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0a4ed009a4
Additionally, implement handling of ADD/SUBCARRY on Hexagon, utilizing the UADDO/USUBO expansion. Differential Revision: https://reviews.llvm.org/D47559 llvm-svn: 333751
26 lines
644 B
LLVM
26 lines
644 B
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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@g = global i128 zeroinitializer, align 8
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; CHECK-LABEL: addc:
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; CHECK: p[[P0:[0-3]]] = and(p[[P1:[0-9]]],!p[[P1]])
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; CHECK: add({{.*}},{{.*}},p[[P0]]):carry
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; CHECK: add({{.*}},{{.*}},p[[P0]]):carry
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define void @addc(i128 %a0, i128 %a1) #0 {
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%v0 = add i128 %a0, %a1
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store i128 %v0, i128* @g, align 8
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ret void
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}
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; CHECK-LABEL: subc:
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; CHECK: p[[P0:[0-3]]] = or(p[[P1:[0-9]]],!p[[P1]])
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; CHECK: sub({{.*}},{{.*}},p[[P0]]):carry
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; CHECK: sub({{.*}},{{.*}},p[[P0]]):carry
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define void @subc(i128 %a0, i128 %a1) #0 {
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%v0 = sub i128 %a0, %a1
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store i128 %v0, i128* @g, align 8
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ret void
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}
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