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