File: ftrunc.ll

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 (42 lines) | stat: -rw-r--r-- 1,214 bytes parent folder | download | duplicates (28)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=armv7-eabi < %s | FileCheck %s

define float @trunc_unsigned_f32(float %x) nounwind {
; CHECK-LABEL: trunc_unsigned_f32:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vmov s0, r0
; CHECK-NEXT:    vcvt.u32.f32 s0, s0
; CHECK-NEXT:    vcvt.f32.u32 s0, s0
; CHECK-NEXT:    vmov r0, s0
; CHECK-NEXT:    bx lr
  %i = fptoui float %x to i32
  %r = uitofp i32 %i to float
  ret float %r
}

define double @trunc_unsigned_f64_i64(double %x) nounwind {
; CHECK-LABEL: trunc_unsigned_f64_i64:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    .save {r11, lr}
; CHECK-NEXT:    push {r11, lr}
; CHECK-NEXT:    bl __aeabi_d2ulz
; CHECK-NEXT:    bl __aeabi_ul2d
; CHECK-NEXT:    pop {r11, pc}
  %i = fptoui double %x to i64
  %r = uitofp i64 %i to double
  ret double %r
}

define double @trunc_unsigned_f64_i32(double %x) nounwind {
; CHECK-LABEL: trunc_unsigned_f64_i32:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vmov d16, r0, r1
; CHECK-NEXT:    vcvt.u32.f64 s0, d16
; CHECK-NEXT:    vcvt.f64.u32 d16, s0
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    bx lr
  %i = fptoui double %x to i32
  %r = uitofp i32 %i to double
  ret double %r
}