1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
3; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnux32 | FileCheck %s
4; RUN: not llc < %s -mtriple=i386-unknown-linux-gnu 2>&1 | FileCheck %s --check-prefix=ERROR
5
6; For 32-bit we still error since __int128 isn't supported in the frontend.
7; ERROR: error: couldn't allocate output register for constraint 'x'
8
9define { i64, i64 } @foo(i64 %0, i64 %1) {
10; CHECK-LABEL: foo:
11; CHECK:       # %bb.0:
12; CHECK-NEXT:    movq %rsi, %xmm0
13; CHECK-NEXT:    movq %rdi, %xmm1
14; CHECK-NEXT:    punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
15; CHECK-NEXT:    #APP
16; CHECK-NEXT:    movdqa %xmm1, %xmm0
17; CHECK-NEXT:    #NO_APP
18; CHECK-NEXT:    movq %xmm0, %rax
19; CHECK-NEXT:    punpckhqdq {{.*#+}} xmm0 = xmm0[1,1]
20; CHECK-NEXT:    movq %xmm0, %rdx
21; CHECK-NEXT:    retq
22  %3 = zext i64 %1 to i128
23  %4 = shl nuw i128 %3, 64
24  %5 = zext i64 %0 to i128
25  %6 = or i128 %4, %5
26  %7 = tail call i128 asm sideeffect "movdqa  $1, $0", "=x,x,~{dirflag},~{fpsr},~{flags}"(i128 %6)
27  %8 = trunc i128 %7 to i64
28  %9 = lshr i128 %7, 64
29  %10 = trunc i128 %9 to i64
30  %11 = insertvalue { i64, i64 } undef, i64 %8, 0
31  %12 = insertvalue { i64, i64 } %11, i64 %10, 1
32  ret { i64, i64 } %12
33}
34