mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
278 lines
9.3 KiB
LLVM
278 lines
9.3 KiB
LLVM
; Test the saving and restoring of GPRs in large frames.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; This is the largest frame size that can use a plain LMG for %r6 and above.
|
|
; It is big enough to require two emergency spill slots at 160(%r15),
|
|
; so get a frame of size 524232 by allocating (524232 - 176) / 8 = 65507
|
|
; extra doublewords.
|
|
define void @f1(i32 *%ptr, i64 %x) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: stmg %r6, %r15, 48(%r15)
|
|
; CHECK: .cfi_offset %r6, -112
|
|
; CHECK: .cfi_offset %r7, -104
|
|
; CHECK: .cfi_offset %r8, -96
|
|
; CHECK: .cfi_offset %r9, -88
|
|
; CHECK: .cfi_offset %r10, -80
|
|
; CHECK: .cfi_offset %r11, -72
|
|
; CHECK: .cfi_offset %r12, -64
|
|
; CHECK: .cfi_offset %r13, -56
|
|
; CHECK: .cfi_offset %r14, -48
|
|
; CHECK: .cfi_offset %r15, -40
|
|
; CHECK: agfi %r15, -524232
|
|
; CHECK: .cfi_def_cfa_offset 524392
|
|
; ...main function body...
|
|
; CHECK-NOT: ag
|
|
; CHECK: lmg %r6, %r15, 524280(%r15)
|
|
; CHECK: br %r14
|
|
%l0 = load volatile i32 , i32 *%ptr
|
|
%l1 = load volatile i32 , i32 *%ptr
|
|
%l4 = load volatile i32 , i32 *%ptr
|
|
%l5 = load volatile i32 , i32 *%ptr
|
|
%l6 = load volatile i32 , i32 *%ptr
|
|
%l7 = load volatile i32 , i32 *%ptr
|
|
%l8 = load volatile i32 , i32 *%ptr
|
|
%l9 = load volatile i32 , i32 *%ptr
|
|
%l10 = load volatile i32 , i32 *%ptr
|
|
%l11 = load volatile i32 , i32 *%ptr
|
|
%l12 = load volatile i32 , i32 *%ptr
|
|
%l13 = load volatile i32 , i32 *%ptr
|
|
%l14 = load volatile i32 , i32 *%ptr
|
|
%add0 = add i32 %l0, %l0
|
|
%add1 = add i32 %l1, %add0
|
|
%add4 = add i32 %l4, %add1
|
|
%add5 = add i32 %l5, %add4
|
|
%add6 = add i32 %l6, %add5
|
|
%add7 = add i32 %l7, %add6
|
|
%add8 = add i32 %l8, %add7
|
|
%add9 = add i32 %l9, %add8
|
|
%add10 = add i32 %l10, %add9
|
|
%add11 = add i32 %l11, %add10
|
|
%add12 = add i32 %l12, %add11
|
|
%add13 = add i32 %l13, %add12
|
|
%add14 = add i32 %l14, %add13
|
|
store volatile i32 %add0, i32 *%ptr
|
|
store volatile i32 %add1, i32 *%ptr
|
|
store volatile i32 %add4, i32 *%ptr
|
|
store volatile i32 %add5, i32 *%ptr
|
|
store volatile i32 %add6, i32 *%ptr
|
|
store volatile i32 %add7, i32 *%ptr
|
|
store volatile i32 %add8, i32 *%ptr
|
|
store volatile i32 %add9, i32 *%ptr
|
|
store volatile i32 %add10, i32 *%ptr
|
|
store volatile i32 %add11, i32 *%ptr
|
|
store volatile i32 %add12, i32 *%ptr
|
|
store volatile i32 %add13, i32 *%ptr
|
|
store volatile i32 %add14, i32 *%ptr
|
|
%y = alloca [65507 x i64], align 8
|
|
%entry = getelementptr inbounds [65507 x i64], [65507 x i64]* %y, i64 0, i64 0
|
|
store volatile i64 %x, i64* %entry
|
|
ret void
|
|
}
|
|
|
|
; This is the largest frame size that can use a plain LMG for %r14 and above
|
|
; It is big enough to require two emergency spill slots at 160(%r15),
|
|
; so get a frame of size 524168 by allocating (524168 - 176) / 8 = 65499
|
|
; extra doublewords.
|
|
define void @f2(i32 *%ptr, i64 %x) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: stmg %r14, %r15, 112(%r15)
|
|
; CHECK: .cfi_offset %r14, -48
|
|
; CHECK: .cfi_offset %r15, -40
|
|
; CHECK: agfi %r15, -524168
|
|
; CHECK: .cfi_def_cfa_offset 524328
|
|
; ...main function body...
