| ; RUN: llc -mtriple=arm-eabi -mattr=+v6 %s -o - | FileCheck %s |
| |
| ; rotr (rotr x, 4), 6 -> rotr x, 10 -> ror r0, r0, #10 |
| define i32 @test1(i32 %x) nounwind readnone { |
| ; CHECK-LABEL: test1: |
| ; CHECK: ror r0, r0, #10 |
| ; CHECK: bx lr |
| entry: |
| %high_part.i = shl i32 %x, 28 |
| %low_part.i = lshr i32 %x, 4 |
| %result.i = or i32 %high_part.i, %low_part.i |
| %high_part.i.1 = shl i32 %result.i, 26 |
| %low_part.i.2 = lshr i32 %result.i, 6 |
| %result.i.3 = or i32 %low_part.i.2, %high_part.i.1 |
| ret i32 %result.i.3 |
| } |
| |
| ; the same vector test |
| define <2 x i32> @test2(<2 x i32> %x) nounwind readnone { |
| ; CHECK-LABEL: test2: |
| ; CHECK: ror r0, r0, #10 |
| ; CHECK: ror r1, r1, #10 |
| ; CHECK: bx lr |
| entry: |
| %high_part.i = shl <2 x i32> %x, <i32 28, i32 28> |
| %low_part.i = lshr <2 x i32> %x, <i32 4, i32 4> |
| %result.i = or <2 x i32> %high_part.i, %low_part.i |
| %high_part.i.1 = shl <2 x i32> %result.i, <i32 26, i32 26> |
| %low_part.i.2 = lshr <2 x i32> %result.i, <i32 6, i32 6> |
| %result.i.3 = or <2 x i32> %low_part.i.2, %high_part.i.1 |
| ret <2 x i32> %result.i.3 |
| } |
| |