| ; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx900 -loop-vectorize -simplifycfg < %s | FileCheck -check-prefixes=GCN,GFX9 %s |
| ; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx900 -loop-vectorize -pass-remarks-analysis='loop-vectorize' < %s 2>&1 | FileCheck -check-prefixes=REMARK %s |
| |
| ; GCN-LABEL: @runtime_check_divergent_target( |
| ; GCN-NOT: load <2 x half> |
| ; GCN-NOT: store <2 x half> |
| |
| ; REMARK: remark: <unknown>:0:0: loop not vectorized: runtime pointer checks needed. Not enabled for divergent target |
| define amdgpu_kernel void @runtime_check_divergent_target(half addrspace(1)* nocapture %a, half addrspace(1)* nocapture %b) #0 { |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %entry, %for.body |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] |
| %arrayidx = getelementptr inbounds half, half addrspace(1)* %b, i64 %indvars.iv |
| %load = load half, half addrspace(1)* %arrayidx, align 4 |
| %mul = fmul half %load, 3.0 |
| %arrayidx2 = getelementptr inbounds half, half addrspace(1)* %a, i64 %indvars.iv |
| store half %mul, half addrspace(1)* %arrayidx2, align 4 |
| %indvars.iv.next = add i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, 1024 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body, %entry |
| ret void |
| } |
| |
| attributes #0 = { nounwind } |