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