| Hal Finkel | 6f3387f | 2016-05-25 16:50:22 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s | FileCheck %s |
| 2 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 3 | target triple = "x86_64-unknown-linux-gnu" |
| 4 | |
| 5 | define void @test(i256* %a, i256* %b, i256* %out) #0 { |
| 6 | entry: |
| 7 | %av = load i256, i256* %a |
| 8 | %bv = load i256, i256* %b |
| 9 | %r = mul i256 %av, %bv |
| 10 | store i256 %r, i256* %out |
| 11 | ret void |
| 12 | } |
| 13 | |
| 14 | ; CHECK-LABEL: @test |
| 15 | ; There is a lot of inter-register motion, and so matching the instruction |
| 16 | ; sequence will be fragile. There should be 6 underlying multiplications. |
| 17 | ; CHECK: imulq |
| 18 | ; CHECK: imulq |
| 19 | ; CHECK: imulq |
| 20 | ; CHECK: imulq |
| 21 | ; CHECK: imulq |
| 22 | ; CHECK: imulq |
| 23 | ; CHECK-NOT: imulq |
| 24 | ; CHECK: retq |
| 25 | |
| 26 | attributes #0 = { norecurse nounwind uwtable "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" } |
| 27 | |