File: float-isnan.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (39 lines) | stat: -rw-r--r-- 1,340 bytes parent folder | download | duplicates (12)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+f -target-abi ilp32f -verify-machineinstrs \
; RUN:   < %s | FileCheck %s
; RUN: llc -mtriple=riscv64 -mattr=+f -target-abi lp64f -verify-machineinstrs \
; RUN:   < %s | FileCheck %s
; RUN: llc -mtriple=riscv32 -mattr=+zfinx -target-abi ilp32 -verify-machineinstrs \
; RUN:   < %s | FileCheck --check-prefix=CHECKZFINX %s
; RUN: llc -mtriple=riscv64 -mattr=+zfinx -target-abi lp64 -verify-machineinstrs \
; RUN:   < %s | FileCheck --check-prefix=CHECKZFINX %s

define zeroext i1 @float_is_nan(float %a) nounwind {
; CHECK-LABEL: float_is_nan:
; CHECK:       # %bb.0:
; CHECK-NEXT:    feq.s a0, fa0, fa0
; CHECK-NEXT:    xori a0, a0, 1
; CHECK-NEXT:    ret
;
; CHECKZFINX-LABEL: float_is_nan:
; CHECKZFINX:       # %bb.0:
; CHECKZFINX-NEXT:    feq.s a0, a0, a0
; CHECKZFINX-NEXT:    xori a0, a0, 1
; CHECKZFINX-NEXT:    ret
  %1 = fcmp uno float %a, 0.000000e+00
  ret i1 %1
}

define zeroext i1 @float_not_nan(float %a) nounwind {
; CHECK-LABEL: float_not_nan:
; CHECK:       # %bb.0:
; CHECK-NEXT:    feq.s a0, fa0, fa0
; CHECK-NEXT:    ret
;
; CHECKZFINX-LABEL: float_not_nan:
; CHECKZFINX:       # %bb.0:
; CHECKZFINX-NEXT:    feq.s a0, a0, a0
; CHECKZFINX-NEXT:    ret
  %1 = fcmp ord float %a, 0.000000e+00
  ret i1 %1
}