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