; RUN: llc -O1 -mtriple=armv7s-apple-ios -mcpu=swift < %s -disable-adv-copy-opt=true | FileCheck -check-prefix=NOOPT --check-prefix=CHECK %s ; RUN: llc -O1 -mtriple=armv7s-apple-ios -mcpu=swift < %s -disable-adv-copy-opt=false | FileCheck -check-prefix=OPT --check-prefix=CHECK %s ; RUN: llc -O1 -mtriple=thumbv7s-apple-ios -mcpu=swift < %s -disable-adv-copy-opt=true | FileCheck -check-prefix=NOOPT --check-prefix=CHECK %s ; RUN: llc -O1 -mtriple=thumbv7s-apple-ios -mcpu=swift < %s -disable-adv-copy-opt=false | FileCheck -check-prefix=OPT --check-prefix=CHECK %s ; CHECK-LABEL: simpleVectorDiv ; ABI: %A => r0, r1. ; %B => r2, r3 ; ret => r0, r1 ; We want to compute: ; r0 = r0 / r2 ; r1 = r1 / r3 ; ; NOOPT: vmov [[B:d[0-9]+]], r2, r3 ; NOOPT-NEXT: vmov [[A:d[0-9]+]], r0, r1 ; Move the low part of B into a register. ; Unfortunately, we cannot express that the 's' register is the low ; part of B, i.e., sIdx == BIdx x 2. E.g., B = d1, B_low = s2. ; NOOPT-NEXT: vmov [[B_LOW:r[0-9]+]], s{{[0-9]+}} ; NOOPT-NEXT: vmov [[A_LOW:r[0-9]+]], s{{[0-9]+}} ; NOOPT-NEXT: udiv [[RES_LOW:r[0-9]+]], [[A_LOW]], [[B_LOW]] ; NOOPT-NEXT: vmov [[B_HIGH:r[0-9]+]], s{{[0-9]+}} ; NOOPT-NEXT: vmov [[A_HIGH:r[0-9]+]], s{{[0-9]+}} ; NOOPT-NEXT: udiv [[RES_HIGH:r[0-9]+]], [[A_HIGH]], [[B_HIGH]] ; NOOPT-NEXT: vmov.32 [[RES:d[0-9]+]][0], [[RES_LOW]] ; NOOPT-NEXT: vmov.32 [[RES]][1], [[RES_HIGH]] ; NOOPT-NEXT: vmov r0, r1, [[RES]] ; NOOPT-NEXT: bx lr ; ; OPT-NOT: vmov ; OPT: udiv r0, r0, r2 ; OPT-NEXT: udiv r1, r1, r3 ; OPT-NEXT: bx lr define <2 x i32> @simpleVectorDiv(<2 x i32> %A, <2 x i32> %B) nounwind { entry: %div = udiv <2 x i32> %A, %B ret <2 x i32> %div }