зеркало из https://github.com/microsoft/clang-1.git
141 строка
2.1 KiB
C
141 строка
2.1 KiB
C
// RUN: clang-cc -emit-llvm %s -o %t
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typedef __attribute__(( ext_vector_type(4) )) float float4;
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typedef __attribute__(( ext_vector_type(2) )) float float2;
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typedef __attribute__(( ext_vector_type(4) )) int int4;
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float4 foo = (float4){ 1.0, 2.0, 3.0, 4.0 };
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const float4 bar = (float4){ 1.0, 2.0, 3.0, __builtin_inff() };
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float4 test1(float4 V) {
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return V.wzyx+V;
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}
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float2 vec2, vec2_2;
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float4 vec4, vec4_2;
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float f;
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void test2() {
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vec2 = vec4.xy; // shorten
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f = vec2.x; // extract elt
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vec4 = vec4.yyyy; // splat
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vec2.x = f; // insert one.
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vec2.yx = vec2; // reverse
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}
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void test3(float4 *out) {
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*out = ((float4) {1.0f, 2.0f, 3.0f, 4.0f });
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}
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void test4(float4 *out) {
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float a = 1.0f;
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float b = 2.0f;
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float c = 3.0f;
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float d = 4.0f;
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*out = ((float4) {a,b,c,d});
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}
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void test5(float4 *out) {
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float a;
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float4 b;
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a = 1.0f;
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b = a;
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b = b * 5.0f;
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b = 5.0f * b;
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b *= a;
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*out = b;
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}
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void test6(float4 *ap, float4 *bp, float c) {
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float4 a = *ap;
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float4 b = *bp;
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a = a + b;
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a = a - b;
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a = a * b;
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a = a / b;
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a = a + c;
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a = a - c;
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a = a * c;
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a = a / c;
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a += b;
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a -= b;
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a *= b;
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a /= b;
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a += c;
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a -= c;
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a *= c;
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a /= c;
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// Vector comparisons can sometimes crash the x86 backend: rdar://6326239,
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// reject them until the implementation is stable.
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#if 0
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int4 cmp;
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cmp = a < b;
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cmp = a <= b;
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cmp = a < b;
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cmp = a >= b;
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cmp = a == b;
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cmp = a != b;
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#endif
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}
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void test7(int4 *ap, int4 *bp, int c) {
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int4 a = *ap;
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int4 b = *bp;
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a = a + b;
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a = a - b;
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a = a * b;
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a = a / b;
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a = a % b;
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a = a + c;
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a = a - c;
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a = a * c;
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a = a / c;
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a = a % c;
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a += b;
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a -= b;
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a *= b;
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a /= b;
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a %= b;
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a += c;
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a -= c;
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a *= c;
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a /= c;
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a %= c;
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// Vector comparisons.
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int4 cmp;
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cmp = a < b;
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cmp = a <= b;
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cmp = a < b;
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cmp = a >= b;
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cmp = a == b;
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cmp = a != b;
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}
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void test8(float4 *ap, float4 *bp, int c) {
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float4 a = *ap;
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float4 b = *bp;
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// Vector comparisons.
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int4 cmp;
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cmp = a < b;
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cmp = a <= b;
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cmp = a < b;
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cmp = a >= b;
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cmp = a == b;
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cmp = a != b;
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}
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