| Artyom Skrobov | 53cf189 | 2017-04-23 06:58:08 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=thumb-eabi %s -verify-machineinstrs -o - | FileCheck %s |
| 2 | ; RUN: llc -mtriple=thumbv6-eabi %s -verify-machineinstrs -o - | FileCheck %s |
| 3 | |
| 4 | define i1 @test(i64 %arg) { |
| 5 | entry: |
| 6 | %ispos = icmp sgt i64 %arg, -1 |
| 7 | %neg = sub i64 0, %arg |
| 8 | %sel = select i1 %ispos, i64 %arg, i64 %neg |
| 9 | %cmp2 = icmp eq i64 %sel, %arg |
| 10 | ret i1 %cmp2 |
| 11 | } |
| 12 | |
| 13 | ; The scheduler used to ignore OptionalDefs, and could unwittingly insert |
| 14 | ; a flag-setting instruction in between an ADDS and the corresponding ADC. |
| 15 | |
| 16 | ; CHECK: adds |
| 17 | ; CHECK-NOT: eors |
| 18 | ; CHECK: adcs |