mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 15:32:52 +01:00
167 lines
3.4 KiB
LLVM
167 lines
3.4 KiB
LLVM
|
; Test moves of integers to byte memory locations.
|
||
|
;
|
||
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
||
|
|
||
|
; Check the low end of the unsigned range.
|
||
|
define void @f1(i8 *%ptr) {
|
||
|
; CHECK: f1:
|
||
|
; CHECK: mvi 0(%r2), 0
|
||
|
; CHECK: br %r14
|
||
|
store i8 0, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the high end of the signed range.
|
||
|
define void @f2(i8 *%ptr) {
|
||
|
; CHECK: f2:
|
||
|
; CHECK: mvi 0(%r2), 127
|
||
|
; CHECK: br %r14
|
||
|
store i8 127, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the next value up.
|
||
|
define void @f3(i8 *%ptr) {
|
||
|
; CHECK: f3:
|
||
|
; CHECK: mvi 0(%r2), 128
|
||
|
; CHECK: br %r14
|
||
|
store i8 -128, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the high end of the unsigned range.
|
||
|
define void @f4(i8 *%ptr) {
|
||
|
; CHECK: f4:
|
||
|
; CHECK: mvi 0(%r2), 255
|
||
|
; CHECK: br %r14
|
||
|
store i8 255, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check -1.
|
||
|
define void @f5(i8 *%ptr) {
|
||
|
; CHECK: f5:
|
||
|
; CHECK: mvi 0(%r2), 255
|
||
|
; CHECK: br %r14
|
||
|
store i8 -1, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the low end of the signed range.
|
||
|
define void @f6(i8 *%ptr) {
|
||
|
; CHECK: f6:
|
||
|
; CHECK: mvi 0(%r2), 128
|
||
|
; CHECK: br %r14
|
||
|
store i8 -128, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the next value down.
|
||
|
define void @f7(i8 *%ptr) {
|
||
|
; CHECK: f7:
|
||
|
; CHECK: mvi 0(%r2), 127
|
||
|
; CHECK: br %r14
|
||
|
store i8 -129, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the high end of the MVI range.
|
||
|
define void @f8(i8 *%src) {
|
||
|
; CHECK: f8:
|
||
|
; CHECK: mvi 4095(%r2), 42
|
||
|
; CHECK: br %r14
|
||
|
%ptr = getelementptr i8 *%src, i64 4095
|
||
|
store i8 42, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the next byte up, which should use MVIY instead of MVI.
|
||
|
define void @f9(i8 *%src) {
|
||
|
; CHECK: f9:
|
||
|
; CHECK: mviy 4096(%r2), 42
|
||
|
; CHECK: br %r14
|
||
|
%ptr = getelementptr i8 *%src, i64 4096
|
||
|
store i8 42, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the high end of the MVIY range.
|
||
|
define void @f10(i8 *%src) {
|
||
|
; CHECK: f10:
|
||
|
; CHECK: mviy 524287(%r2), 42
|
||
|
; CHECK: br %r14
|
||
|
%ptr = getelementptr i8 *%src, i64 524287
|
||
|
store i8 42, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the next byte up, which needs separate address logic.
|
||
|
; Other sequences besides this one would be OK.
|
||
|
define void @f11(i8 *%src) {
|
||
|
; CHECK: f11:
|
||
|
; CHECK: agfi %r2, 524288
|
||
|
; CHECK: mvi 0(%r2), 42
|
||
|
; CHECK: br %r14
|
||
|
%ptr = getelementptr i8 *%src, i64 524288
|
||
|
store i8 42, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the high end of the negative MVIY range.
|
||
|
define void @f12(i8 *%src) {
|
||
|
; CHECK: f12:
|
||
|
; CHECK: mviy -1(%r2), 42
|
||
|
; CHECK: br %r14
|
||
|
%ptr = getelementptr i8 *%src, i64 -1
|
||
|
store i8 42, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the low end of the MVIY range.
|
||
|
define void @f13(i8 *%src) {
|
||
|
; CHECK: f13:
|
||
|
; CHECK: mviy -524288(%r2), 42
|
||
|
; CHECK: br %r14
|
||
|
%ptr = getelementptr i8 *%src, i64 -524288
|
||
|
store i8 42, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check the next byte down, which needs separate address logic.
|
||
|
; Other sequences besides this one would be OK.
|
||
|
define void @f14(i8 *%src) {
|
||
|
; CHECK: f14:
|
||
|
; CHECK: agfi %r2, -524289
|
||
|
; CHECK: mvi 0(%r2), 42
|
||
|
; CHECK: br %r14
|
||
|
%ptr = getelementptr i8 *%src, i64 -524289
|
||
|
store i8 42, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check that MVI does not allow an index
|
||
|
define void @f15(i64 %src, i64 %index) {
|
||
|
; CHECK: f15:
|
||
|
; CHECK: agr %r2, %r3
|
||
|
; CHECK: mvi 4095(%r2), 42
|
||
|
; CHECK: br %r14
|
||
|
%add1 = add i64 %src, %index
|
||
|
%add2 = add i64 %add1, 4095
|
||
|
%ptr = inttoptr i64 %add2 to i8 *
|
||
|
store i8 42, i8 *%ptr
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; Check that MVIY does not allow an index
|
||
|
define void @f16(i64 %src, i64 %index) {
|
||
|
; CHECK: f16:
|
||
|
; CHECK: agr %r2, %r3
|
||
|
; CHECK: mviy 4096(%r2), 42
|
||
|
; CHECK: br %r14
|
||
|
%add1 = add i64 %src, %index
|
||
|
%add2 = add i64 %add1, 4096
|
||
|
%ptr = inttoptr i64 %add2 to i8 *
|
||
|
store i8 42, i8 *%ptr
|
||
|
ret void
|
||
|
}
|