| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 1 | ; Test moves between GPRs. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| 4 | |
| 5 | ; Test 8-bit moves, which should get promoted to i32. |
| 6 | define i8 @f1(i8 %a, i8 %b) { |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 7 | ; CHECK-LABEL: f1: |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 8 | ; CHECK: lr %r2, %r3 |
| 9 | ; CHECK: br %r14 |
| 10 | ret i8 %b |
| 11 | } |
| 12 | |
| 13 | ; Test 16-bit moves, which again should get promoted to i32. |
| 14 | define i16 @f2(i16 %a, i16 %b) { |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 15 | ; CHECK-LABEL: f2: |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 16 | ; CHECK: lr %r2, %r3 |
| 17 | ; CHECK: br %r14 |
| 18 | ret i16 %b |
| 19 | } |
| 20 | |
| 21 | ; Test 32-bit moves. |
| 22 | define i32 @f3(i32 %a, i32 %b) { |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 23 | ; CHECK-LABEL: f3: |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 24 | ; CHECK: lr %r2, %r3 |
| 25 | ; CHECK: br %r14 |
| 26 | ret i32 %b |
| 27 | } |
| 28 | |
| 29 | ; Test 64-bit moves. |
| 30 | define i64 @f4(i64 %a, i64 %b) { |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 31 | ; CHECK-LABEL: f4: |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 32 | ; CHECK: lgr %r2, %r3 |
| 33 | ; CHECK: br %r14 |
| 34 | ret i64 %b |
| 35 | } |