xref: /aosp_15_r20/external/clang/test/CodeGen/altivec.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -faltivec -triple powerpc-unknown-unknown -emit-llvm %s -o - | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li // Check initialization
4*67e74705SXin Li 
5*67e74705SXin Li vector int test0 = (vector int)(1);       // CHECK: @test0 = global <4 x i32> <i32 1, i32 1, i32 1, i32 1>
6*67e74705SXin Li vector float test1 = (vector float)(1.0); // CHECK: @test1 = global <4 x float> <float 1.000000e+{{0+}}, float 1.000000e+{{0+}}, float 1.000000e+{{0+}}, float 1.000000e+{{0+}}>
7*67e74705SXin Li 
8*67e74705SXin Li // CHECK: @v1 = global <16 x i8> <i8 0, i8 0, i8 0, i8 1, i8 0, i8 0, i8 0, i8 2, i8 0, i8 0, i8 0, i8 3, i8 0, i8 0, i8 0, i8 4>
9*67e74705SXin Li vector char v1 = (vector char)((vector int)(1, 2, 3, 4));
10*67e74705SXin Li // CHECK: @v2 = global <16 x i8> <i8 63, i8 -128, i8 0, i8 0, i8 64, i8 0, i8 0, i8 0, i8 64, i8 64, i8 0, i8 0, i8 64, i8 -128, i8 0, i8 0>
11*67e74705SXin Li vector char v2 = (vector char)((vector float)(1.0f, 2.0f, 3.0f, 4.0f));
12*67e74705SXin Li // CHECK: @v3 = global <16 x i8> <i8 0, i8 0, i8 0, i8 97, i8 0, i8 0, i8 0, i8 98, i8 0, i8 0, i8 0, i8 99, i8 0, i8 0, i8 0, i8 100>
13*67e74705SXin Li vector char v3 = (vector char)((vector int)('a', 'b', 'c', 'd'));
14*67e74705SXin Li // CHECK: @v4 = global <4 x i32> <i32 16909060, i32 0, i32 0, i32 0>
15*67e74705SXin Li vector int v4 = (vector char){1, 2, 3, 4};
16*67e74705SXin Li 
test2()17*67e74705SXin Li void test2()
18*67e74705SXin Li {
19*67e74705SXin Li   vector int vi;
20*67e74705SXin Li   vector float vf;
21*67e74705SXin Li   vi = (vector int)(1);             // CHECK: <i32 1, i32 1, i32 1, i32 1>
22*67e74705SXin Li   vf = (vector float)(1.0);         // CHECK: <float 1.000000e+{{0+}}, float 1.000000e+{{0+}}, float 1.000000e+{{0+}}, float 1.000000e+{{0+}}>
23*67e74705SXin Li   vi = (vector int)(1, 2, 3, 4);    // CHECK: <i32 1, i32 2, i32 3, i32 4>
24*67e74705SXin Li   vi = (vector int)(1, 2, 3, 4, 5); // CHECK: <i32 1, i32 2, i32 3, i32 4>
25*67e74705SXin Li 
26*67e74705SXin Li   vi = (vector int){1};             // CHECK: <i32 1, i32 0, i32 0, i32 0>
27*67e74705SXin Li   vi = (vector int){1, 2};          // CHECK: <i32 1, i32 2, i32 0, i32 0>
28*67e74705SXin Li   vi = (vector int){1, 2, 3, 4};    // CHECK: <i32 1, i32 2, i32 3, i32 4>
29*67e74705SXin Li 
30*67e74705SXin Li }
31*67e74705SXin Li 
32*67e74705SXin Li // Check pre/post increment/decrement
test3()33*67e74705SXin Li void test3() {
34*67e74705SXin Li   vector int vi;
35*67e74705SXin Li   vi++;                                    // CHECK: add <4 x i32> {{.*}} <i32 1, i32 1, i32 1, i32 1>
36*67e74705SXin Li   vector unsigned int vui;
37*67e74705SXin Li   --vui;                                   // CHECK: add <4 x i32> {{.*}} <i32 -1, i32 -1, i32 -1, i32 -1>
38*67e74705SXin Li   vector float vf;
39*67e74705SXin Li   vf++;                                    // CHECK: fadd <4 x float> {{.*}} <float 1.000000e+{{0+}}, float 1.000000e+{{0+}}, float 1.000000e+{{0+}}, float 1.000000e+{{0+}}>
40*67e74705SXin Li }
41