mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-10 06:54:54 +00:00
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
571 B
LLVM
25 lines
571 B
LLVM
; 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: 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: f2:
|
|
; CHECK: lrvgr %r2, %r2
|
|
; CHECk: br %r14
|
|
%swapped = call i64 @llvm.bswap.i64(i64 %a)
|
|
ret i64 %swapped
|
|
}
|