| Marcin Koscielnicki | bbac890 | 2016-05-10 16:49:04 +0000 | [diff] [blame] | 1 | ; Test proper extension of 8-bit/16-bit cmpxchg. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| 4 | |
| 5 | ; CHECK-LABEL: f1 |
| 6 | ; CHECK: crjlh |
| 7 | ; CHECK-NOT: llcr |
| 8 | ; CHECK-NOT: cr |
| 9 | ; CHECK: llgcr %r2, [[RES:%r[0-9]+]] |
| 10 | ; CHECK-NOT: llcr |
| 11 | ; CHECK-NOT: cr |
| 12 | define zeroext i8 @f1(i8* nocapture, i8 zeroext, i8 zeroext) { |
| 13 | %cx = cmpxchg i8* %0, i8 %1, i8 %2 seq_cst seq_cst |
| 14 | %res = extractvalue { i8, i1 } %cx, 0 |
| 15 | ret i8 %res |
| 16 | } |
| 17 | |
| 18 | ; CHECK-LABEL: f2 |
| 19 | ; CHECK: crjlh |
| 20 | ; CHECK-NOT: llhr |
| 21 | ; CHECK-NOT: cr |
| 22 | ; CHECK: llghr %r2, [[RES:%r[0-9]+]] |
| 23 | ; CHECK-NOT: llhr |
| 24 | ; CHECK-NOT: cr |
| 25 | define zeroext i16 @f2(i16* nocapture, i16 zeroext, i16 zeroext) { |
| 26 | %cx = cmpxchg i16* %0, i16 %1, i16 %2 seq_cst seq_cst |
| 27 | %res = extractvalue { i16, i1 } %cx, 0 |
| 28 | ret i16 %res |
| 29 | } |
| 30 | |
| 31 | ; CHECK-LABEL: f3 |
| 32 | ; CHECK: crjlh |
| 33 | ; CHECK-NOT: llcr |
| 34 | ; CHECK-NOT: cr |
| 35 | ; CHECK: lgbr %r2, [[RES:%r[0-9]+]] |
| 36 | ; CHECK-NOT: llcr |
| 37 | ; CHECK-NOT: cr |
| 38 | define signext i8 @f3(i8* nocapture, i8 signext, i8 signext) { |
| 39 | %cx = cmpxchg i8* %0, i8 %1, i8 %2 seq_cst seq_cst |
| 40 | %res = extractvalue { i8, i1 } %cx, 0 |
| 41 | ret i8 %res |
| 42 | } |
| 43 | |
| 44 | ; CHECK-LABEL: f4 |
| 45 | ; CHECK: crjlh |
| 46 | ; CHECK-NOT: llhr |
| 47 | ; CHECK-NOT: cr |
| 48 | ; CHECK: lghr %r2, [[RES:%r[0-9]+]] |
| 49 | ; CHECK-NOT: llhr |
| 50 | ; CHECK-NOT: cr |
| 51 | define signext i16 @f4(i16* nocapture, i16 signext, i16 signext) { |
| 52 | %cx = cmpxchg i16* %0, i16 %1, i16 %2 seq_cst seq_cst |
| 53 | %res = extractvalue { i16, i1 } %cx, 0 |
| 54 | ret i16 %res |
| 55 | } |
| 56 | |