forked from OSchip/llvm-project
52 lines
2.5 KiB
LLVM
52 lines
2.5 KiB
LLVM
; REQUIRES: asserts
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; RUN: llc -march=hexagon -mcpu=hexagonv5 -disable-hsdr --stats -o - 2>&1 < %s | FileCheck %s
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; Check that store is post-incremented.
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; CHECK-NOT: extractu(r{{[0-9]+}},#32,
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; CHECK-NOT: insert
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; CHECK-NOT: Number of node order issues found
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; CHECK: Number of loops software pipelined
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; CHECK-NOT: Number of node order issues found
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target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
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target triple = "hexagon"
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define i32 @foo(i16* noalias nocapture %src, i16* noalias nocapture %dstImg, i32 %width, i32 %idx, i32 %flush) #0 {
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entry:
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%0 = tail call i64 @llvm.hexagon.A2.combinew(i32 %flush, i32 %flush)
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%1 = bitcast i64 %0 to <2 x i32>
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br label %polly.loop_body
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polly.loop_after: ; preds = %polly.loop_body
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ret i32 0
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polly.loop_body: ; preds = %entry, %polly.loop_body
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%p_arrayidx35.phi = phi i16* [ %dstImg, %entry ], [ %p_arrayidx35.inc, %polly.loop_body ]
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%p_arrayidx.phi = phi i16* [ %src, %entry ], [ %p_arrayidx.inc, %polly.loop_body ]
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%polly.loopiv56 = phi i32 [ 0, %entry ], [ %polly.next_loopiv, %polly.loop_body ]
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%polly.next_loopiv = add nsw i32 %polly.loopiv56, 4
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%vector_ptr = bitcast i16* %p_arrayidx.phi to <4 x i16>*
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%_p_vec_full = load <4 x i16>, <4 x i16>* %vector_ptr, align 2
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%_high_half = shufflevector <4 x i16> %_p_vec_full, <4 x i16> undef, <2 x i32> <i32 2, i32 3>
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%_low_half = shufflevector <4 x i16> %_p_vec_full, <4 x i16> undef, <2 x i32> <i32 0, i32 1>
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%2 = zext <2 x i16> %_low_half to <2 x i32>
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%3 = zext <2 x i16> %_high_half to <2 x i32>
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%add33p_vec = add <2 x i32> %2, %1
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%add33p_vec48 = add <2 x i32> %3, %1
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%4 = trunc <2 x i32> %add33p_vec to <2 x i16>
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%5 = trunc <2 x i32> %add33p_vec48 to <2 x i16>
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%_combined_vec = shufflevector <2 x i16> %4, <2 x i16> %5, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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%vector_ptr49 = bitcast i16* %p_arrayidx35.phi to <4 x i16>*
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store <4 x i16> %_combined_vec, <4 x i16>* %vector_ptr49, align 2
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%6 = icmp slt i32 %polly.next_loopiv, 1024
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%p_arrayidx35.inc = getelementptr i16, i16* %p_arrayidx35.phi, i32 4
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%p_arrayidx.inc = getelementptr i16, i16* %p_arrayidx.phi, i32 4
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br i1 %6, label %polly.loop_body, label %polly.loop_after
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}
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declare i64 @llvm.hexagon.A2.combinew(i32, i32) #1
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attributes #0 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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