| ; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner < %s | FileCheck %s |
| ; RUN: llc -march=hexagon -mcpu=hexagonv5 -O3 < %s | FileCheck %s |
| |
| ; Simple vector total. |
| ; CHECK: loop0(.LBB0_[[LOOP:.]], |
| ; CHECK: .LBB0_[[LOOP]]: |
| ; CHECK: add([[REG:r([0-9]+)]],r{{[0-9]+}}) |
| ; CHECK-NEXT: add(r{{[0-9]+}},#4) |
| ; CHECK-NEXT: [[REG]] = memw(r{{[0-9]+}}+r{{[0-9]+}}<<#0) |
| ; CHECK-NEXT: endloop0 |
| |
| define i32 @foo(i32* %a, i32 %n) { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %sum.02 = phi i32 [ 0, %entry ], [ %add, %for.body ] |
| %arrayidx.phi = phi i32* [ %a, %entry ], [ %arrayidx.inc, %for.body ] |
| %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ] |
| %0 = load i32, i32* %arrayidx.phi, align 4 |
| %add = add nsw i32 %0, %sum.02 |
| %inc = add nsw i32 %i.01, 1 |
| %exitcond = icmp eq i32 %inc, 10000 |
| %arrayidx.inc = getelementptr i32, i32* %arrayidx.phi, i32 1 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: |
| ret i32 %add |
| } |