| Richard Sandiford | 0175b4a | 2013-07-19 16:21:55 +0000 | [diff] [blame^] | 1 | ; Test the three-operand forms of XOR. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s |
| 4 | |
| 5 | ; Check XRK. |
| 6 | define i32 @f1(i32 %a, i32 %b, i32 %c) { |
| 7 | ; CHECK-LABEL: f1: |
| 8 | ; CHECK: xrk %r2, %r3, %r4 |
| 9 | ; CHECK: br %r14 |
| 10 | %xor = xor i32 %b, %c |
| 11 | ret i32 %xor |
| 12 | } |
| 13 | |
| 14 | ; Check that we can still use XR in obvious cases. |
| 15 | define i32 @f2(i32 %a, i32 %b) { |
| 16 | ; CHECK-LABEL: f2: |
| 17 | ; CHECK: xr %r2, %r3 |
| 18 | ; CHECK: br %r14 |
| 19 | %xor = xor i32 %a, %b |
| 20 | ret i32 %xor |
| 21 | } |