forked from OSchip/llvm-project
229 lines
6.1 KiB
C
229 lines
6.1 KiB
C
// RUN: %clang_cc1 -emit-llvm -o %t %s
|
|
// RUN: not grep __builtin %t
|
|
// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple | FileCheck %s
|
|
|
|
int printf(const char *, ...);
|
|
|
|
void p(char *str, int x) {
|
|
printf("%s: %d\n", str, x);
|
|
}
|
|
void q(char *str, double x) {
|
|
printf("%s: %f\n", str, x);
|
|
}
|
|
void r(char *str, void *ptr) {
|
|
printf("%s: %p\n", str, ptr);
|
|
}
|
|
|
|
int random(void);
|
|
|
|
int main() {
|
|
int N = random();
|
|
#define P(n,args) p(#n #args, __builtin_##n args)
|
|
#define Q(n,args) q(#n #args, __builtin_##n args)
|
|
#define R(n,args) r(#n #args, __builtin_##n args)
|
|
#define V(n,args) p(#n #args, (__builtin_##n args, 0))
|
|
P(types_compatible_p, (int, float));
|
|
P(choose_expr, (0, 10, 20));
|
|
P(constant_p, (sizeof(10)));
|
|
P(expect, (N == 12, 0));
|
|
V(prefetch, (&N));
|
|
V(prefetch, (&N, 1));
|
|
V(prefetch, (&N, 1, 0));
|
|
|
|
// Numeric Constants
|
|
|
|
Q(huge_val, ());
|
|
Q(huge_valf, ());
|
|
Q(huge_vall, ());
|
|
Q(inf, ());
|
|
Q(inff, ());
|
|
Q(infl, ());
|
|
|
|
P(fpclassify, (0, 1, 2, 3, 4, 1.0));
|
|
P(fpclassify, (0, 1, 2, 3, 4, 1.0f));
|
|
P(fpclassify, (0, 1, 2, 3, 4, 1.0l));
|
|
// FIXME:
|
|
// P(isinf_sign, (1.0));
|
|
|
|
Q(nan, (""));
|
|
Q(nanf, (""));
|
|
Q(nanl, (""));
|
|
Q(nans, (""));
|
|
Q(nan, ("10"));
|
|
Q(nanf, ("10"));
|
|
Q(nanl, ("10"));
|
|
Q(nans, ("10"));
|
|
|
|
P(isgreater, (1., 2.));
|
|
P(isgreaterequal, (1., 2.));
|
|
P(isless, (1., 2.));
|
|
P(islessequal, (1., 2.));
|
|
P(islessgreater, (1., 2.));
|
|
P(isunordered, (1., 2.));
|
|
|
|
P(isnan, (1.));
|
|
|
|
// Bitwise & Numeric Functions
|
|
|
|
P(abs, (N));
|
|
|
|
P(clz, (N));
|
|
P(clzl, (N));
|
|
P(clzll, (N));
|
|
P(ctz, (N));
|
|
P(ctzl, (N));
|
|
P(ctzll, (N));
|
|
P(ffs, (N));
|
|
P(ffsl, (N));
|
|
P(ffsll, (N));
|
|
P(parity, (N));
|
|
P(parityl, (N));
|
|
P(parityll, (N));
|
|
P(popcount, (N));
|
|
P(popcountl, (N));
|
|
P(popcountll, (N));
|
|
Q(powi, (1.2f, N));
|
|
Q(powif, (1.2f, N));
|
|
Q(powil, (1.2f, N));
|
|
|
|
// Lib functions
|
|
int a, b, n = random(); // Avoid optimizing out.
|
|
char s0[10], s1[] = "Hello";
|
|
V(strcat, (s0, s1));
|
|
V(strcmp, (s0, s1));
|
|
V(strncat, (s0, s1, n));
|
|
V(strchr, (s0, s1[0]));
|
|
V(strrchr, (s0, s1[0]));
|
|
V(strcpy, (s0, s1));
|
|
V(strncpy, (s0, s1, n));
|
|
|
|
// Object size checking
|
|
V(__memset_chk, (s0, 0, sizeof s0, n));
|
|
V(__memcpy_chk, (s0, s1, sizeof s0, n));
|
|
V(__memmove_chk, (s0, s1, sizeof s0, n));
|
|
V(__mempcpy_chk, (s0, s1, sizeof s0, n));
|
|
V(__strncpy_chk, (s0, s1, sizeof s0, n));
|
|
V(__strcpy_chk, (s0, s1, n));
|
|
s0[0] = 0;
|
|
V(__strcat_chk, (s0, s1, n));
|
|
P(object_size, (s0, 0));
|
|
P(object_size, (s0, 1));
|
|
P(object_size, (s0, 2));
|
|
P(object_size, (s0, 3));
|
|
|
|
// Whatever
|
|
|
|
P(bswap16, (N));
|
|
P(bswap32, (N));
|
|
P(bswap64, (N));
|
|
// FIXME
|
|
// V(clear_cache, (&N, &N+1));
|
|
V(trap, ());
|
|
R(extract_return_addr, (&N));
|
|
P(signbit, (1.0));
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
void foo() {
|
|
__builtin_strcat(0, 0);
|
|
}
|
|
|
|
// CHECK-LABEL: define void @bar(
|
|
void bar() {
|
|
float f;
|
|
double d;
|
|
long double ld;
|
|
|
|
// LLVM's hex representation of float constants is really unfortunate;
|
|
// basically it does a float-to-double "conversion" and then prints the
|
|
// hex form of that. That gives us weird artifacts like exponents
|
|
// that aren't numerically similar to the original exponent and
|
|
// significand bit-patterns that are offset by three bits (because
|
|
// the exponent was expanded from 8 bits to 11).
