diff options
Diffstat (limited to 'test/CodeGen/SystemZ/Large/branch-range-12.py')
| -rw-r--r-- | test/CodeGen/SystemZ/Large/branch-range-12.py | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/test/CodeGen/SystemZ/Large/branch-range-12.py b/test/CodeGen/SystemZ/Large/branch-range-12.py deleted file mode 100644 index 809483a9fcd2..000000000000 --- a/test/CodeGen/SystemZ/Large/branch-range-12.py +++ /dev/null @@ -1,130 +0,0 @@ -# Test 64-bit COMPARE LOGICAL IMMEDIATE AND BRANCH in cases where the sheer -# number of instructions causes some branches to be out of range. -# RUN: python %s | llc -mtriple=s390x-linux-gnu | FileCheck %s - -# Construct: -# -# before0: -# conditional branch to after0 -# ... -# beforeN: -# conditional branch to after0 -# main: -# 0xffb4 bytes, from MVIY instructions -# conditional branch to main -# after0: -# ... -# conditional branch to main -# afterN: -# -# Each conditional branch sequence occupies 18 bytes if it uses a short -# branch and 24 if it uses a long one. The ones before "main:" have to -# take the branch length into account, which is 6 for short branches, -# so the final (0x4c - 6) / 18 == 3 blocks can use short branches. -# The ones after "main:" do not, so the first 0x4c / 18 == 4 blocks -# can use short branches. The conservative algorithm we use makes -# one of the forward branches unnecessarily long, as noted in the -# check output below. -# -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgfi [[REG]], 50 -# CHECK: jgl [[LABEL:\.L[^ ]*]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgfi [[REG]], 51 -# CHECK: jgl [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgfi [[REG]], 52 -# CHECK: jgl [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgfi [[REG]], 53 -# CHECK: jgl [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgfi [[REG]], 54 -# CHECK: jgl [[LABEL]] -# ...as mentioned above, the next one could be a CLGIJL instead... -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgfi [[REG]], 55 -# CHECK: jgl [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgijl [[REG]], 56, [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgijl [[REG]], 57, [[LABEL]] -# ...main goes here... -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgijl [[REG]], 100, [[LABEL:\.L[^ ]*]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgijl [[REG]], 101, [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgijl [[REG]], 102, [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgijl [[REG]], 103, [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgfi [[REG]], 104 -# CHECK: jgl [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgfi [[REG]], 105 -# CHECK: jgl [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgfi [[REG]], 106 -# CHECK: jgl [[LABEL]] -# CHECK: lg [[REG:%r[0-5]]], 0(%r3) -# CHECK: sg [[REG]], 0(%r4) -# CHECK: clgfi [[REG]], 107 -# CHECK: jgl [[LABEL]] - -branch_blocks = 8 -main_size = 0xffb4 - -print '@global = global i32 0' - -print 'define void @f1(i8 *%base, i64 *%stopa, i64 *%stopb) {' -print 'entry:' -print ' br label %before0' -print '' - -for i in xrange(branch_blocks): - next = 'before%d' % (i + 1) if i + 1 < branch_blocks else 'main' - print 'before%d:' % i - print ' %%bcur%da = load i64 , i64 *%%stopa' % i - print ' %%bcur%db = load i64 , i64 *%%stopb' % i - print ' %%bsub%d = sub i64 %%bcur%da, %%bcur%db' % (i, i, i) - print ' %%btest%d = icmp ult i64 %%bsub%d, %d' % (i, i, i + 50) - print ' br i1 %%btest%d, label %%after0, label %%%s' % (i, next) - print '' - -print '%s:' % next -a, b = 1, 1 -for i in xrange(0, main_size, 6): - a, b = b, a + b - offset = 4096 + b % 500000 - value = a % 256 - print ' %%ptr%d = getelementptr i8, i8 *%%base, i64 %d' % (i, offset) - print ' store volatile i8 %d, i8 *%%ptr%d' % (value, i) - -for i in xrange(branch_blocks): - print ' %%acur%da = load i64 , i64 *%%stopa' % i - print ' %%acur%db = load i64 , i64 *%%stopb' % i - print ' %%asub%d = sub i64 %%acur%da, %%acur%db' % (i, i, i) - print ' %%atest%d = icmp ult i64 %%asub%d, %d' % (i, i, i + 100) - print ' br i1 %%atest%d, label %%main, label %%after%d' % (i, i) - print '' - print 'after%d:' % i - -print ' %dummy = load volatile i32, i32 *@global' -print ' ret void' -print '}' |