Imported Upstream version 5.18.0.161

Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
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Xamarin Public Jenkins (auto-signing)
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions

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; Test byteswaps between registers.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare i32 @llvm.bswap.i32(i32 %a)
declare i64 @llvm.bswap.i64(i64 %a)
; Check 32-bit register-to-register byteswaps.
define i32 @f1(i32 %a) {
; CHECK-LABEL: f1:
; CHECK: lrvr [[REGISTER:%r[0-5]]], %r2
; CHECK: br %r14
%swapped = call i32 @llvm.bswap.i32(i32 %a)
ret i32 %swapped
}
; Check 64-bit register-to-register byteswaps.
define i64 @f2(i64 %a) {
; CHECK-LABEL: f2:
; CHECK: lrvgr %r2, %r2
; CHECK: br %r14
%swapped = call i64 @llvm.bswap.i64(i64 %a)
ret i64 %swapped
}