| Jakob Stoklund Olesen | ca6fd00 | 2011-03-31 22:14:03 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=arm -mcpu=cortex-a8 -regalloc=linearscan | FileCheck %s |
| Evan Cheng | d158fba | 2011-03-15 05:13:13 +0000 | [diff] [blame] | 2 | |
| 3 | ; vmov s0, r0 + vmov r0, s0 should have been optimized away. |
| 4 | ; rdar://9104514 |
| 5 | |
| Jakob Stoklund Olesen | ca6fd00 | 2011-03-31 22:14:03 +0000 | [diff] [blame] | 6 | ; Peephole leaves a dead vmovsr instruction behind, and depends on linear scan |
| 7 | ; to remove it. |
| 8 | |
| Evan Cheng | d158fba | 2011-03-15 05:13:13 +0000 | [diff] [blame] | 9 | define void @t(float %x) nounwind ssp { |
| 10 | entry: |
| 11 | ; CHECK: t: |
| 12 | ; CHECK-NOT: vmov |
| 13 | ; CHECK: bl |
| 14 | %0 = bitcast float %x to i32 |
| 15 | %cmp = icmp ult i32 %0, 2139095039 |
| 16 | br i1 %cmp, label %if.then, label %if.end |
| 17 | |
| 18 | if.then: ; preds = %entry |
| 19 | tail call void @doSomething(float %x) nounwind |
| 20 | br label %if.end |
| 21 | |
| 22 | if.end: ; preds = %if.then, %entry |
| 23 | ret void |
| 24 | } |
| 25 | |
| 26 | declare void @doSomething(float) |