Home | History | Annotate | Download | only in ARM
      1 ; RUN: llc -mtriple=arm-darwin  -mattr=v6 < %s | FileCheck %s
      2 ; RUN: llc -mtriple=thumb-darwin  -mattr=v6 < %s | FileCheck %s
      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)
     43