| ; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s -loop-vectorize -dce -instcombine -S | FileCheck -check-prefix=GFX9 -check-prefix=GCN %s |
| ; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=fiji < %s -loop-vectorize -dce -instcombine -S | FileCheck -check-prefix=CIVI -check-prefix=GCN %s |
| ; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii < %s -loop-vectorize -dce -instcombine -S | FileCheck -check-prefix=CIVI -check-prefix=GCN %s |
| |
| ; GCN-LABEL: @vectorize_v2f16_loop( |
| ; GFX9: vector.body: |
| ; GFX9: phi <2 x half> |
| ; GFX9: load <2 x half> |
| ; GFX9: fadd fast <2 x half> |
| |
| ; GFX9: middle.block: |
| ; GFX9: fadd fast <2 x half> |
| |
| ; VI: phi half |
| ; VI: phi load half |
| ; VI: fadd fast half |
| define half @vectorize_v2f16_loop(half addrspace(1)* noalias %s) { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %q.04 = phi half [ 0.0, %entry ], [ %add, %for.body ] |
| %arrayidx = getelementptr inbounds half, half addrspace(1)* %s, i64 %indvars.iv |
| %0 = load half, half addrspace(1)* %arrayidx, align 2 |
| %add = fadd fast half %q.04, %0 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 256 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: |
| %add.lcssa = phi half [ %add, %for.body ] |
| ret half %add.lcssa |
| } |