| Louis Gerbarg | b401323 | 2014-05-12 22:13:07 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=arm-darwin -mattr=v6 < %s | FileCheck %s |
| 2 | ; RUN: llc -mtriple=thumb-darwin -mattr=v6 < %s | FileCheck %s |
| Louis Gerbarg | efdcf23 | 2014-05-12 19:53:52 +0000 | [diff] [blame] | 3 | |
| 4 | |
| 5 | define void @test1(i16* nocapture %data) { |
| 6 | entry: |
| 7 | %0 = load i16* %data, align 2 |
| 8 | %1 = tail call i16 @llvm.bswap.i16(i16 %0) |
| 9 | store i16 %1, i16* %data, align 2 |
| 10 | ret void |
| 11 | |
| 12 | ; CHECK-LABEL: test1: |
| 13 | ; CHECK: ldrh r[[R1:[0-9]+]], [r0] |
| 14 | ; CHECK: rev16 r[[R1]], r[[R1]] |
| 15 | ; CHECK: strh r[[R1]], [r0] |
| 16 | } |
| 17 | |
| 18 | |
| 19 | define void @test2(i16* nocapture %data, i16 zeroext %in) { |
| 20 | entry: |
| 21 | %0 = tail call i16 @llvm.bswap.i16(i16 %in) |
| 22 | store i16 %0, i16* %data, align 2 |
| 23 | ret void |
| 24 | |
| 25 | ; CHECK-LABEL: test2: |
| 26 | ; CHECK: rev16 r[[R1:[0-9]+]], r1 |
| 27 | ; CHECK: strh r[[R1]], [r0] |
| 28 | } |
| 29 | |
| 30 | |
| 31 | define i16 @test3(i16* nocapture %data) { |
| 32 | entry: |
| 33 | %0 = load i16* %data, align 2 |
| 34 | %1 = tail call i16 @llvm.bswap.i16(i16 %0) |
| 35 | ret i16 %1 |
| 36 | |
| 37 | ; CHECK-LABEL: test3: |
| 38 | ; CHECK: ldrh r[[R0:[0-9]+]], [r0] |
| 39 | ; CHECK: rev16 r[[R0]], r0 |
| 40 | } |
| 41 | |
| 42 | declare i16 @llvm.bswap.i16(i16) |