| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 1 | ; Test the "T" asm constraint, which accepts addresses that have a base, |
| 2 | ; an index and a 20-bit displacement. |
| 3 | ; |
| Ulrich Weigand | bd03929 | 2015-01-13 19:45:16 +0000 | [diff] [blame] | 4 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -no-integrated-as | FileCheck %s |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 5 | |
| Ulrich Weigand | daae87aa | 2016-06-13 14:24:05 +0000 | [diff] [blame] | 6 | ; Check the lowest range. |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 7 | define void @f1(i64 %base) { |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 8 | ; CHECK-LABEL: f1: |
| Ulrich Weigand | daae87aa | 2016-06-13 14:24:05 +0000 | [diff] [blame] | 9 | ; CHECK: blah -524288(%r2) |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 10 | ; CHECK: br %r14 |
| Ulrich Weigand | daae87aa | 2016-06-13 14:24:05 +0000 | [diff] [blame] | 11 | %add = add i64 %base, -524288 |
| 12 | %addr = inttoptr i64 %add to i64 * |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 13 | call void asm "blah $0", "=*T" (i64 *%addr) |
| 14 | ret void |
| 15 | } |
| 16 | |
| Ulrich Weigand | daae87aa | 2016-06-13 14:24:05 +0000 | [diff] [blame] | 17 | ; Check the next lowest byte. |
| 18 | define void @f2(i64 %base) { |
| 19 | ; CHECK-LABEL: f2: |
| 20 | ; CHECK: agfi %r2, -524289 |
| 21 | ; CHECK: blah 0(%r2) |
| 22 | ; CHECK: br %r14 |
| 23 | %add = add i64 %base, -524289 |
| 24 | %addr = inttoptr i64 %add to i64 * |
| 25 | call void asm "blah $0", "=*T" (i64 *%addr) |
| 26 | ret void |
| 27 | } |
| 28 | |
| 29 | ; Check the highest range. |
| 30 | define void @f3(i64 %base) { |
| 31 | ; CHECK-LABEL: f3: |
| 32 | ; CHECK: blah 524287(%r2) |
| 33 | ; CHECK: br %r14 |
| 34 | %add = add i64 %base, 524287 |
| 35 | %addr = inttoptr i64 %add to i64 * |
| 36 | call void asm "blah $0", "=*T" (i64 *%addr) |
| 37 | ret void |
| 38 | } |
| 39 | |
| 40 | ; Check the next highest byte. |
| 41 | define void @f4(i64 %base) { |
| 42 | ; CHECK-LABEL: f4: |
| 43 | ; CHECK: agfi %r2, 524288 |
| 44 | ; CHECK: blah 0(%r2) |
| 45 | ; CHECK: br %r14 |
| 46 | %add = add i64 %base, 524288 |
| 47 | %addr = inttoptr i64 %add to i64 * |
| 48 | call void asm "blah $0", "=*T" (i64 *%addr) |
| 49 | ret void |
| 50 | } |
| 51 | |
| 52 | ; Check that indices are allowed |
| 53 | define void @f5(i64 %base, i64 %index) { |
| 54 | ; CHECK-LABEL: f5: |
| 55 | ; CHECK: blah 0(%r3,%r2) |
| 56 | ; CHECK: br %r14 |
| 57 | %add = add i64 %base, %index |
| 58 | %addr = inttoptr i64 %add to i64 * |
| 59 | call void asm "blah $0", "=*T" (i64 *%addr) |
| 60 | ret void |
| 61 | } |
| 62 | |
| 63 | ; Check that indices and displacements are allowed simultaneously |
| 64 | define void @f6(i64 %base, i64 %index) { |
| 65 | ; CHECK-LABEL: f6: |
| 66 | ; CHECK: blah 524287(%r3,%r2) |
| 67 | ; CHECK: br %r14 |
| 68 | %add = add i64 %base, 524287 |
| 69 | %addi = add i64 %add, %index |
| 70 | %addr = inttoptr i64 %addi to i64 * |
| 71 | call void asm "blah $0", "=*T" (i64 *%addr) |
| 72 | ret void |
| 73 | } |