Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 1 | ; Test the "L" constraint (20-bit signed constants). |
| 2 | ; |
Ulrich Weigand | bd03929 | 2015-01-13 19:45:16 +0000 | [diff] [blame] | 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -no-integrated-as | FileCheck %s |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 4 | |
| 5 | ; Test 1 below the first valid value. |
| 6 | define i32 @f1() { |
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: iilf [[REG:%r[0-5]]], 4294443007 |
| 9 | ; CHECK: blah %r2 [[REG]] |
| 10 | ; CHECK: br %r14 |
| 11 | %val = call i32 asm "blah $0 $1", "=&r,rL" (i32 -524289) |
| 12 | ret i32 %val |
| 13 | } |
| 14 | |
| 15 | ; Test the first valid value. |
| 16 | define i32 @f2() { |
Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 17 | ; CHECK-LABEL: f2: |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 18 | ; CHECK: blah %r2 -524288 |
| 19 | ; CHECK: br %r14 |
| 20 | %val = call i32 asm "blah $0 $1", "=&r,rL" (i32 -524288) |
| 21 | ret i32 %val |
| 22 | } |
| 23 | |
| 24 | ; Test the last valid value. |
| 25 | define i32 @f3() { |
Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 26 | ; CHECK-LABEL: f3: |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 27 | ; CHECK: blah %r2 524287 |
| 28 | ; CHECK: br %r14 |
| 29 | %val = call i32 asm "blah $0 $1", "=&r,rL" (i32 524287) |
| 30 | ret i32 %val |
| 31 | } |
| 32 | |
| 33 | ; Test 1 above the last valid value. |
| 34 | define i32 @f4() { |
Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 35 | ; CHECK-LABEL: f4: |
Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 36 | ; CHECK: llilh [[REG:%r[0-5]]], 8 |
| 37 | ; CHECK: blah %r2 [[REG]] |
| 38 | ; CHECK: br %r14 |
| 39 | %val = call i32 asm "blah $0 $1", "=&r,rL" (i32 524288) |
| 40 | ret i32 %val |
| 41 | } |