Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 1 | ; Test 32-bit atomic NANDs. |
| 2 | ; |
Richard Sandiford | 0175b4a | 2013-07-19 16:21:55 +0000 | [diff] [blame^] | 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 4 | |
| 5 | ; Check NANDs of a variable. |
| 6 | define i32 @f1(i32 %dummy, i32 *%src, i32 %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: l %r2, 0(%r3) |
| 9 | ; CHECK: [[LABEL:\.[^ ]*]]: |
| 10 | ; CHECK: lr %r0, %r2 |
| 11 | ; CHECK: nr %r0, %r4 |
| 12 | ; CHECK: xilf %r0, 4294967295 |
| 13 | ; CHECK: cs %r2, %r0, 0(%r3) |
Richard Sandiford | 586f417 | 2013-05-21 08:53:17 +0000 | [diff] [blame] | 14 | ; CHECK: jlh [[LABEL]] |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 15 | ; CHECK: br %r14 |
| 16 | %res = atomicrmw nand i32 *%src, i32 %b seq_cst |
| 17 | ret i32 %res |
| 18 | } |
| 19 | |
| 20 | ; Check NANDs of 1. |
| 21 | define i32 @f2(i32 %dummy, i32 *%src) { |
Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 22 | ; CHECK-LABEL: f2: |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 23 | ; CHECK: l %r2, 0(%r3) |
| 24 | ; CHECK: [[LABEL:\.[^ ]*]]: |
| 25 | ; CHECK: lr %r0, %r2 |
| 26 | ; CHECK: nilf %r0, 1 |
| 27 | ; CHECK: xilf %r0, 4294967295 |
| 28 | ; CHECK: cs %r2, %r0, 0(%r3) |
Richard Sandiford | 586f417 | 2013-05-21 08:53:17 +0000 | [diff] [blame] | 29 | ; CHECK: jlh [[LABEL]] |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 30 | ; CHECK: br %r14 |
| 31 | %res = atomicrmw nand i32 *%src, i32 1 seq_cst |
| 32 | ret i32 %res |
| 33 | } |
| 34 | |
| 35 | ; Check NANDs of the low end of the NILH range. |
| 36 | define i32 @f3(i32 %dummy, i32 *%src) { |
Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 37 | ; CHECK-LABEL: f3: |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 38 | ; CHECK: nilh %r0, 0 |
| 39 | ; CHECK: xilf %r0, 4294967295 |
| 40 | ; CHECK: br %r14 |
| 41 | %res = atomicrmw nand i32 *%src, i32 65535 seq_cst |
| 42 | ret i32 %res |
| 43 | } |
| 44 | |
| 45 | ; Check the next value up, which must use NILF. |
| 46 | define i32 @f4(i32 %dummy, i32 *%src) { |
Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 47 | ; CHECK-LABEL: f4: |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 48 | ; CHECK: nilf %r0, 65536 |
| 49 | ; CHECK: xilf %r0, 4294967295 |
| 50 | ; CHECK: br %r14 |
| 51 | %res = atomicrmw nand i32 *%src, i32 65536 seq_cst |
| 52 | ret i32 %res |
| 53 | } |
| 54 | |
| 55 | ; Check the largest useful NILL value. |
| 56 | define i32 @f5(i32 %dummy, i32 *%src) { |
Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 57 | ; CHECK-LABEL: f5: |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 58 | ; CHECK: nill %r0, 65534 |
| 59 | ; CHECK: xilf %r0, 4294967295 |
| 60 | ; CHECK: br %r14 |
| 61 | %res = atomicrmw nand i32 *%src, i32 -2 seq_cst |
| 62 | ret i32 %res |
| 63 | } |
| 64 | |
| 65 | ; Check the low end of the NILL range. |
| 66 | define i32 @f6(i32 %dummy, i32 *%src) { |
Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 67 | ; CHECK-LABEL: f6: |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 68 | ; CHECK: nill %r0, 0 |
| 69 | ; CHECK: xilf %r0, 4294967295 |
| 70 | ; CHECK: br %r14 |
| 71 | %res = atomicrmw nand i32 *%src, i32 -65536 seq_cst |
| 72 | ret i32 %res |
| 73 | } |
| 74 | |
| 75 | ; Check the largest useful NILH value, which is one less than the above. |
| 76 | define i32 @f7(i32 %dummy, i32 *%src) { |
Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 77 | ; CHECK-LABEL: f7: |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 78 | ; CHECK: nilh %r0, 65534 |
| 79 | ; CHECK: xilf %r0, 4294967295 |
| 80 | ; CHECK: br %r14 |
| 81 | %res = atomicrmw nand i32 *%src, i32 -65537 seq_cst |
| 82 | ret i32 %res |
| 83 | } |
| 84 | |
| 85 | ; Check the highest useful NILF value, which is one less than the above. |
| 86 | define i32 @f8(i32 %dummy, i32 *%src) { |
Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 87 | ; CHECK-LABEL: f8: |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 88 | ; CHECK: nilf %r0, 4294901758 |
| 89 | ; CHECK: xilf %r0, 4294967295 |
| 90 | ; CHECK: br %r14 |
| 91 | %res = atomicrmw nand i32 *%src, i32 -65538 seq_cst |
| 92 | ret i32 %res |
| 93 | } |