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ee498d3254
This new scheduler plugs into the existing selection DAG scheduling framework. It is a top-down critical path scheduler that tracks register pressure and uses a DFA for pipeline modeling. Patch by Sergei Larin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149547 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
472 B
LLVM
21 lines
472 B
LLVM
; RUN: llc -march=hexagon -mcpu=hexagonv4 -disable-dfa-sched < %s | FileCheck %s
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@num = external global i32
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@acc = external global i32
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@val = external global i32
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; CHECK: CONST32(#num)
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; CHECK: CONST32(#acc)
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; CHECK: CONST32(#val)
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define void @foo() nounwind {
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entry:
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%0 = load i32* @num, align 4
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%1 = load i32* @acc, align 4
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%mul = mul nsw i32 %0, %1
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%2 = load i32* @val, align 4
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%add = add nsw i32 %mul, %2
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store i32 %add, i32* @num, align 4
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ret void
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}
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