| ; Test the three-operand forms of XOR. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s |
| |
| ; Check XRK. |
| define i32 @f1(i32 %a, i32 %b, i32 %c) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: xrk %r2, %r3, %r4 |
| ; CHECK: br %r14 |
| %xor = xor i32 %b, %c |
| ret i32 %xor |
| } |
| |
| ; Check that we can still use XR in obvious cases. |
| define i32 @f2(i32 %a, i32 %b) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: xr %r2, %r3 |
| ; CHECK: br %r14 |
| %xor = xor i32 %a, %b |
| ret i32 %xor |
| } |
| |
| ; Check XGRK. |
| define i64 @f3(i64 %a, i64 %b, i64 %c) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: xgrk %r2, %r3, %r4 |
| ; CHECK: br %r14 |
| %xor = xor i64 %b, %c |
| ret i64 %xor |
| } |
| |
| ; Check that we can still use XGR in obvious cases. |
| define i64 @f4(i64 %a, i64 %b) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: xgr %r2, %r3 |
| ; CHECK: br %r14 |
| %xor = xor i64 %a, %b |
| ret i64 %xor |
| } |