File: kernel-fp-round.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (44 lines) | stat: -rw-r--r-- 2,140 bytes parent folder | download | duplicates (19)
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
; RUN: llc -simplify-mir -verify-machineinstrs -stop-after=finalize-isel \
; RUN:   -mtriple=powerpc64le-unknown-unknown -mattr=-vsx < %s | FileCheck %s
; RUN: llc -simplify-mir -verify-machineinstrs -stop-after=finalize-isel \
; RUN:   -mtriple=powerpc-unknown-unknown -mcpu=pwr6 -mattr=-vsx < %s | \
; RUN:   FileCheck --check-prefix=CHECK-P6 %s
; RUN: llc -simplify-mir -verify-machineinstrs -stop-after=finalize-isel \
; RUN:   -mtriple=powerpc64-unknown-unknown -mcpu=pwr6 -mattr=-vsx < %s | \
; RUN:   FileCheck --check-prefix=CHECK-P6-64 %s

define float @test(float %a) {
; CHECK:        stack:
; CHECK-NEXT:   - { id: 0, size: 4, alignment: 4 }
; CHECK:        %2:f8rc = nofpexcept FCTIWZ killed %1, implicit $rm
; CHECK:        STFIWX killed %2, $zero8, %3
; CHECK-NEXT:   %4:f8rc = LFIWAX $zero8, %3 :: (load (s32) from %stack.0)
; CHECK-NEXT:   %5:f4rc = nofpexcept FCFIDS killed %4, implicit $rm
; CHECK-NEXT:   $f1 = COPY %5
; CHECK-NEXT:   BLR8 implicit $lr8, implicit $rm, implicit $f1

; CHECK-P6:        stack:
; CHECK-P6-NEXT:   - { id: 0, size: 4, alignment: 4 }
; CHECK-P6:        %2:f8rc = nofpexcept FCTIWZ killed %1, implicit $rm
; CHECK-P6:        STFIWX killed %2, $zero, %3
; CHECK-P6-NEXT:   %4:f8rc = LFIWAX $zero, %3 :: (load (s32) from %stack.0)
; CHECK-P6-NEXT:   %5:f8rc = nofpexcept FCFID killed %4, implicit $rm
; CHECK-P6-NEXT:   %6:f4rc = nofpexcept FRSP killed %5, implicit $rm
; CHECK-P6-NEXT:   $f1 = COPY %6
; CHECK-P6-NEXT:   BLR implicit $lr, implicit $rm, implicit $f1

; CHECK-P6-64:        stack:
; CHECK-P6-64-NEXT:   - { id: 0, size: 4, alignment: 4 }
; CHECK-P6-64:        %2:f8rc = nofpexcept FCTIWZ killed %1, implicit $rm
; CHECK-P6-64:        STFIWX killed %2, $zero8, %3
; CHECK-P6-64-NEXT:   %4:f8rc = LFIWAX $zero8, %3 :: (load (s32) from %stack.0)
; CHECK-P6-64-NEXT:   %5:f8rc = nofpexcept FCFID killed %4, implicit $rm
; CHECK-P6-64-NEXT:   %6:f4rc = nofpexcept FRSP killed %5, implicit $rm
; CHECK-P6-64-NEXT:   $f1 = COPY %6
; CHECK-P6-64-NEXT:   BLR8 implicit $lr8, implicit $rm, implicit $f1

entry:
  %b = fptosi float %a to i32
  %c = sitofp i32 %b to float
  ret float %c
}