34 lines
1.2 KiB
LLVM
34 lines
1.2 KiB
LLVM
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; RUN: llc -mtriple=hexagon-unknown-elf -mcpu=hexagonv55 -hexagon-initial-cfg-cleanup=0 < %s | FileCheck %s
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; Test that the pipeliner correctly generates the operands in the
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; epilog.
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; CHECK: loop0
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; CHECK: r{{[0-9]+}} = sfsub([[REG0:r([0-9]+)]],[[REG1:r([0-9]+)]])
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; CHECK: endloop0
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; CHECK: r{{[0-9]+}} = sfsub([[REG0]],[[REG1]])
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; CHECK: r{{[0-9]+}} = sfsub([[REG0]],r{{[0-9]+}})
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define dso_local void @test(i32 %m) local_unnamed_addr #0 {
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entry:
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%div = sdiv i32 %m, 2
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%sub = add nsw i32 %div, -1
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br label %for.body.prol
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for.body.prol:
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%i.0106.prol = phi i32 [ undef, %for.body.prol ], [ %sub, %entry ]
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%sr.prol = phi float [ %0, %for.body.prol ], [ undef, %entry ]
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%sr109.prol = phi float [ %sr.prol, %for.body.prol ], [ undef, %entry ]
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%prol.iter = phi i32 [ %prol.iter.sub, %for.body.prol ], [ undef, %entry ]
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%0 = load float, float* undef, align 4
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%sub7.prol = fsub contract float %sr109.prol, %0
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store float %sub7.prol, float* null, align 4
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%prol.iter.sub = add i32 %prol.iter, -1
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%prol.iter.cmp = icmp eq i32 %prol.iter.sub, 0
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br i1 %prol.iter.cmp, label %for.body.prol.loopexit, label %for.body.prol
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for.body.prol.loopexit:
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unreachable
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}
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