mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-16 11:30:51 +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
181 lines
3.7 KiB
LLVM
181 lines
3.7 KiB
LLVM
; Test 64-bit ANDs in which the second operand is constant.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; There is no 64-bit AND instruction for a mask of 1.
|
|
; FIXME: we ought to be able to require "ngr %r2, %r0", but at the moment,
|
|
; two-address optimisations force "ngr %r0, %r2; lgr %r2, %r0" instead.
|
|
define i64 @f1(i64 %a) {
|
|
; CHECK: f1:
|
|
; CHECK: lghi %r0, 1
|
|
; CHECK: ngr
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 1
|
|
ret i64 %and
|
|
}
|
|
|
|
; Likewise 0xfffe.
|
|
define i64 @f2(i64 %a) {
|
|
; CHECK: f2:
|
|
; CHECK: llill %r0, 65534
|
|
; CHECK: ngr
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 65534
|
|
ret i64 %and
|
|
}
|
|
|
|
; ...but 0xffff is a 16-bit zero extension.
|
|
define i64 @f3(i64 %a) {
|
|
; CHECK: f3:
|
|
; CHECK: llghr %r2, %r2
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 65535
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the next value up, which again has no dedicated instruction.
|
|
define i64 @f4(i64 %a) {
|
|
; CHECK: f4:
|
|
; CHECK: llilh %r0, 1
|
|
; CHECK: ngr
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 65536
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check 0xfffffffe.
|
|
define i64 @f5(i64 %a) {
|
|
; CHECK: f5:
|
|
; CHECK: lilf %r0, 4294967294
|
|
; CHECK: ngr
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 4294967294
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the next value up, which is a 32-bit zero extension.
|
|
define i64 @f6(i64 %a) {
|
|
; CHECK: f6:
|
|
; CHECK: llgfr %r2, %r2
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 4294967295
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the lowest useful NIHF value (0x00000001_ffffffff).
|
|
define i64 @f7(i64 %a) {
|
|
; CHECK: f7:
|
|
; CHECK: nihf %r2, 1
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 8589934591
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the low end of the NIHH range (0x0000ffff_ffffffff).
|
|
define i64 @f8(i64 %a) {
|
|
; CHECK: f8:
|
|
; CHECK: nihh %r2, 0
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 281474976710655
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the highest useful NIHH value (0xfffeffff_ffffffff).
|
|
define i64 @f9(i64 %a) {
|
|
; CHECK: f9:
|
|
; CHECK: nihh %r2, 65534
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -281474976710657
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the highest useful NIHF value (0xfffefffe_ffffffff).
|
|
define i64 @f10(i64 %a) {
|
|
; CHECK: f10:
|
|
; CHECK: nihf %r2, 4294901758
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -281479271677953
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the low end of the NIHL range (0xffff0000_ffffffff).
|
|
define i64 @f11(i64 %a) {
|
|
; CHECK: f11:
|
|
; CHECK: nihl %r2, 0
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -281470681743361
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the highest useful NIHL value (0xfffffffe_ffffffff).
|
|
define i64 @f12(i64 %a) {
|
|
; CHECK: f12:
|
|
; CHECK: nihl %r2, 65534
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -4294967297
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the low end of the NILF range (0xffffffff_00000000).
|
|
define i64 @f13(i64 %a) {
|
|
; CHECK: f13:
|
|
; CHECK: nilf %r2, 0
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -4294967296
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the low end of the NILH range (0xffffffff_0000ffff).
|
|
define i64 @f14(i64 %a) {
|
|
; CHECK: f14:
|
|
; CHECK: nilh %r2, 0
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -4294901761
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the next value up, which must use NILF.
|
|
define i64 @f15(i64 %a) {
|
|
; CHECK: f15:
|
|
; CHECK: nilf %r2, 65536
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -4294901760
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the maximum useful NILF value (0xffffffff_fffefffe).
|
|
define i64 @f16(i64 %a) {
|
|
; CHECK: f16:
|
|
; CHECK: nilf %r2, 4294901758
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -65538
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the highest useful NILH value, which is one greater than the above.
|
|
define i64 @f17(i64 %a) {
|
|
; CHECK: f17:
|
|
; CHECK: nilh %r2, 65534
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -65537
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the low end of the NILL range, which is one greater again.
|
|
define i64 @f18(i64 %a) {
|
|
; CHECK: f18:
|
|
; CHECK: nill %r2, 0
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -65536
|
|
ret i64 %and
|
|
}
|
|
|
|
; Check the highest useful NILL value.
|
|
define i64 @f19(i64 %a) {
|
|
; CHECK: f19:
|
|
; CHECK: nill %r2, 65534
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, -2
|
|
ret i64 %and
|
|
}
|