mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-10 06:54:54 +00:00
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
70 lines
1.4 KiB
LLVM
70 lines
1.4 KiB
LLVM
; Test 64-bit XORs in which the second operand is constant.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Check the lowest useful XILF value.
|
|
define i64 @f1(i64 %a) {
|
|
; CHECK: f1:
|
|
; CHECK: xilf %r2, 1
|
|
; CHECK: br %r14
|
|
%xor = xor i64 %a, 1
|
|
ret i64 %xor
|
|
}
|
|
|
|
; Check the high end of the XILF range.
|
|
define i64 @f2(i64 %a) {
|
|
; CHECK: f2:
|
|
; CHECK: xilf %r2, 4294967295
|
|
; CHECK: br %r14
|
|
%xor = xor i64 %a, 4294967295
|
|
ret i64 %xor
|
|
}
|
|
|
|
; Check the lowest useful XIHF value, which is one up from the above.
|
|
define i64 @f3(i64 %a) {
|
|
; CHECK: f3:
|
|
; CHECK: xihf %r2, 1
|
|
; CHECK: br %r14
|
|
%xor = xor i64 %a, 4294967296
|
|
ret i64 %xor
|
|
}
|
|
|
|
; Check the next value up again, which needs a combination of XIHF and XILF.
|
|
define i64 @f4(i64 %a) {
|
|
; CHECK: f4:
|
|
; CHECK: xihf %r2, 1
|
|
; CHECK: xilf %r2, 4294967295
|
|
; CHECK: br %r14
|
|
%xor = xor i64 %a, 8589934591
|
|
ret i64 %xor
|
|
}
|
|
|
|
; Check the high end of the XIHF range.
|
|
define i64 @f5(i64 %a) {
|
|
; CHECK: f5:
|
|
; CHECK: xihf %r2, 4294967295
|
|
; CHECK: br %r14
|
|
%xor = xor i64 %a, -4294967296
|
|
ret i64 %xor
|
|
}
|
|
|
|
; Check the next value up, which again must use XIHF and XILF.
|
|
define i64 @f6(i64 %a) {
|
|
; CHECK: f6:
|
|
; CHECK: xihf %r2, 4294967295
|
|
; CHECK: xilf %r2, 1
|
|
; CHECK: br %r14
|
|
%xor = xor i64 %a, -4294967295
|
|
ret i64 %xor
|
|
}
|
|
|
|
; Check full bitwise negation
|
|
define i64 @f7(i64 %a) {
|
|
; CHECK: f7:
|
|
; CHECK: xihf %r2, 4294967295
|
|
; CHECK: xilf %r2, 4294967295
|
|
; CHECK: br %r14
|
|
%xor = xor i64 %a, -1
|
|
ret i64 %xor
|
|
}
|