Pete Cooper | 85b1c48 | 2015-05-08 17:54:32 +0000 | [diff] [blame] | 1 | ; RUN: llc %s -o - -fast-isel=true -O1 -verify-machineinstrs | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| 4 | target triple = "arm64-apple-ios8.0.0" |
| 5 | |
| 6 | ; The machine verifier was asserting on this test because the AND instruction was |
| 7 | ; sunk below the test which killed %tmp340. |
| 8 | ; The kill flags on the test had to be cleared because the AND was going to read |
| 9 | ; registers in a BB after the test instruction. |
| 10 | |
| 11 | ; CHECK: %bb343 |
| 12 | ; CHECK: and |
| 13 | |
| 14 | define i32 @test(i32* %ptr) { |
| 15 | bb: |
| 16 | br label %.thread |
| 17 | |
| 18 | .thread: ; preds = %.thread, %bb |
| 19 | %loc = phi i32 [ %next_iter, %.thread ], [ 0, %bb ] |
| 20 | %next_iter = lshr i32 %loc, 1 |
| 21 | %tmp340 = sub i32 %loc, 1 |
| 22 | %tmp341 = and i32 %tmp340, 1 |
| 23 | %tmp342 = icmp eq i32 %tmp341, 0 |
| 24 | br i1 %tmp342, label %bb343, label %.thread |
| 25 | |
| 26 | bb343: ; preds = %.thread |
| 27 | store i32 %tmp341, i32* %ptr, align 4 |
| 28 | ret i32 -1 |
| 29 | } |