|
|
//
|
|
// 0xAE98 == 1010111010011000
|
|
// 0x15D3 == 1010111010011
|
|
|
|
f = __builtin_huge_valf(); // CHECK: float 0x7FF0000000000000
|
|
d = __builtin_huge_val(); // CHECK: double 0x7FF0000000000000
|
|
ld = __builtin_huge_vall(); // CHECK: x86_fp80 0xK7FFF8000000000000000
|
|
f = __builtin_nanf(""); // CHECK: float 0x7FF8000000000000
|
|
d = __builtin_nan(""); // CHECK: double 0x7FF8000000000000
|
|
ld = __builtin_nanl(""); // CHECK: x86_fp80 0xK7FFFC000000000000000
|
|
f = __builtin_nanf("0xAE98"); // CHECK: float 0x7FF815D300000000
|
|
d = __builtin_nan("0xAE98"); // CHECK: double 0x7FF800000000AE98
|
|
ld = __builtin_nanl("0xAE98"); // CHECK: x86_fp80 0xK7FFFC00000000000AE98
|
|
f = __builtin_nansf(""); // CHECK: float 0x7FF4000000000000
|
|
d = __builtin_nans(""); // CHECK: double 0x7FF4000000000000
|
|
ld = __builtin_nansl(""); // CHECK: x86_fp80 0xK7FFFA000000000000000
|
|
f = __builtin_nansf("0xAE98"); // CHECK: float 0x7FF015D300000000
|
|
d = __builtin_nans("0xAE98"); // CHECK: double 0x7FF000000000AE98
|
|
ld = __builtin_nansl("0xAE98");// CHECK: x86_fp80 0xK7FFF800000000000AE98
|
|
|
|
}
|
|
// CHECK: }
|
|
|
|
|
|
// CHECK-LABEL: define void @test_float_builtins
|
|
void test_float_builtins(float F, double D, long double LD) {
|
|
volatile int res;
|
|
res = __builtin_isinf(F);
|
|
// CHECK: call float @llvm.fabs.f32(float
|
|
// CHECK: fcmp oeq float {{.*}}, 0x7FF0000000000000
|
|
|
|
res = __builtin_isinf(D);
|
|
// CHECK: call double @llvm.fabs.f64(double
|
|
// CHECK: fcmp oeq double {{.*}}, 0x7FF0000000000000
|
|
|
|
res = __builtin_isinf(LD);
|
|
// CHECK: call x86_fp80 @llvm.fabs.f80(x86_fp80
|
|
// CHECK: fcmp oeq x86_fp80 {{.*}}, 0xK7FFF8000000000000000
|
|
|
|
res = __builtin_isfinite(F);
|
|
// CHECK: fcmp oeq float
|
|
// CHECK: call float @llvm.fabs.f32(float
|
|
// CHECK: fcmp une float {{.*}}, 0x7FF0000000000000
|
|
// CHECK: and i1
|
|
|
|
res = __builtin_isnormal(F);
|
|
// CHECK: fcmp oeq float
|
|
// CHECK: call float @llvm.fabs.f32(float
|
|
// CHECK: fcmp ult float {{.*}}, 0x7FF0000000000000
|
|
// CHECK: fcmp uge float {{.*}}, 0x3810000000000000
|
|
// CHECK: and i1
|
|
// CHECK: and i1
|
|
}
|
|
|
|
// CHECK-LABEL: define void @test_float_builtin_ops
|
|
void test_float_builtin_ops(float F, double D, long double LD) {
|
|
volatile float resf;
|
|
volatile double resd;
|
|
volatile long double resld;
|
|
|
|
resf = __builtin_fmodf(F,F);
|
|
// CHECK: frem float
|
|
|
|
resd = __builtin_fmod(D,D);
|
|
// CHECK: frem double
|
|
|
|
resld = __builtin_fmodl(LD,LD);
|
|
// CHECK: frem x86_fp80
|
|
}
|
|
|
|
// CHECK-LABEL: define void @test_builtin_longjmp
|
|
void test_builtin_longjmp(void **buffer) {
|
|
// CHECK: [[BITCAST:%.*]] = bitcast
|
|
// CHECK-NEXT: call void @llvm.eh.sjlj.longjmp(i8* [[BITCAST]])
|
|
__builtin_longjmp(buffer, 1);
|
|
// CHECK-NEXT: unreachable
|
|
}
|
|
|
|
// CHECK-LABEL: define i64 @test_builtin_readcyclecounter
|
|
long long test_builtin_readcyclecounter() {
|
|
// CHECK: call i64 @llvm.readcyclecounter()
|
|
return __builtin_readcyclecounter();
|
|
}
|