| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=arm-darwin -mattr=v6 | FileCheck %s --check-prefixes=CHECK,ARM |
| ; RUN: llc < %s -mtriple=thumb-darwin -mattr=v6 | FileCheck %s --check-prefixes=CHECK,THUMB |
| |
| define void @test1(i16* nocapture %data) { |
| ; CHECK-LABEL: test1: |
| ; CHECK: @ %bb.0: @ %entry |
| ; CHECK-NEXT: ldrh r1, [r0] |
| ; CHECK-NEXT: rev16 r1, r1 |
| ; CHECK-NEXT: strh r1, [r0] |
| ; CHECK-NEXT: bx lr |
| entry: |
| %0 = load i16, i16* %data, align 2 |
| %1 = tail call i16 @llvm.bswap.i16(i16 %0) |
| store i16 %1, i16* %data, align 2 |
| ret void |
| } |
| |
| define void @test2(i16* nocapture %data, i16 zeroext %in) { |
| ; CHECK-LABEL: test2: |
| ; CHECK: @ %bb.0: @ %entry |
| ; CHECK-NEXT: rev16 r1, r1 |
| ; CHECK-NEXT: strh r1, [r0] |
| ; CHECK-NEXT: bx lr |
| entry: |
| %0 = tail call i16 @llvm.bswap.i16(i16 %in) |
| store i16 %0, i16* %data, align 2 |
| ret void |
| } |
| |
| define i16 @test3(i16* nocapture %data) { |
| ; CHECK-LABEL: test3: |
| ; CHECK: @ %bb.0: @ %entry |
| ; CHECK-NEXT: ldrh r0, [r0] |
| ; CHECK-NEXT: rev16 r0, r0 |
| ; CHECK-NEXT: bx lr |
| entry: |
| %0 = load i16, i16* %data, align 2 |
| %1 = tail call i16 @llvm.bswap.i16(i16 %0) |
| ret i16 %1 |
| } |
| |
| declare i16 @llvm.bswap.i16(i16) |