reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    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
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=armv6-unknown-linux-gnu | FileCheck %s --check-prefixes=ARMV6
; RUN: llc < %s -mtriple=armv7-unknown-linux-gnu | FileCheck %s --check-prefixes=ARMV7

define { i64, i8 } @mulodi_test(i64 %l, i64 %r) unnamed_addr #0 {
; ARMV6-LABEL: mulodi_test:
; ARMV6:       @ %bb.0: @ %start
; ARMV6-NEXT:    push {r4, r5, r6, lr}
; ARMV6-NEXT:    umull r12, lr, r3, r0
; ARMV6-NEXT:    mov r6, #0
; ARMV6-NEXT:    umull r4, r5, r1, r2
; ARMV6-NEXT:    umull r0, r2, r0, r2
; ARMV6-NEXT:    add r4, r4, r12
; ARMV6-NEXT:    adds r12, r2, r4
; ARMV6-NEXT:    adc r2, r6, #0
; ARMV6-NEXT:    cmp r3, #0
; ARMV6-NEXT:    movne r3, #1
; ARMV6-NEXT:    cmp r1, #0
; ARMV6-NEXT:    movne r1, #1
; ARMV6-NEXT:    cmp r5, #0
; ARMV6-NEXT:    and r1, r1, r3
; ARMV6-NEXT:    movne r5, #1
; ARMV6-NEXT:    cmp lr, #0
; ARMV6-NEXT:    orr r1, r1, r5
; ARMV6-NEXT:    movne lr, #1
; ARMV6-NEXT:    orr r1, r1, lr
; ARMV6-NEXT:    orr r2, r1, r2
; ARMV6-NEXT:    mov r1, r12
; ARMV6-NEXT:    pop {r4, r5, r6, pc}
;
; ARMV7-LABEL: mulodi_test:
; ARMV7:       @ %bb.0: @ %start
; ARMV7-NEXT:    push {r4, r5, r11, lr}
; ARMV7-NEXT:    umull r12, lr, r1, r2
; ARMV7-NEXT:    cmp r3, #0
; ARMV7-NEXT:    umull r4, r5, r3, r0
; ARMV7-NEXT:    movwne r3, #1
; ARMV7-NEXT:    cmp r1, #0
; ARMV7-NEXT:    movwne r1, #1
; ARMV7-NEXT:    umull r0, r2, r0, r2
; ARMV7-NEXT:    cmp lr, #0
; ARMV7-NEXT:    and r1, r1, r3
; ARMV7-NEXT:    movwne lr, #1
; ARMV7-NEXT:    cmp r5, #0
; ARMV7-NEXT:    orr r1, r1, lr
; ARMV7-NEXT:    movwne r5, #1
; ARMV7-NEXT:    orr r3, r1, r5
; ARMV7-NEXT:    add r1, r12, r4
; ARMV7-NEXT:    mov r5, #0
; ARMV7-NEXT:    adds r1, r2, r1
; ARMV7-NEXT:    adc r2, r5, #0
; ARMV7-NEXT:    orr r2, r3, r2
; ARMV7-NEXT:    pop {r4, r5, r11, pc}
start:
  %0 = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %l, i64 %r) #2
  %1 = extractvalue { i64, i1 } %0, 0
  %2 = extractvalue { i64, i1 } %0, 1
  %3 = zext i1 %2 to i8
  %4 = insertvalue { i64, i8 } undef, i64 %1, 0
  %5 = insertvalue { i64, i8 } %4, i8 %3, 1
  ret { i64, i8 } %5
}

; Function Attrs: nounwind readnone speculatable
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #1

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