diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/AMDGPU/divergent-runtime-check.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/AMDGPU/divergent-runtime-check.ll b/llvm/test/Transforms/LoopVectorize/AMDGPU/divergent-runtime-check.ll new file mode 100644 index 00000000000..91a916798c5 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/AMDGPU/divergent-runtime-check.ll @@ -0,0 +1,29 @@ +; 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 } |
