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llvm-mirror/test/CodeGen/SystemZ/or-02.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

67 lines
1.3 KiB
LLVM

; Test 32-bit ORs in which the second operand is constant.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Check the lowest useful OILL value.
define i32 @f1(i32 %a) {
; CHECK: f1:
; CHECK: oill %r2, 1
; CHECK: br %r14
%or = or i32 %a, 1
ret i32 %or
}
; Check the high end of the OILL range.
define i32 @f2(i32 %a) {
; CHECK: f2:
; CHECK: oill %r2, 65535
; CHECK: br %r14
%or = or i32 %a, 65535
ret i32 %or
}
; Check the lowest useful OILH range, which is the next value up.
define i32 @f3(i32 %a) {
; CHECK: f3:
; CHECK: oilh %r2, 1
; CHECK: br %r14
%or = or i32 %a, 65536
ret i32 %or
}
; Check the lowest useful OILF value, which is the next value up again.
define i32 @f4(i32 %a) {
; CHECK: f4:
; CHECK: oilf %r2, 65537
; CHECK: br %r14
%or = or i32 %a, 65537
ret i32 %or
}
; Check the high end of the OILH range.
define i32 @f5(i32 %a) {
; CHECK: f5:
; CHECK: oilh %r2, 65535
; CHECK: br %r14
%or = or i32 %a, -65536
ret i32 %or
}
; Check the next value up, which must use OILF instead.
define i32 @f6(i32 %a) {
; CHECK: f6:
; CHECK: oilf %r2, 4294901761
; CHECK: br %r14
%or = or i32 %a, -65535
ret i32 %or
}
; Check the highest useful OILF value.
define i32 @f7(i32 %a) {
; CHECK: f7:
; CHECK: oilf %r2, 4294967294
; CHECK: br %r14
%or = or i32 %a, -2
ret i32 %or
}