42 lines
1.7 KiB
LLVM
42 lines
1.7 KiB
LLVM
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; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner < %s -pipeliner-experimental-cg=true | FileCheck %s
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; RUN: llc -march=hexagon -mcpu=hexagonv5 -O2 < %s -pipeliner-experimental-cg=true | FileCheck %s
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; RUN: llc -march=hexagon -mcpu=hexagonv5 -O3 < %s -pipeliner-experimental-cg=true | FileCheck %s
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;
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; Check that we pipeline a vectorized dot product in a single packet.
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;
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; CHECK: {
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; CHECK: += mpyi
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; CHECK: += mpyi
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; CHECK: memd
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; CHECK: memd
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; CHECK: } :endloop0
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@a = common global [5000 x i32] zeroinitializer, align 8
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@b = common global [5000 x i32] zeroinitializer, align 8
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define i32 @vecMultGlobal() {
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entry:
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br label %polly.loop_body
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polly.loop_after:
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%0 = extractelement <2 x i32> %addp_vec, i32 0
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%1 = extractelement <2 x i32> %addp_vec, i32 1
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%add_sum = add i32 %0, %1
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ret i32 %add_sum
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polly.loop_body:
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%polly.loopiv13 = phi i32 [ 0, %entry ], [ %polly.next_loopiv, %polly.loop_body ]
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%reduction.012 = phi <2 x i32> [ zeroinitializer, %entry ], [ %addp_vec, %polly.loop_body ]
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%polly.next_loopiv = add nsw i32 %polly.loopiv13, 2
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%p_arrayidx1 = getelementptr [5000 x i32], [5000 x i32]* @b, i32 0, i32 %polly.loopiv13
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%p_arrayidx = getelementptr [5000 x i32], [5000 x i32]* @a, i32 0, i32 %polly.loopiv13
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%vector_ptr = bitcast i32* %p_arrayidx1 to <2 x i32>*
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%_p_vec_full = load <2 x i32>, <2 x i32>* %vector_ptr, align 8
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%vector_ptr7 = bitcast i32* %p_arrayidx to <2 x i32>*
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%_p_vec_full8 = load <2 x i32>, <2 x i32>* %vector_ptr7, align 8
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%mulp_vec = mul <2 x i32> %_p_vec_full8, %_p_vec_full
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%addp_vec = add <2 x i32> %mulp_vec, %reduction.012
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%2 = icmp slt i32 %polly.next_loopiv, 5000
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br i1 %2, label %polly.loop_body, label %polly.loop_after
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}
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