File: umulo-32-legalisation-lowering.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (34 lines) | stat: -rw-r--r-- 1,251 bytes parent folder | download | duplicates (23)
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
; RUN: llc < %s -mtriple=thumb-eabi   | FileCheck %s --check-prefixes CHECK,CHECK-LITTLE
; RUN: llc < %s -mtriple=thumbeb-eabi | FileCheck %s --check-prefixes CHECK,CHECK-BIG

define i1 @umulo32(i32 %l, i32 %r) unnamed_addr #0 {
; CHECK-LABEL: umulo32:
; CHECK:                @ %bb.0: @ %start
; CHECK-NEXT:           .save {r7, lr}
; CHECK-NEXT:           push {r7, lr}
; CHECK-LITTLE-NEXT:    movs r2, r1
; CHECK-LITTLE-NEXT:    movs r1, #0
; CHECK-NEXT:           movs r3, r1
; CHECK-BIG-NEXT:       movs r1, r0
; CHECK-BIG-NEXT:       movs r0, #0
; CHECK-BIG-NEXT:       movs r2, r0
; CHECK-NEXT:           bl __aeabi_lmul
; CHECK-LITTLE-NEXT:    movs r0, r1
; CHECK-LITTLE-NEXT:    subs r1, r1, #1
; CHECK-BIG-NEXT:       subs r1, r0, #1
; CHECK-NEXT:           sbcs r0, r1
; CHECK-NEXT:           pop {r7}
; CHECK-NEXT:           pop {r1}
; CHECK-NEXT:           bx r1
start:
  %0 = tail call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %l, i32 %r) #2
  %1 = extractvalue { i32, i1 } %0, 1
  ret i1 %1
}

; Function Attrs: nounwind readnone speculatable
declare { i32, i1 } @llvm.umul.with.overflow.i32(i32, i32) #1

attributes #0 = { nounwind readnone uwtable }
attributes #1 = { nounwind readnone speculatable }
attributes #2 = { nounwind }