|
|
; CHECK-NOT: ag
|
|
; CHECK: lmg %r14, %r15, 524280(%r15)
|
|
; CHECK: br %r14
|
|
%l0 = load volatile i32 , i32 *%ptr
|
|
%l1 = load volatile i32 , i32 *%ptr
|
|
%l4 = load volatile i32 , i32 *%ptr
|
|
%l5 = load volatile i32 , i32 *%ptr
|
|
%l14 = load volatile i32 , i32 *%ptr
|
|
%add0 = add i32 %l0, %l0
|
|
%add1 = add i32 %l1, %add0
|
|
%add4 = add i32 %l4, %add1
|
|
%add5 = add i32 %l5, %add4
|
|
%add14 = add i32 %l14, %add5
|
|
store volatile i32 %add0, i32 *%ptr
|
|
store volatile i32 %add1, i32 *%ptr
|
|
store volatile i32 %add4, i32 *%ptr
|
|
store volatile i32 %add5, i32 *%ptr
|
|
store volatile i32 %add14, i32 *%ptr
|
|
%y = alloca [65499 x i64], align 8
|
|
%entry = getelementptr inbounds [65499 x i64], [65499 x i64]* %y, i64 0, i64 0
|
|
store volatile i64 %x, i64* %entry
|
|
ret void
|
|
}
|
|
|
|
; Like f1 but with a frame that is 8 bytes bigger. This is the smallest
|
|
; frame size that needs two instructions to perform the final LMG for
|
|
; %r6 and above.
|
|
define void @f3(i32 *%ptr, i64 %x) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: stmg %r6, %r15, 48(%r15)
|
|
; CHECK: .cfi_offset %r6, -112
|
|
; CHECK: .cfi_offset %r7, -104
|
|
; CHECK: .cfi_offset %r8, -96
|
|
; CHECK: .cfi_offset %r9, -88
|
|
; CHECK: .cfi_offset %r10, -80
|
|
; CHECK: .cfi_offset %r11, -72
|
|
; CHECK: .cfi_offset %r12, -64
|
|
; CHECK: .cfi_offset %r13, -56
|
|
; CHECK: .cfi_offset %r14, -48
|
|
; CHECK: .cfi_offset %r15, -40
|
|
; CHECK: agfi %r15, -524240
|
|
; CHECK: .cfi_def_cfa_offset 524400
|
|
; ...main function body...
|
|
; CHECK: aghi %r15, 8
|
|
; CHECK: lmg %r6, %r15, 524280(%r15)
|
|
; CHECK: br %r14
|
|
%l0 = load volatile i32 , i32 *%ptr
|
|
%l1 = load volatile i32 , i32 *%ptr
|
|
%l4 = load volatile i32 , i32 *%ptr
|
|
%l5 = load volatile i32 , i32 *%ptr
|
|
%l6 = load volatile i32 , i32 *%ptr
|
|
%l7 = load volatile i32 , i32 *%ptr
|
|
%l8 = load volatile i32 , i32 *%ptr
|
|
%l9 = load volatile i32 , i32 *%ptr
|
|
%l10 = load volatile i32 , i32 *%ptr
|
|
%l11 = load volatile i32 , i32 *%ptr
|
|
%l12 = load volatile i32 , i32 *%ptr
|
|
%l13 = load volatile i32 , i32 *%ptr
|
|
%l14 = load volatile i32 , i32 *%ptr
|
|
%add0 = add i32 %l0, %l0
|
|
%add1 = add i32 %l1, %add0
|
|
%add4 = add i32 %l4, %add1
|
|
%add5 = add i32 %l5, %add4
|
|
%add6 = add i32 %l6, %add5
|
|
%add7 = add i32 %l7, %add6
|
|
%add8 = add i32 %l8, %add7
|
|
%add9 = add i32 %l9, %add8
|
|
%add10 = add i32 %l10, %add9
|
|
%add11 = add i32 %l11, %add10
|
|
%add12 = add i32 %l12, %add11
|
|
%add13 = add i32 %l13, %add12
|
|
%add14 = add i32 %l14, %add13
|
|
store volatile i32 %add0, i32 *%ptr
|
|
store volatile i32 %add1, i32 *%ptr
|
|
store volatile i32 %add4, i32 *%ptr
|
|
store volatile i32 %add5, i32 *%ptr
|
|
store volatile i32 %add6, i32 *%ptr
|
|
store volatile i32 %add7, i32 *%ptr
|
|
store volatile i32 %add8, i32 *%ptr
|
|
store volatile i32 %add9, i32 *%ptr
|
|
store volatile i32 %add10, i32 *%ptr
|
|
store volatile i32 %add11, i32 *%ptr
|
|
store volatile i32 %add12, i32 *%ptr
|
|
store volatile i32 %add13, i32 *%ptr
|
|
store volatile i32 %add14, i32 *%ptr
|
|
%y = alloca [65508 x i64], align 8
|
|
%entry = getelementptr inbounds [65508 x i64], [65508 x i64]* %y, i64 0, i64 0
|
|
store volatile i64 %x, i64* %entry
|
|
ret void
|
|
}
|
|
|
|
; Like f2 but with a frame that is 8 bytes bigger. This is the smallest
|
|
; frame size that needs two instructions to perform the final LMG for
|
|
; %r14 and %r15.
|
|
define void @f4(i32 *%ptr, i64 %x) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: stmg %r14, %r15, 112(%r15)
|
|
; CHECK: .cfi_offset %r14, -48
|
|
; CHECK: .cfi_offset %r15, -40
|
|
; CHECK: agfi %r15, -524176
|
|
; CHECK: .cfi_def_cfa_offset 524336
|
|
; ...main function body...
