mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-21 02:29:22 +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
166 lines
3.9 KiB
LLVM
166 lines
3.9 KiB
LLVM
; Test ANDs of a constant into a byte of memory.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Check the lowest useful constant, expressed as a signed integer.
|
|
define void @f1(i8 *%ptr) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: ni 0(%r2), 1
|
|
; CHECK: br %r14
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, -255
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the highest useful constant, expressed as a signed integer.
|
|
define void @f2(i8 *%ptr) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: ni 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, -2
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the lowest useful constant, expressed as an unsigned integer.
|
|
define void @f3(i8 *%ptr) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: ni 0(%r2), 1
|
|
; CHECK: br %r14
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 1
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the highest useful constant, expressed as a unsigned integer.
|
|
define void @f4(i8 *%ptr) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: ni 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 254
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the high end of the NI range.
|
|
define void @f5(i8 *%src) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: ni 4095(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 4095
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 127
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the next byte up, which should use NIY instead of NI.
|
|
define void @f6(i8 *%src) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: niy 4096(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 4096
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 127
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the high end of the NIY range.
|
|
define void @f7(i8 *%src) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK: niy 524287(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 524287
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 127
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the next byte up, which needs separate address logic.
|
|
; Other sequences besides this one would be OK.
|
|
define void @f8(i8 *%src) {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK: agfi %r2, 524288
|
|
; CHECK: ni 0(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 524288
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 127
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the high end of the negative NIY range.
|
|
define void @f9(i8 *%src) {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK: niy -1(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 -1
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 127
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the low end of the NIY range.
|
|
define void @f10(i8 *%src) {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK: niy -524288(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 -524288
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 127
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the next byte down, which needs separate address logic.
|
|
; Other sequences besides this one would be OK.
|
|
define void @f11(i8 *%src) {
|
|
; CHECK-LABEL: f11:
|
|
; CHECK: agfi %r2, -524289
|
|
; CHECK: ni 0(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 -524289
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 127
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check that NI does not allow an index
|
|
define void @f12(i64 %src, i64 %index) {
|
|
; CHECK-LABEL: f12:
|
|
; CHECK: agr %r2, %r3
|
|
; CHECK: ni 4095(%r2), 127
|
|
; CHECK: br %r14
|
|
%add1 = add i64 %src, %index
|
|
%add2 = add i64 %add1, 4095
|
|
%ptr = inttoptr i64 %add2 to i8 *
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 127
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check that NIY does not allow an index
|
|
define void @f13(i64 %src, i64 %index) {
|
|
; CHECK-LABEL: f13:
|
|
; CHECK: agr %r2, %r3
|
|
; CHECK: niy 4096(%r2), 127
|
|
; CHECK: br %r14
|
|
%add1 = add i64 %src, %index
|
|
%add2 = add i64 %add1, 4096
|
|
%ptr = inttoptr i64 %add2 to i8 *
|
|
%val = load i8 , i8 *%ptr
|
|
%and = and i8 %val, 127
|
|
store i8 %and, i8 *%ptr
|
|
ret void
|
|
}
|