| Jiangning Liu | dcc651f | 2014-08-08 14:19:29 +0000 | [diff] [blame^] | 1 | ; RUN: llc -O3 -mcpu=cortex-a57 < %s | FileCheck %s |
| 2 | |
| 3 | ; CHECK-LABLE: @test |
| 4 | ; CHECK: tst [[CMP:x[0-9]+]], #0x8000000000000000 |
| 5 | ; CHECK: csel [[R0:x[0-9]+]], [[S0:x[0-9]+]], [[S1:x[0-9]+]], eq |
| 6 | ; CHECK: csel [[R1:x[0-9]+]], [[S2:x[0-9]+]], [[S3:x[0-9]+]], eq |
| 7 | target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" |
| 8 | target triple = "arm64--linux-gnueabi" |
| 9 | |
| 10 | define void @test(i64 %a, i64* %ptr1, i64* %ptr2) #0 align 2 { |
| 11 | entry: |
| 12 | %conv = and i64 %a, 4294967295 |
| 13 | %add = add nsw i64 %conv, -1 |
| 14 | %div = sdiv i64 %add, 64 |
| 15 | %rem = srem i64 %add, 64 |
| 16 | %cmp = icmp slt i64 %rem, 0 |
| 17 | br i1 %cmp, label %if.then, label %exit |
| 18 | |
| 19 | if.then: |
| 20 | %add2 = add nsw i64 %rem, 64 |
| 21 | %add3 = add i64 %div, -1 |
| 22 | br label %exit |
| 23 | |
| 24 | exit: |
| 25 | %__n = phi i64 [ %add3, %if.then ], [ %div, %entry ] |
| 26 | %__n.0 = phi i64 [ %add2, %if.then ], [ %rem, %entry ] |
| 27 | store i64 %__n, i64* %ptr1 |
| 28 | store i64 %__n.0, i64* %ptr2 |
| 29 | ret void |
| 30 | } |
| 31 | |
| 32 | |