honored on no-op cast.
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typedef float __attribute__((vector_size(16), aligned(16))) float4align16;
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typedef float __attribute__((vector_size(16), aligned(2))) float4align2;
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void test6(float4align64 *p) {
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float4align64 vec = *(float4align2*) p;
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}
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// CHECK-LABEL: @test6
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// CHECK: load <4 x float>, ptr {{.*}}, align 2
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typedef int __attribute__((ext_vector_type(200 * 16))) BigVecTy;
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void test7(void) {
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BigVecTy V;
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}
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// CHECK-LABEL: @test7
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// NONCOFF: alloca <3200 x i32>, align 16384
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// COFF: alloca <3200 x i32>, align 8192
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