| David Xu | 052b9d9 | 2014-09-02 09:33:56 +0000 | [diff] [blame] | 1 | ; RUN: llc -O3 < %s | FileCheck %s |
| 2 | target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" |
| 3 | target triple = "arm64--linux-gnu" |
| 4 | |
| 5 | ; Function Attrs: nounwind readnone |
| 6 | define i32 @test1(i8 %a) { |
| 7 | ; CHECK-LABLE: @test1 |
| 8 | ; CHECK: ubfx {{w[0-9]+}}, w0, #3, #5 |
| 9 | entry: |
| 10 | %conv = zext i8 %a to i32 |
| 11 | %shr1 = lshr i32 %conv, 3 |
| 12 | ret i32 %shr1 |
| 13 | } |
| 14 | |
| 15 | ; Function Attrs: nounwind readnone |
| 16 | define i32 @test2(i8 %a) { |
| 17 | ; CHECK-LABLE: @test2 |
| 18 | ; CHECK: and {{w[0-9]+}}, w0, #0xff |
| 19 | ; CHECK: ubfx {{w[0-9]+}}, w0, #3, #5 |
| 20 | entry: |
| 21 | %conv = zext i8 %a to i32 |
| 22 | %cmp = icmp ugt i8 %a, 47 |
| 23 | %shr5 = lshr i32 %conv, 3 |
| 24 | %retval.0 = select i1 %cmp, i32 %shr5, i32 %conv |
| 25 | ret i32 %retval.0 |
| 26 | } |
| 27 | |
| 28 | |