File: float-isnan.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (35 lines) | stat: -rw-r--r-- 1,076 bytes parent folder | download | duplicates (2) 
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
 
; 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 -check-prefix=RV32IF %s
; RUN: llc -mtriple=riscv64 -mattr=+f -target-abi lp64f -verify-machineinstrs \
; RUN:   < %s | FileCheck -check-prefix=RV64IF %s

define zeroext i1 @float_is_nan(float %a) nounwind {
; RV32IF-LABEL: float_is_nan:
; RV32IF:       # %bb.0:
; RV32IF-NEXT:    feq.s a0, fa0, fa0
; RV32IF-NEXT:    seqz a0, a0
; RV32IF-NEXT:    ret
;
; RV64IF-LABEL: float_is_nan:
; RV64IF:       # %bb.0:
; RV64IF-NEXT:    feq.s a0, fa0, fa0
; RV64IF-NEXT:    seqz a0, a0
; RV64IF-NEXT:    ret
  %1 = fcmp uno float %a, 0.000000e+00
  ret i1 %1
}

define zeroext i1 @float_not_nan(float %a) nounwind {
; RV32IF-LABEL: float_not_nan:
; RV32IF:       # %bb.0:
; RV32IF-NEXT:    feq.s a0, fa0, fa0
; RV32IF-NEXT:    ret
;
; RV64IF-LABEL: float_not_nan:
; RV64IF:       # %bb.0:
; RV64IF-NEXT:    feq.s a0, fa0, fa0
; RV64IF-NEXT:    ret
  %1 = fcmp ord float %a, 0.000000e+00
  ret i1 %1
}