| ; Test moves between GPRs. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| |
| ; Test 8-bit moves, which should get promoted to i32. |
| define i8 @f1(i8 %a, i8 %b) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: lr %r2, %r3 |
| ; CHECK: br %r14 |
| ret i8 %b |
| } |
| |
| ; Test 16-bit moves, which again should get promoted to i32. |
| define i16 @f2(i16 %a, i16 %b) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: lr %r2, %r3 |
| ; CHECK: br %r14 |
| ret i16 %b |
| } |
| |
| ; Test 32-bit moves. |
| define i32 @f3(i32 %a, i32 %b) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: lr %r2, %r3 |
| ; CHECK: br %r14 |
| ret i32 %b |
| } |
| |
| ; Test 64-bit moves. |
| define i64 @f4(i64 %a, i64 %b) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: lgr %r2, %r3 |
| ; CHECK: br %r14 |
| ret i64 %b |
| } |