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llvm-mirror/test/CodeGen/SystemZ/int-add-07.ll
Ulrich Weigand 1431b3c2f5 [SystemZ] Add CodeGen test cases
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.

llvm-svn: 181204
2013-05-06 16:17:29 +00:00

132 lines
2.7 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: f14:
; CHECK: llihf %r0, 4294967295
; CHECK: agr
; CHECK: br %r14
%add = add i64 %a, -4294967296
ret i64 %add
}