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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
; Test 128-bit rotate by constant amount.
define i128 @f1(i128 %val) {
; CHECK-LABEL: f1:
; CHECK: # %bb.0:
; CHECK-NEXT: vl %v0, 0(%r3), 3
; CHECK-NEXT: vrepib %v1, 100
; CHECK-NEXT: vsrlb %v2, %v0, %v1
; CHECK-NEXT: vsrl %v1, %v2, %v1
; CHECK-NEXT: vrepib %v2, 28
; CHECK-NEXT: vslb %v0, %v0, %v2
; CHECK-NEXT: vsl %v0, %v0, %v2
; CHECK-NEXT: vo %v0, %v0, %v1
; CHECK-NEXT: vst %v0, 0(%r2), 3
; CHECK-NEXT: br %r14
%parta = shl i128 %val, 28
%partb = lshr i128 %val, 100
%rotl = or i128 %parta, %partb
ret i128 %rotl
}
; Test 128-bit rotate by constant amount (full bytes).
define i128 @f2(i128 %val) {
; CHECK-LABEL: f2:
; CHECK: # %bb.0:
; CHECK-NEXT: vl %v0, 0(%r3), 3
; CHECK-NEXT: vrepib %v1, 96
; CHECK-NEXT: vrepib %v2, 32
; CHECK-NEXT: vsrlb %v1, %v0, %v1
; CHECK-NEXT: vslb %v0, %v0, %v2
; CHECK-NEXT: vo %v0, %v0, %v1
; CHECK-NEXT: vst %v0, 0(%r2), 3
; CHECK-NEXT: br %r14
%parta = shl i128 %val, 32
%partb = lshr i128 %val, 96
%rotl = or i128 %parta, %partb
ret i128 %rotl
}
; Test 128-bit rotate by variable amount.
define i128 @f3(i128 %val, i128 %amt) {
; CHECK-LABEL: f3:
; CHECK: # %bb.0:
; CHECK-NEXT: l %r0, 12(%r4)
; CHECK-NEXT: vlvgp %v1, %r0, %r0
; CHECK-NEXT: vl %v0, 0(%r3), 3
; CHECK-NEXT: vrepb %v1, %v1, 15
; CHECK-NEXT: vslb %v2, %v0, %v1
; CHECK-NEXT: lhi %r1, 128
; CHECK-NEXT: sr %r1, %r0
; CHECK-NEXT: vsl %v1, %v2, %v1
; CHECK-NEXT: vlvgp %v2, %r1, %r1
; CHECK-NEXT: vrepb %v2, %v2, 15
; CHECK-NEXT: vsrlb %v0, %v0, %v2
; CHECK-NEXT: vsrl %v0, %v0, %v2
; CHECK-NEXT: vo %v0, %v1, %v0
; CHECK-NEXT: vst %v0, 0(%r2), 3
; CHECK-NEXT: br %r14
%inv = sub i128 128, %amt
%parta = shl i128 %val, %amt
%partb = lshr i128 %val, %inv
%rotl = or i128 %parta, %partb
ret i128 %rotl
}
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