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