| Pete Cooper | 54085cd | 2015-05-06 22:09:29 +0000 | [diff] [blame] | 1 | ; RUN: llc %s -o - -verify-machineinstrs -fast-isel=true | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32" |
| 4 | target triple = "thumbv7-apple-ios8.0.0" |
| 5 | |
| 6 | ; When materializing the '2' for the shifts below, the second shift kills the vreg |
| 7 | ; we materialize in to. However, the first shift was also killing that vreg. |
| 8 | ; This fails the machine verifier because the second use then thinks its reading an |
| 9 | ; undefined register. |
| 10 | |
| 11 | ; CHECK: lsr.w |
| 12 | ; CHECK: lsr.w |
| 13 | |
| 14 | declare void @foo(i32, i32) |
| 15 | |
| 16 | ; Function Attrs: minsize |
| 17 | define i32 @test(i32 %tmp3, i32 %tmp9) #0 { |
| 18 | bb: |
| 19 | %tmp4 = lshr i32 %tmp3, 2 |
| 20 | %tmp10 = lshr i32 %tmp9, 2 |
| 21 | call void @foo(i32 %tmp10, i32 %tmp4) |
| 22 | unreachable |
| 23 | } |
| 24 | |
| 25 | attributes #0 = { minsize } |