| ; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=cortex-a8 | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-SWDIV |
| ; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=swift | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-HWDIV,CHECK-HWDIV-ARM-OR-THUMB2 |
| ; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=cortex-r4 | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-SWDIV |
| ; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=cortex-r4f | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-SWDIV |
| ; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=cortex-r5 | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-HWDIV,CHECK-HWDIV-ARM-OR-THUMB2 |
| ; RUN: llc < %s -mtriple=arm-none-eabi -mcpu=cortex-a8 | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-EABI |
| ; RUN: llc < %s -mtriple=armv7 -mcpu=cortex-a7 | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-HWDIV,CHECK-HWDIV-ARM-OR-THUMB2 |
| ; RUN: llc < %s -mtriple=armv7 -mcpu=cortex-a7 -march=thumb | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-HWDIV,CHECK-THUMB,CHECK-HWDIV-ARM-OR-THUMB2 |
| ; RUN: llc %s -o - -mtriple=thumbv8m.main -mcpu=cortex-m33 | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-HWDIV,CHECK-THUMB,CHECK-HWDIV-ARM-OR-THUMB2 |
| ; RUN: llc < %s -mtriple=thumbv8m.base -mcpu=cortex-m23 | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-HWDIV,CHECK-THUMB,CHECK-HWDIV-THUMB1 |
| ; RUN: llc < %s -mtriple=armv7ve-none-linux-gnu | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-HWDIV |
| ; RUN: llc < %s -mtriple=thumbv7ve-none-linux-gnu | \ |
| ; RUN: FileCheck %s -check-prefixes=CHECK,CHECK-HWDIV,CHECK-THUMB |
| |
| define i32 @f1(i32 %a, i32 %b) { |
| entry: |
| ; CHECK-LABEL: f1 |
| ; CHECK-SWDIV: __divsi3 |
| |
| ; CHECK-THUMB: .thumb_func |
| ; CHECK-HWDIV: sdiv |
| |
| ; CHECK-EABI: __aeabi_idiv |
| %tmp1 = sdiv i32 %a, %b ; <i32> [#uses=1] |
| ret i32 %tmp1 |
| } |
| |
| define i32 @f2(i32 %a, i32 %b) { |
| entry: |
| ; CHECK-LABEL: f2 |
| ; CHECK-SWDIV: __udivsi3 |
| |
| ; CHECK-THUMB: .thumb_func |
| ; CHECK-HWDIV: udiv |
| |
| ; CHECK-EABI: __aeabi_uidiv |
| %tmp1 = udiv i32 %a, %b ; <i32> [#uses=1] |
| ret i32 %tmp1 |
| } |
| |
| define i32 @f3(i32 %a, i32 %b) { |
| entry: |
| ; CHECK-LABEL: f3 |
| ; CHECK-SWDIV: __modsi3 |
| |
| ; CHECK-THUMB: .thumb_func |
| ; CHECK-HWDIV: sdiv |
| ; CHECK-HWDIV-ARM-OR-THUMB2-NEXT: mls |
| ; CHECK-HWDIV-THUMB1-NEXT: muls |
| ; CHECK-HWDIV-THUMB1-NEXT: subs |
| |
| ; EABI MODE = Remainder in R1, quotient in R0 |
| ; CHECK-EABI: __aeabi_idivmod |
| ; CHECK-EABI-NEXT: mov r0, r1 |
| %tmp1 = srem i32 %a, %b ; <i32> [#uses=1] |
| ret i32 %tmp1 |
| } |
| |
| define i32 @f4(i32 %a, i32 %b) { |
| entry: |
| ; CHECK-LABEL: f4 |
| ; CHECK-SWDIV: __umodsi3 |
| |
| ; CHECK-THUMB: .thumb_func |
| ; CHECK-HWDIV: udiv |
| ; CHECK-HWDIV-ARM-OR-THUMB2-NEXT: mls |
| ; CHECK-HWDIV-THUMB1-NEXT: muls |
| ; CHECK-HWDIV-THUMB1-NEXT: subs |
| |
| ; EABI MODE = Remainder in R1, quotient in R0 |
| ; CHECK-EABI: __aeabi_uidivmod |
| ; CHECK-EABI-NEXT: mov r0, r1 |
| %tmp1 = urem i32 %a, %b ; <i32> [#uses=1] |
| ret i32 %tmp1 |
| } |
| |
| |
| define i64 @f5(i64 %a, i64 %b) { |
| entry: |
| ; CHECK-LABEL: f5 |
| ; CHECK-SWDIV: __moddi3 |
| |
| ; CHECK-HWDIV: __moddi3 |
| |
| ; EABI MODE = Remainder in R2-R3, quotient in R0-R1 |
| ; CHECK-EABI: __aeabi_ldivmod |
| ; CHECK-EABI-NEXT: mov r0, r2 |
| ; CHECK-EABI-NEXT: mov r1, r3 |
| %tmp1 = srem i64 %a, %b ; <i64> [#uses=1] |
| ret i64 %tmp1 |
| } |
| |
| define i64 @f6(i64 %a, i64 %b) { |
| entry: |
| ; CHECK-LABEL: f6 |
| ; CHECK-SWDIV: __umoddi3 |
| |
| ; CHECK-HWDIV: __umoddi3 |
| |
| ; EABI MODE = Remainder in R2-R3, quotient in R0-R1 |
| ; CHECK-EABI: __aeabi_uldivmod |
| ; CHECK-EABI-NEXT: mov r0, r2 |
| ; CHECK-EABI-NEXT: mov r1, r3 |
| %tmp1 = urem i64 %a, %b ; <i64> [#uses=1] |
| ret i64 %tmp1 |
| } |
| |
| ; Make sure we avoid a libcall for some constants. |
| define i64 @f7(i64 %a) { |
| ; CHECK-LABEL: f7 |
| ; CHECK-SWDIV: adc |
| ; CHECK-SWDIV: umull |
| ; CHECK-HWDIV-ARM-OR-THUMB2: adc |
| ; CHECK-HWDIV-ARM-OR-THUMB2: umull |
| ; CHECK-EABI: adc |
| ; CHECK-EABI: umull |
| ; No 32-bit => 64-bit HW multiply instruction prevents optimisation |
| ; CHECK-HWDIV-THUMB1: __umoddi3 |
| %tmp1 = urem i64 %a, 3 |
| ret i64 %tmp1 |
| } |
| |
| ; Make sure we avoid a libcall for some constants. |
| define i64 @f8(i64 %a) { |
| ; CHECK-LABEL: f8 |
| ; CHECK-SWDIV: adc |
| ; CHECK-SWDIV: umull |
| ; CHECK-HWDIV-ARM-OR-THUMB2: adc |
| ; CHECK-HWDIV-ARM-OR-THUMB2: umull |
| ; CHECK-EABI: adc |
| ; CHECK-EABI: umull |
| ; No 32-bit => 64-bit HW multiply instruction prevents optimisation |
| ; CHECK-HWDIV-THUMB1: __udivdi3 |
| %tmp1 = udiv i64 %a, 3 |
| ret i64 %tmp1 |
| } |