1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 2; Test i128 byteswaps on z15 and higher. 3; 4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z15 | FileCheck %s 5 6declare i128 @llvm.bswap.i128(i128 %a) 7 8; Check 128-bit register-to-register byteswaps. 9define i128 @f1(i128 %a, i128 %b, i128 %c) { 10; CHECK-LABEL: f1: 11; CHECK: # %bb.0: 12; CHECK-NEXT: vl %v1, 0(%r4), 3 13; CHECK-NEXT: vl %v2, 0(%r3), 3 14; CHECK-NEXT: larl %r1, .LCPI0_0 15; CHECK-NEXT: vaq %v1, %v2, %v1 16; CHECK-NEXT: vl %v2, 0(%r1), 3 17; CHECK-NEXT: vl %v0, 0(%r5), 3 18; CHECK-NEXT: vperm %v1, %v1, %v1, %v2 19; CHECK-NEXT: vaq %v0, %v1, %v0 20; CHECK-NEXT: vst %v0, 0(%r2), 3 21; CHECK-NEXT: br %r14 22 %in = add i128 %a, %b 23 %swapped = call i128 @llvm.bswap.i128(i128 %in) 24 %out = add i128 %swapped, %c 25 ret i128 %out 26} 27 28; Check 128-bit register-to-memory byteswaps. 29define i128 @f2(i128 %a, i128 %b) { 30; CHECK-LABEL: f2: 31; CHECK: # %bb.0: 32; CHECK-NEXT: vl %v0, 0(%r4), 3 33; CHECK-NEXT: vl %v1, 0(%r3), 3 34; CHECK-NEXT: vaq %v0, %v1, %v0 35; CHECK-NEXT: vstbrq %v0, 0(%r2) 36; CHECK-NEXT: br %r14 37 %in = add i128 %a, %b 38 %swapped = call i128 @llvm.bswap.i128(i128 %in) 39 ret i128 %swapped 40} 41 42; Check 128-bit memory-to-register byteswaps. 43define i128 @f3(i128 %a, i128 %b) { 44; CHECK-LABEL: f3: 45; CHECK: # %bb.0: 46; CHECK-NEXT: vl %v0, 0(%r4), 3 47; CHECK-NEXT: vlbrq %v1, 0(%r3) 48; CHECK-NEXT: vaq %v0, %v1, %v0 49; CHECK-NEXT: vst %v0, 0(%r2), 3 50; CHECK-NEXT: br %r14 51 %swapped = call i128 @llvm.bswap.i128(i128 %a) 52 %out = add i128 %swapped, %b 53 ret i128 %out 54} 55 56