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Diffstat (limited to 'test/CodeGen/SystemZ/Large/spill-02.py')
| -rw-r--r-- | test/CodeGen/SystemZ/Large/spill-02.py | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/test/CodeGen/SystemZ/Large/spill-02.py b/test/CodeGen/SystemZ/Large/spill-02.py deleted file mode 100644 index 4ccfa11a0d3e..000000000000 --- a/test/CodeGen/SystemZ/Large/spill-02.py +++ /dev/null @@ -1,73 +0,0 @@ -# Test cases where we spill from one frame index to another, both of which -# are out of range of MVC, and both of which need emergency spill slots. -# RUN: python %s | llc -mtriple=s390x-linux-gnu | FileCheck %s - -# CHECK: f1: -# CHECK: %fallthru -# CHECK-DAG: stg [[REG1:%r[0-9]+]], 8168(%r15) -# CHECK-DAG: stg [[REG2:%r[0-9]+]], 8176(%r15) -# CHECK-DAG: lay [[REG3:%r[0-9]+]], 8192(%r15) -# CHECK-DAG: lay [[REG4:%r[0-9]+]], 4096(%r15) -# CHECK: mvc 0(8,[[REG3]]), 4088([[REG4]]) -# CHECK-DAG: lg [[REG1]], 8168(%r15) -# CHECK-DAG: lg [[REG2]], 8176(%r15) -# CHECK: %skip -# CHECK: br %r14 - -# Arrange for %foo's spill slot to be at 8184(%r15) and the alloca area to be at -# 8192(%r15). The two emergency spill slots live below that, so this requires -# the first 8168 bytes to be used for the call. 160 of these bytes are -# allocated for the ABI frame. There are also 5 argument registers, one of -# which is used as a base pointer. -args = (8168 - 160) / 8 + (5 - 1) - -print 'declare i64 *@foo(i64 *%s)' % (', i64' * args) -print 'declare void @bar(i64 *)' -print '' -print 'define i64 @f1(i64 %foo) {' -print 'entry:' - -# Make the allocation big, so that it goes at the top of the frame. -print ' %array = alloca [1000 x i64]' -print ' %area = getelementptr [1000 x i64], [1000 x i64] *%array, i64 0, i64 0' -print ' %%base = call i64 *@foo(i64 *%%area%s)' % (', i64 0' * args) -print '' - -# Make sure all GPRs are used. One is needed for the stack pointer and -# another for %base, so we need 14 live values. -count = 14 -for i in range(count): - print ' %%ptr%d = getelementptr i64, i64 *%%base, i64 %d' % (i, i / 2) - print ' %%val%d = load volatile i64 , i64 *%%ptr%d' % (i, i) - print '' - -# Encourage the register allocator to give preference to these %vals -# by using them several times. -for j in range(4): - for i in range(count): - print ' store volatile i64 %%val%d, i64 *%%ptr%d' % (i, i) - print '' - -# Copy the incoming argument, which we expect to be spilled, to the frame -# index for the alloca area. Also throw in a volatile store, so that this -# block cannot be reordered with the surrounding code. -print ' %cond = icmp eq i64 %val0, %val1' -print ' br i1 %cond, label %skip, label %fallthru' -print '' -print 'fallthru:' -print ' store i64 %foo, i64 *%area' -print ' store volatile i64 %val0, i64 *%ptr0' -print ' br label %skip' -print '' -print 'skip:' - -# Use each %val a few more times to emphasise the point, and to make sure -# that they are live across the store of %foo. -for j in range(4): - for i in range(count): - print ' store volatile i64 %%val%d, i64 *%%ptr%d' % (i, i) - print '' - -print ' call void @bar(i64 *%area)' -print ' ret i64 0' -print '}' |
