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https://github.com/c64scene-ar/llvm-6502.git
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27 lines
639 B
LLVM
27 lines
639 B
LLVM
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; RUN: llc -march=x86-64 < %s | FileCheck %s -check-prefix=CHECK-64
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; RUN: llc -march=x86 < %s | FileCheck %s -check-prefix=CHECK-32
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define void @a(i64* nocapture %s, i64* nocapture %t, i64 %a, i64 %b, i64 %c) nounwind {
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entry:
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%0 = zext i64 %a to i128
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%1 = zext i64 %b to i128
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%2 = add i128 %1, %0
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%3 = zext i64 %c to i128
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%4 = shl i128 %3, 64
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%5 = add i128 %4, %2
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%6 = lshr i128 %5, 64
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%7 = trunc i128 %6 to i64
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store i64 %7, i64* %s, align 8
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%8 = trunc i128 %2 to i64
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store i64 %8, i64* %t, align 8
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ret void
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; CHECK-32: addl
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; CHECK-32: adcl
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; CHECK-32: adcl $0
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; CHECK-32: adcl $0
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; CHECK-64: addq
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; CHECK-64: adcq $0
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}
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