132 lines
2.8 KiB
LLVM
132 lines
2.8 KiB
LLVM
; Test 64-bit addition in which the second operand is constant.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Check additions of 1.
|
|
define i64 @f1(i64 %a) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: {{aghi %r2, 1|la %r[0-5], 1\(%r2\)}}
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, 1
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the high end of the AGHI range.
|
|
define i64 @f2(i64 %a) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: aghi %r2, 32767
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, 32767
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the next value up, which must use AGFI instead.
|
|
define i64 @f3(i64 %a) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: {{agfi %r2, 32768|lay %r[0-5], 32768\(%r2\)}}
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, 32768
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the high end of the AGFI range.
|
|
define i64 @f4(i64 %a) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: agfi %r2, 2147483647
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, 2147483647
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the next value up, which must use ALGFI instead.
|
|
define i64 @f5(i64 %a) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: algfi %r2, 2147483648
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, 2147483648
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the high end of the ALGFI range.
|
|
define i64 @f6(i64 %a) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: algfi %r2, 4294967295
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, 4294967295
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the next value up, which must be loaded into a register first.
|
|
define i64 @f7(i64 %a) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK: llihl %r0, 1
|
|
; CHECK: agr
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, 4294967296
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the high end of the negative AGHI range.
|
|
define i64 @f8(i64 %a) {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK: aghi %r2, -1
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, -1
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the low end of the AGHI range.
|
|
define i64 @f9(i64 %a) {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK: aghi %r2, -32768
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, -32768
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the next value down, which must use AGFI instead.
|
|
define i64 @f10(i64 %a) {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK: {{agfi %r2, -32769|lay %r[0-5]+, -32769\(%r2\)}}
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, -32769
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the low end of the AGFI range.
|
|
define i64 @f11(i64 %a) {
|
|
; CHECK-LABEL: f11:
|
|
; CHECK: agfi %r2, -2147483648
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, -2147483648
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the next value down, which must use SLGFI instead.
|
|
define i64 @f12(i64 %a) {
|
|
; CHECK-LABEL: f12:
|
|
; CHECK: slgfi %r2, 2147483649
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, -2147483649
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the low end of the SLGFI range.
|
|
define i64 @f13(i64 %a) {
|
|
; CHECK-LABEL: f13:
|
|
; CHECK: slgfi %r2, 4294967295
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, -4294967295
|
|
ret i64 %add
|
|
}
|
|
|
|
; Check the next value down, which must use register addition instead.
|
|
define i64 @f14(i64 %a) {
|
|
; CHECK-LABEL: f14:
|
|
; CHECK: llihf %r0, 4294967295
|
|
; CHECK: agr
|
|
; CHECK: br %r14
|
|
%add = add i64 %a, -4294967296
|
|
ret i64 %add
|
|
}
|