Andrew Zhogin | 2f8be05 | 2017-07-04 19:50:22 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=arm-eabi -mattr=+v6 %s -o - | FileCheck %s |
| 2 | |
| 3 | ; rotr (rotr x, 4), 6 -> rotr x, 10 -> ror r0, r0, #10 |
| 4 | define i32 @test1(i32 %x) nounwind readnone { |
| 5 | ; CHECK-LABEL: test1: |
Andrew Zhogin | 45d1928 | 2017-07-05 17:55:42 +0000 | [diff] [blame] | 6 | ; CHECK: ror r0, r0, #10 |
Andrew Zhogin | 2f8be05 | 2017-07-04 19:50:22 +0000 | [diff] [blame] | 7 | ; CHECK: bx lr |
| 8 | entry: |
| 9 | %high_part.i = shl i32 %x, 28 |
| 10 | %low_part.i = lshr i32 %x, 4 |
| 11 | %result.i = or i32 %high_part.i, %low_part.i |
| 12 | %high_part.i.1 = shl i32 %result.i, 26 |
| 13 | %low_part.i.2 = lshr i32 %result.i, 6 |
| 14 | %result.i.3 = or i32 %low_part.i.2, %high_part.i.1 |
| 15 | ret i32 %result.i.3 |
| 16 | } |
| 17 | |
| 18 | ; the same vector test |
| 19 | define <2 x i32> @test2(<2 x i32> %x) nounwind readnone { |
| 20 | ; CHECK-LABEL: test2: |
Andrew Zhogin | 45d1928 | 2017-07-05 17:55:42 +0000 | [diff] [blame] | 21 | ; CHECK: ror r0, r0, #10 |
| 22 | ; CHECK: ror r1, r1, #10 |
Andrew Zhogin | 2f8be05 | 2017-07-04 19:50:22 +0000 | [diff] [blame] | 23 | ; CHECK: bx lr |
| 24 | entry: |
| 25 | %high_part.i = shl <2 x i32> %x, <i32 28, i32 28> |
| 26 | %low_part.i = lshr <2 x i32> %x, <i32 4, i32 4> |
| 27 | %result.i = or <2 x i32> %high_part.i, %low_part.i |
| 28 | %high_part.i.1 = shl <2 x i32> %result.i, <i32 26, i32 26> |
| 29 | %low_part.i.2 = lshr <2 x i32> %result.i, <i32 6, i32 6> |
| 30 | %result.i.3 = or <2 x i32> %low_part.i.2, %high_part.i.1 |
| 31 | ret <2 x i32> %result.i.3 |
| 32 | } |
| 33 | |