2013-05-06 18:17:29 +02:00
|
|
|
; addr-01.ll in which the address is also used in a non-address context.
|
|
|
|
; The assumption here is that we should match complex addresses where
|
|
|
|
; possible, but this might well need to change in future.
|
|
|
|
;
|
|
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
|
|
|
|
; A simple index address.
|
|
|
|
define void @f1(i64 %addr, i64 %index, i8 **%dst) {
|
2013-07-14 08:24:09 +02:00
|
|
|
; CHECK-LABEL: f1:
|
2013-05-06 18:17:29 +02:00
|
|
|
; CHECK: lb %r0, 0(%r3,%r2)
|
|
|
|
; CHECK: br %r14
|
|
|
|
%add = add i64 %addr, %index
|
|
|
|
%ptr = inttoptr i64 %add to i8 *
|
|
|
|
%a = load volatile i8 *%ptr
|
|
|
|
store volatile i8 *%ptr, i8 **%dst
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
|
|
; An address with an index and a displacement (order 1).
|
|
|
|
define void @f2(i64 %addr, i64 %index, i8 **%dst) {
|
2013-07-14 08:24:09 +02:00
|
|
|
; CHECK-LABEL: f2:
|
2013-05-06 18:17:29 +02:00
|
|
|
; CHECK: lb %r0, 100(%r3,%r2)
|
|
|
|
; CHECK: br %r14
|
|
|
|
%add1 = add i64 %addr, %index
|
|
|
|
%add2 = add i64 %add1, 100
|
|
|
|
%ptr = inttoptr i64 %add2 to i8 *
|
|
|
|
%a = load volatile i8 *%ptr
|
|
|
|
store volatile i8 *%ptr, i8 **%dst
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
|
|
; An address with an index and a displacement (order 2).
|
|
|
|
define void @f3(i64 %addr, i64 %index, i8 **%dst) {
|
2013-07-14 08:24:09 +02:00
|
|
|
; CHECK-LABEL: f3:
|
2013-05-06 18:17:29 +02:00
|
|
|
; CHECK: lb %r0, 100(%r3,%r2)
|
|
|
|
; CHECK: br %r14
|
|
|
|
%add1 = add i64 %addr, 100
|
|
|
|
%add2 = add i64 %add1, %index
|
|
|
|
%ptr = inttoptr i64 %add2 to i8 *
|
|
|
|
%a = load volatile i8 *%ptr
|
|
|
|
store volatile i8 *%ptr, i8 **%dst
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
|
|
; An address with an index and a subtracted displacement (order 1).
|
|
|
|
define void @f4(i64 %addr, i64 %index, i8 **%dst) {
|
2013-07-14 08:24:09 +02:00
|
|
|
; CHECK-LABEL: f4:
|
2013-05-06 18:17:29 +02:00
|
|
|
; CHECK: lb %r0, -100(%r3,%r2)
|
|
|
|
; CHECK: br %r14
|
|
|
|
%add1 = add i64 %addr, %index
|
|
|
|
%add2 = sub i64 %add1, 100
|
|
|
|
%ptr = inttoptr i64 %add2 to i8 *
|
|
|
|
%a = load volatile i8 *%ptr
|
|
|
|
store volatile i8 *%ptr, i8 **%dst
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
|
|
; An address with an index and a subtracted displacement (order 2).
|
|
|
|
define void @f5(i64 %addr, i64 %index, i8 **%dst) {
|
2013-07-14 08:24:09 +02:00
|
|
|
; CHECK-LABEL: f5:
|
2013-05-06 18:17:29 +02:00
|
|
|
; CHECK: lb %r0, -100(%r3,%r2)
|
|
|
|
; CHECK: br %r14
|
|
|
|
%add1 = sub i64 %addr, 100
|
|
|
|
%add2 = add i64 %add1, %index
|
|
|
|
%ptr = inttoptr i64 %add2 to i8 *
|
|
|
|
%a = load volatile i8 *%ptr
|
|
|
|
store volatile i8 *%ptr, i8 **%dst
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
|
|
; An address with an index and a displacement added using OR.
|
|
|
|
define void @f6(i64 %addr, i64 %index, i8 **%dst) {
|
2013-07-14 08:24:09 +02:00
|
|
|
; CHECK-LABEL: f6:
|
2013-07-31 13:36:35 +02:00
|
|
|
; CHECK: nill %r2, 65528
|
|
|
|
; CHECK: lb %r0, 6(%r3,%r2)
|
2013-05-06 18:17:29 +02:00
|
|
|
; CHECK: br %r14
|
|
|
|
%aligned = and i64 %addr, -8
|
|
|
|
%or = or i64 %aligned, 6
|
|
|
|
%add = add i64 %or, %index
|
|
|
|
%ptr = inttoptr i64 %add to i8 *
|
|
|
|
%a = load volatile i8 *%ptr
|
|
|
|
store volatile i8 *%ptr, i8 **%dst
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
|
|
; Like f6, but without the masking. This OR doesn't count as a displacement.
|
|
|
|
define void @f7(i64 %addr, i64 %index, i8 **%dst) {
|
2013-07-14 08:24:09 +02:00
|
|
|
; CHECK-LABEL: f7:
|
2013-05-06 18:17:29 +02:00
|
|
|
; CHECK: oill %r2, 6
|
|
|
|
; CHECK: lb %r0, 0(%r3,%r2)
|
|
|
|
; CHECK: br %r14
|
|
|
|
%or = or i64 %addr, 6
|
|
|
|
%add = add i64 %or, %index
|
|
|
|
%ptr = inttoptr i64 %add to i8 *
|
|
|
|
%a = load volatile i8 *%ptr
|
|
|
|
store volatile i8 *%ptr, i8 **%dst
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
|
|
; Like f6, but with the OR applied after the index. We don't know anything
|
|
|
|
; about the alignment of %add here.
|
|
|
|
define void @f8(i64 %addr, i64 %index, i8 **%dst) {
|
2013-07-14 08:24:09 +02:00
|
|
|
; CHECK-LABEL: f8:
|
2013-07-31 13:36:35 +02:00
|
|
|
; CHECK: nill %r2, 65528
|
|
|
|
; CHECK: agr %r2, %r3
|
|
|
|
; CHECK: oill %r2, 6
|
|
|
|
; CHECK: lb %r0, 0(%r2)
|
2013-05-06 18:17:29 +02:00
|
|
|
; CHECK: br %r14
|
|
|
|
%aligned = and i64 %addr, -8
|
|
|
|
%add = add i64 %aligned, %index
|
|
|
|
%or = or i64 %add, 6
|
|
|
|
%ptr = inttoptr i64 %or to i8 *
|
|
|
|
%a = load volatile i8 *%ptr
|
|
|
|
store volatile i8 *%ptr, i8 **%dst
|
|
|
|
ret void
|
|
|
|
}
|