| Diana Picus | e2626bb | 2017-04-18 08:32:27 +0000 | [diff] [blame] | 1 | ; The hwdiv subtarget feature should only influence thumb, not arm. |
| 2 | ; RUN: llc < %s -mtriple=arm-gnueabi -mattr=+hwdiv | FileCheck %s -check-prefixes=ALL,AEABI-NOHWDIV |
| 3 | ; RUN: llc < %s -mtriple=arm-gnueabi -mattr=-hwdiv | FileCheck %s -check-prefixes=ALL,AEABI-NOHWDIV |
| 4 | ; RUN: llc < %s -mtriple=thumbv7-gnueabi -mattr=+hwdiv | FileCheck %s -check-prefixes=ALL,THUMB-HWDIV |
| 5 | ; RUN: llc < %s -mtriple=thumbv7-gnueabi -mattr=-hwdiv | FileCheck %s -check-prefixes=ALL,AEABI-NOHWDIV |
| 6 | |
| 7 | ; The hwdiv-arm subtarget feature should only influence arm, not thumb. |
| 8 | ; RUN: llc < %s -mtriple=arm-gnueabi -mattr=+hwdiv-arm | FileCheck %s -check-prefixes=ALL,ARM-HWDIV |
| 9 | ; RUN: llc < %s -mtriple=arm-gnueabi -mattr=-hwdiv-arm | FileCheck %s -check-prefixes=ALL,AEABI-NOHWDIV |
| 10 | ; RUN: llc < %s -mtriple=thumbv7-gnueabi -mattr=+hwdiv-arm | FileCheck %s -check-prefixes=ALL,AEABI-NOHWDIV |
| 11 | ; RUN: llc < %s -mtriple=thumbv7-gnueabi -mattr=-hwdiv-arm | FileCheck %s -check-prefixes=ALL,AEABI-NOHWDIV |
| 12 | |
| 13 | define arm_aapcscc i32 @test_i32_srem(i32 %x, i32 %y) { |
| 14 | ; ALL-LABEL: test_i32_srem: |
| 15 | ; ARM-HWDIV: sdiv [[Q:r[0-9]+]], r0, r1 |
| 16 | ; ARM-HWDIV: mul [[P:r[0-9]+]], [[Q]], r1 |
| 17 | ; ARM-HWDIV: sub r0, r0, [[P]] |
| 18 | ; THUMB-HWDIV: sdiv [[Q:r[0-9]+]], r0, r1 |
| 19 | ; THUMB-HWDIV: mls r0, [[Q]], r1, r0 |
| 20 | ; AEABI-NOHWDIV: bl __aeabi_idivmod |
| 21 | ; AEABI-NOHWDIV: mov r0, r1 |
| 22 | %r = srem i32 %x, %y |
| 23 | ret i32 %r |
| 24 | } |
| 25 | |
| 26 | define arm_aapcscc i32 @test_i32_urem(i32 %x, i32 %y) { |
| 27 | ; ALL-LABEL: test_i32_urem: |
| 28 | ; ARM-HWDIV: udiv [[Q:r[0-9]+]], r0, r1 |
| 29 | ; ARM-HWDIV: mul [[P:r[0-9]+]], [[Q]], r1 |
| 30 | ; ARM-HWDIV: sub r0, r0, [[P]] |
| 31 | ; THUMB-HWDIV: udiv [[Q:r[0-9]+]], r0, r1 |
| 32 | ; THUMB-HWDIV: mls r0, [[Q]], r1, r0 |
| 33 | ; AEABI-NOHWDIV: bl __aeabi_uidivmod |
| 34 | ; AEABI-NOHWDIV: mov r0, r1 |
| 35 | %r = urem i32 %x, %y |
| 36 | ret i32 %r |
| 37 | } |