|
|
; CHECK: aghi %r15, 8
|
|
; CHECK: lmg %r14, %r15, 524280(%r15)
|
|
; CHECK: br %r14
|
|
%l0 = load volatile i32 , i32 *%ptr
|
|
%l1 = load volatile i32 , i32 *%ptr
|
|
%l4 = load volatile i32 , i32 *%ptr
|
|
%l5 = load volatile i32 , i32 *%ptr
|
|
%l14 = load volatile i32 , i32 *%ptr
|
|
%add0 = add i32 %l0, %l0
|
|
%add1 = add i32 %l1, %add0
|
|
%add4 = add i32 %l4, %add1
|
|
%add5 = add i32 %l5, %add4
|
|
%add14 = add i32 %l14, %add5
|
|
store volatile i32 %add0, i32 *%ptr
|
|
store volatile i32 %add1, i32 *%ptr
|
|
store volatile i32 %add4, i32 *%ptr
|
|
store volatile i32 %add5, i32 *%ptr
|
|
store volatile i32 %add14, i32 *%ptr
|
|
%y = alloca [65500 x i64], align 8
|
|
%entry = getelementptr inbounds [65500 x i64], [65500 x i64]* %y, i64 0, i64 0
|
|
store volatile i64 %x, i64* %entry
|
|
ret void
|
|
}
|
|
|
|
; This is the largest frame size for which the preparatory increment for
|
|
; "lmg %r14, %r15, ..." can be done using AGHI.
|
|
define void @f5(i32 *%ptr, i64 %x) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: stmg %r14, %r15, 112(%r15)
|
|
; CHECK: .cfi_offset %r14, -48
|
|
; CHECK: .cfi_offset %r15, -40
|
|
; CHECK: agfi %r15, -556928
|
|
; CHECK: .cfi_def_cfa_offset 557088
|
|
; ...main function body...
|
|
; CHECK: aghi %r15, 32760
|
|
; CHECK: lmg %r14, %r15, 524280(%r15)
|
|
; CHECK: br %r14
|
|
%l0 = load volatile i32 , i32 *%ptr
|
|
%l1 = load volatile i32 , i32 *%ptr
|
|
%l4 = load volatile i32 , i32 *%ptr
|
|
%l5 = load volatile i32 , i32 *%ptr
|
|
%l14 = load volatile i32 , i32 *%ptr
|
|
%add0 = add i32 %l0, %l0
|
|
%add1 = add i32 %l1, %add0
|
|
%add4 = add i32 %l4, %add1
|
|
%add5 = add i32 %l5, %add4
|
|
%add14 = add i32 %l14, %add5
|
|
store volatile i32 %add0, i32 *%ptr
|
|
store volatile i32 %add1, i32 *%ptr
|
|
store volatile i32 %add4, i32 *%ptr
|
|
store volatile i32 %add5, i32 *%ptr
|
|
store volatile i32 %add14, i32 *%ptr
|
|
%y = alloca [69594 x i64], align 8
|
|
%entry = getelementptr inbounds [69594 x i64], [69594 x i64]* %y, i64 0, i64 0
|
|
store volatile i64 %x, i64* %entry
|
|
ret void
|
|
}
|
|
|
|
; This is the smallest frame size for which the preparatory increment for
|
|
; "lmg %r14, %r15, ..." needs to be done using AGFI.
|
|
define void @f6(i32 *%ptr, i64 %x) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: stmg %r14, %r15, 112(%r15)
|
|
; CHECK: .cfi_offset %r14, -48
|
|
; CHECK: .cfi_offset %r15, -40
|
|
; CHECK: agfi %r15, -556936
|
|
; CHECK: .cfi_def_cfa_offset 557096
|
|
; ...main function body...
|
|
; CHECK: agfi %r15, 32768
|
|
; CHECK: lmg %r14, %r15, 524280(%r15)
|
|
; CHECK: br %r14
|
|
%l0 = load volatile i32 , i32 *%ptr
|
|
%l1 = load volatile i32 , i32 *%ptr
|
|
%l4 = load volatile i32 , i32 *%ptr
|
|
%l5 = load volatile i32 , i32 *%ptr
|
|
%l14 = load volatile i32 , i32 *%ptr
|
|
%add0 = add i32 %l0, %l0
|
|
%add1 = add i32 %l1, %add0
|
|
%add4 = add i32 %l4, %add1
|
|
%add5 = add i32 %l5, %add4
|
|
%add14 = add i32 %l14, %add5
|
|
store volatile i32 %add0, i32 *%ptr
|
|
store volatile i32 %add1, i32 *%ptr
|
|
store volatile i32 %add4, i32 *%ptr
|
|
store volatile i32 %add5, i32 *%ptr
|
|
store volatile i32 %add14, i32 *%ptr
|
|
%y = alloca [69595 x i64], align 8
|
|
%entry = getelementptr inbounds [69595 x i64], [69595 x i64]* %y, i64 0, i64 0
|
|
store volatile i64 %x, i64* %entry
|
|
ret void
|
|
}
|