mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
b503b49b51
This adds all CodeGen tests for the SystemZ target. This version of the patch incorporates feedback from a review by Sean Silva. Thanks to all reviewers! Patch by Richard Sandiford. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
166 lines
3.7 KiB
LLVM
166 lines
3.7 KiB
LLVM
; Test ORs 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: f1:
|
|
; CHECK: oi 0(%r2), 1
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, -255
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the highest useful constant, expressed as a signed integer.
|
|
define void @f2(i8 *%ptr) {
|
|
; CHECK: f2:
|
|
; CHECK: oi 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, -2
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the lowest useful constant, expressed as an unsigned integer.
|
|
define void @f3(i8 *%ptr) {
|
|
; CHECK: f3:
|
|
; CHECK: oi 0(%r2), 1
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, 1
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the highest useful constant, expressed as a unsigned integer.
|
|
define void @f4(i8 *%ptr) {
|
|
; CHECK: f4:
|
|
; CHECK: oi 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, 254
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the high end of the OI range.
|
|
define void @f5(i8 *%src) {
|
|
; CHECK: f5:
|
|
; CHECK: oi 4095(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 4095
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, 127
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the next byte up, which should use OIY instead of OI.
|
|
define void @f6(i8 *%src) {
|
|
; CHECK: f6:
|
|
; CHECK: oiy 4096(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 4096
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, 127
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the high end of the OIY range.
|
|
define void @f7(i8 *%src) {
|
|
; CHECK: f7:
|
|
; CHECK: oiy 524287(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 524287
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, 127
|
|
store i8 %or, 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: f8:
|
|
; CHECK: agfi %r2, 524288
|
|
; CHECK: oi 0(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 524288
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, 127
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the high end of the negative OIY range.
|
|
define void @f9(i8 *%src) {
|
|
; CHECK: f9:
|
|
; CHECK: oiy -1(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 -1
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, 127
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check the low end of the OIY range.
|
|
define void @f10(i8 *%src) {
|
|
; CHECK: f10:
|
|
; CHECK: oiy -524288(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 -524288
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, 127
|
|
store i8 %or, 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: f11:
|
|
; CHECK: agfi %r2, -524289
|
|
; CHECK: oi 0(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 -524289
|
|
%val = load i8 *%ptr
|
|
%or = or i8 %val, 127
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check that OI does not allow an index
|
|
define void @f12(i64 %src, i64 %index) {
|
|
; CHECK: f12:
|
|
; CHECK: agr %r2, %r3
|
|
; CHECK: oi 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 *%ptr
|
|
%or = or i8 %val, 127
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Check that OIY does not allow an index
|
|
define void @f13(i64 %src, i64 %index) {
|
|
; CHECK: f13:
|
|
; CHECK: agr %r2, %r3
|
|
; CHECK: oiy 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 *%ptr
|
|
%or = or i8 %val, 127
|
|
store i8 %or, i8 *%ptr
|
|
ret void
|
|
}
|