| ; Test three-operand multiplication instructions on z14. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| |
| ; Check MSRKC. |
| define i32 @f1(i32 %dummy, i32 %a, i32 %b) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: msrkc %r2, %r3, %r4 |
| ; CHECK: br %r14 |
| %mul = mul i32 %a, %b |
| ret i32 %mul |
| } |
| |
| ; Check MSGRKC. |
| define i64 @f2(i64 %dummy, i64 %a, i64 %b) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: msgrkc %r2, %r3, %r4 |
| ; CHECK: br %r14 |
| %mul = mul i64 %a, %b |
| ret i64 %mul |
| } |
| |
| ; Verify that we still use MSGFR for i32->i64 multiplies. |
| define i64 @f3(i64 %a, i32 %b) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: msgfr %r2, %r3 |
| ; CHECK: br %r14 |
| %bext = sext i32 %b to i64 |
| %mul = mul i64 %a, %bext |
| ret i64 %mul |
| } |
| |
