blob: f55a3b21182e44f9b4c2a21930168a1708e256dc [file] [log] [blame]
; Test the "S" asm constraint, which accepts addresses that have a base
; and a 20-bit displacement.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -no-integrated-as | FileCheck %s
; Check the lowest range.
define void @f1(i64 %base) {
; CHECK-LABEL: f1:
; CHECK: blah -524288(%r2)
; CHECK: br %r14
%add = add i64 %base, -524288
%addr = inttoptr i64 %add to ptr
call void asm "blah $0", "=*S" (ptr elementtype(i64) %addr)
ret void
}
; Check the next lowest byte.
define void @f2(i64 %base) {
; CHECK-LABEL: f2:
; CHECK: agfi %r2, -524289
; CHECK: blah 0(%r2)
; CHECK: br %r14
%add = add i64 %base, -524289
%addr = inttoptr i64 %add to ptr
call void asm "blah $0", "=*S" (ptr elementtype(i64) %addr)
ret void
}
; Check the highest range.
define void @f3(i64 %base) {
; CHECK-LABEL: f3:
; CHECK: blah 524287(%r2)
; CHECK: br %r14
%add = add i64 %base, 524287
%addr = inttoptr i64 %add to ptr
call void asm "blah $0", "=*S" (ptr elementtype(i64) %addr)
ret void
}
; Check the next highest byte.
define void @f4(i64 %base) {
; CHECK-LABEL: f4:
; CHECK: agfi %r2, 524288
; CHECK: blah 0(%r2)
; CHECK: br %r14
%add = add i64 %base, 524288
%addr = inttoptr i64 %add to ptr
call void asm "blah $0", "=*S" (ptr elementtype(i64) %addr)
ret void
}