blob: 7aee1d175494e2570429e6d97d66bf51cb9f5463 [file] [log] [blame]
Craig Topper255d5db2020-06-15 19:34:02 -07001; 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
Simon Pilgrim17eafe02020-07-26 16:03:53 +010019; CHECK-NEXT: punpckhqdq {{.*#+}} xmm0 = xmm0[1,1]
Craig Topper255d5db2020-06-15 19:34:02 -070020; 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}