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
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'
9 define { i64, i64 } @foo(i64 %0, i64 %1) {
12 ; CHECK-NEXT: movq %rsi, %xmm0
13 ; CHECK-NEXT: movq %rdi, %xmm1
14 ; CHECK-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
16 ; CHECK-NEXT: movdqa %xmm1, %xmm0
18 ; CHECK-NEXT: movq %xmm0, %rax
19 ; CHECK-NEXT: punpckhqdq {{.*#+}} xmm0 = xmm0[1,1]
20 ; CHECK-NEXT: movq %xmm0, %rdx
22 %3 = zext i64 %1 to i128
23 %4 = shl nuw i128 %3, 64
24 %5 = zext i64 %0 to i128
26 %7 = tail call i128 asm sideeffect "movdqa $1, $0", "=x,x,~{dirflag},~{fpsr},~{flags}"(i128 %6)
27 %8 = trunc i128 %7 to i64
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