File: rounding-math.c

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (45 lines) | stat: -rw-r--r-- 1,212 bytes parent folder | download | duplicates (6)
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
// RUN: %clang_cc1 -fexperimental-strict-floating-point -S -emit-llvm -ffp-exception-behavior=strict -Wno-unknown-pragmas %s -o - | FileCheck %s
// RUN: %clang_cc1 -fexperimental-strict-floating-point -S -emit-llvm -frounding-math -Wno-unknown-pragmas %s -o - | FileCheck %s

float PR47807 = -8.6563630030e-03;

// nextUp(1.F) == 0x1.000002p0F

struct S {
  float f;
};

static struct S var_01 = {0x1.000001p0};
struct S *func_01() {
  return &var_01;
}

struct S var_02 = {0x1.000001p0};

struct S *func_03() {
  static struct S var_03 = {0x1.000001p0};
  return &var_03;
}

// CHECK: @var_01 = {{.*}} %struct.S { float 1.000000e+00 }
// CHECK: @var_02 = {{.*}} %struct.S { float 1.000000e+00 }
// CHECK: @func_03.var_03 = {{.*}} %struct.S { float 1.000000e+00 }

#pragma STDC FENV_ROUND FE_UPWARD

static struct S var_04 = {0x1.000001p0};
struct S *func_04() {
  return &var_04;
}

struct S var_05 = {0x1.000001p0};

struct S *func_06() {
  static struct S var_06 = {0x1.000001p0};
  return &var_06;
}

// CHECK: @var_04 = {{.*}} %struct.S { float 0x3FF0000020000000 }
// CHECK: @var_05 = {{.*}} %struct.S { float 0x3FF0000020000000 }
// CHECK: @func_06.var_06 = {{.*}} %struct.S { float 0x3FF0000020000000 }