56 lines
1.5 KiB
LLVM
56 lines
1.5 KiB
LLVM
|
; Test 16-bit equality comparisons between memory and a constant.
|
||
|
|
;
|
||
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
||
|
|
|
||
|
|
; Check the low end of the unsigned 16-bit range.
|
||
|
|
define double @f1(double %a, double %b, i16 *%ptr) {
|
||
|
|
; CHECK-LABEL: f1:
|
||
|
|
; CHECK: clhhsi 0(%r2), 0
|
||
|
|
; CHECK-NEXT: ber %r14
|
||
|
|
; CHECK: ldr %f0, %f2
|
||
|
|
; CHECK: br %r14
|
||
|
|
%val = load i16, i16 *%ptr
|
||
|
|
%cond = icmp eq i16 %val, 0
|
||
|
|
%res = select i1 %cond, double %a, double %b
|
||
|
|
ret double %res
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the unsigned 16-bit range.
|
||
|
|
define double @f2(double %a, double %b, i16 *%ptr) {
|
||
|
|
; CHECK-LABEL: f2:
|
||
|
|
; CHECK: clhhsi 0(%r2), 65535
|
||
|
|
; CHECK-NEXT: ber %r14
|
||
|
|
; CHECK: ldr %f0, %f2
|
||
|
|
; CHECK: br %r14
|
||
|
|
%val = load i16, i16 *%ptr
|
||
|
|
%cond = icmp eq i16 %val, 65535
|
||
|
|
%res = select i1 %cond, double %a, double %b
|
||
|
|
ret double %res
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the low end of the signed 16-bit range.
|
||
|
|
define double @f3(double %a, double %b, i16 *%ptr) {
|
||
|
|
; CHECK-LABEL: f3:
|
||
|
|
; CHECK: clhhsi 0(%r2), 32768
|
||
|
|
; CHECK-NEXT: ber %r14
|
||
|
|
; CHECK: ldr %f0, %f2
|
||
|
|
; CHECK: br %r14
|
||
|
|
%val = load i16, i16 *%ptr
|
||
|
|
%cond = icmp eq i16 %val, -32768
|
||
|
|
%res = select i1 %cond, double %a, double %b
|
||
|
|
ret double %res
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the signed 16-bit range.
|
||
|
|
define double @f4(double %a, double %b, i16 *%ptr) {
|
||
|
|
; CHECK-LABEL: f4:
|
||
|
|
; CHECK: clhhsi 0(%r2), 32767
|
||
|
|
; CHECK-NEXT: ber %r14
|
||
|
|
; CHECK: ldr %f0, %f2
|
||
|
|
; CHECK: br %r14
|
||
|
|
%val = load i16, i16 *%ptr
|
||
|
|
%cond = icmp eq i16 %val, 32767
|
||
|
|
%res = select i1 %cond, double %a, double %b
|
||
|
|
ret double %res
|
||
|
|
}
|