File: builtin_float.c

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (81 lines) | stat: -rw-r--r-- 2,599 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
// RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-pc -o - %s | FileCheck %s --check-prefixes=CHECK,FP16
// RUN: %clang_cc1 -emit-llvm -triple ppc64-be -o - %s -DNO_FP16 | FileCheck %s --check-prefixes=CHECK,NOFP16

// test to ensure that these builtins don't do the variadic promotion of float->double.
void test_floats(float f1, float f2) {
  (void)__builtin_isgreater(f1, f2);
  // CHECK: fcmp ogt float
  // CHECK-NEXT: zext i1
  (void)__builtin_isgreaterequal(f1, f2);
  // CHECK: fcmp oge float
  // CHECK-NEXT: zext i1
  (void)__builtin_isless(f1, f2);
  // CHECK: fcmp olt float
  // CHECK-NEXT: zext i1
  (void)__builtin_islessequal(f1, f2);
  // CHECK: fcmp ole float
  // CHECK-NEXT: zext i1
  (void)__builtin_islessgreater(f1, f2);
  // CHECK: fcmp one float
  // CHECK-NEXT: zext i1
  (void)__builtin_isunordered(f1, f2);
  // CHECK: fcmp uno float
  // CHECK-NEXT: zext i1
}

void test_doubles(double d1, double f2) {
  (void)__builtin_isgreater(d1, f2);
  // CHECK: fcmp ogt double
  // CHECK-NEXT: zext i1
  (void)__builtin_isgreaterequal(d1, f2);
  // CHECK: fcmp oge double
  // CHECK-NEXT: zext i1
  (void)__builtin_isless(d1, f2);
  // CHECK: fcmp olt double
  // CHECK-NEXT: zext i1
  (void)__builtin_islessequal(d1, f2);
  // CHECK: fcmp ole double
  // CHECK-NEXT: zext i1
  (void)__builtin_islessgreater(d1, f2);
  // CHECK: fcmp one double
  // CHECK-NEXT: zext i1
  (void)__builtin_isunordered(d1, f2);
  // CHECK: fcmp uno double
  // CHECK-NEXT: zext i1
}

void test_half(__fp16 *H, __fp16 *H2) {
  (void)__builtin_isgreater(*H, *H2);
  // CHECK: fcmp ogt float
  // CHECK-NEXT: zext i1
  (void)__builtin_isinf(*H);
  // NOFP16: fcmp oeq float %{{.+}}, 0x7FF
  // FP16: fcmp oeq half %{{.+}}, 0xH7C
}

void test_mixed(double d1, float f2) {
  (void)__builtin_isgreater(d1, f2);
  // CHECK: fpext float {{.*}} to double
  // CHECK-NEXT: fcmp ogt double
  // CHECK-NEXT: zext i1
  (void)__builtin_isgreaterequal(d1, f2);
  // CHECK: fpext float {{.*}} to double
  // CHECK-NEXT: fcmp oge double
  // CHECK-NEXT: zext i1
  (void)__builtin_isless(d1, f2);
  // CHECK: fpext float {{.*}} to double
  // CHECK-NEXT: fcmp olt double
  // CHECK-NEXT: zext i1
  (void)__builtin_islessequal(d1, f2);
  // CHECK: fpext float {{.*}} to double
  // CHECK-NEXT: fcmp ole double
  // CHECK-NEXT: zext i1
  (void)__builtin_islessgreater(d1, f2);
  // CHECK: fpext float {{.*}} to double
  // CHECK-NEXT: fcmp one double
  // CHECK-NEXT: zext i1
  (void)__builtin_isunordered(d1, f2);
  // CHECK: fpext float {{.*}} to double
  // CHECK-NEXT: fcmp uno double
  // CHECK-NEXT: zext i1
}