mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 08:23:21 +01:00
1431b3c2f5
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
94 lines
1.8 KiB
LLVM
94 lines
1.8 KiB
LLVM
; Test 32-bit ANDs in which the second operand is constant.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Check the lowest useful NILF value.
|
|
define i32 @f1(i32 %a) {
|
|
; CHECK: f1:
|
|
; CHECK: nilf %r2, 1
|
|
; CHECK: br %r14
|
|
%and = and i32 %a, 1
|
|
ret i32 %and
|
|
}
|
|
|
|
; Check the highest 16-bit constant that must be handled by NILF.
|
|
define i32 @f2(i32 %a) {
|
|
; CHECK: f2:
|
|
; CHECK: nilf %r2, 65534
|
|
; CHECK: br %r14
|
|
%and = and i32 %a, 65534
|
|
ret i32 %and
|
|
}
|
|
|
|
; ANDs of 0xffff are zero extensions from i16.
|
|
define i32 @f3(i32 %a) {
|
|
; CHECK: f3:
|
|
; CHECK: llhr %r2, %r2
|
|
; CHECK: br %r14
|
|
%and = and i32 %a, 65535
|
|
ret i32 %and
|
|
}
|
|
|
|
; Check the next value up, which must again use NILF.
|
|
define i32 @f4(i32 %a) {
|
|
; CHECK: f4:
|
|
; CHECK: nilf %r2, 65536
|
|
; CHECK: br %r14
|
|
%and = and i32 %a, 65536
|
|
ret i32 %and
|
|
}
|
|
|
|
; Check the lowest useful NILH value. (LLHR is used instead of NILH of 0.)
|
|
define i32 @f5(i32 %a) {
|
|
; CHECK: f5:
|
|
; CHECK: nilh %r2, 1
|
|
; CHECK: br %r14
|
|
%and = and i32 %a, 131071
|
|
ret i32 %and
|
|
}
|
|
|
|
; Check the highest useful NILF value.
|
|
define i32 @f6(i32 %a) {
|
|
; CHECK: f6:
|
|
; CHECK: nilf %r2, 4294901758
|
|
; CHECK: br %r14
|
|
%and = and i32 %a, -65538
|
|
ret i32 %and
|
|
}
|
|
|
|
; Check the highest useful NILH value, which is one up from the above.
|
|
define i32 @f7(i32 %a) {
|
|
; CHECK: f7:
|
|
; CHECK: nilh %r2, 65534
|
|
; CHECK: br %r14
|
|
%and = and i32 %a, -65537
|
|
ret i32 %and
|
|
}
|
|
|
|
; Check the low end of the NILL range, which is one up again.
|
|
define i32 @f8(i32 %a) {
|
|
; CHECK: f8:
|
|
; CHECK: nill %r2, 0
|
|
; CHECK: br %r14
|
|
%and = and i32 %a, -65536
|
|
ret i32 %and
|
|
}
|
|
|
|
; Check the next value up.
|
|
define i32 @f9(i32 %a) {
|
|
; CHECK: f9:
|
|
; CHECK: nill %r2, 1
|
|
; CHECK: br %r14
|
|
%and = and i32 %a, -65535
|
|
ret i32 %and
|
|
}
|
|
|
|
; Check the highest useful NILL value.
|
|
define i32 @f10(i32 %a) {
|
|
; CHECK: f10:
|
|
; CHECK: nill %r2, 65534
|
|
; CHECK: br %r14
|
|
%and = and i32 %a, -2
|
|
ret i32 %and
|
|
}
|