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