49 lines
1.4 KiB
LLVM
49 lines
1.4 KiB
LLVM
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; RUN: llc -march=hexagon -mattr=+hvxv60,hvx-length64b,-packets < %s | FileCheck %s
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target triple = "hexagon"
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; Check that the only (multi-instruction) packet is the one with vgather.
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; CHECK-LABEL: fred:
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; CHECK: {
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; CHECK-NEXT: allocframe(r29,#64):raw
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; CHECK-NEXT: }
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; CHECK-NEXT: {
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; CHECK-NEXT: m0 = r2
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; CHECK-NEXT: }
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; CHECK-NEXT: {
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; CHECK-NEXT: r29 = and(r29,#-64)
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; CHECK-NEXT: }
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; CHECK-NEXT: {
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; CHECK-NEXT: vtmp.w = vgather(r1,m0,v0.w).w
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; CHECK-NEXT: vmem(r0+#0) = vtmp.new
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; CHECK-NEXT: }
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; CHECK-NEXT: {
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; CHECK-NEXT: r0 = add(r29,#0)
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; CHECK-NEXT: }
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; CHECK-NEXT: {
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; CHECK-NEXT: call foo
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; CHECK-NEXT: }
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; CHECK-NEXT: {
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; CHECK-NEXT: r31:30 = dealloc_return(r30):raw
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; CHECK-NEXT: }
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define void @fred(i8* %p, i32 %x, i32 %y) local_unnamed_addr #0 {
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entry:
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%v = alloca <16 x i32>, align 64
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%0 = bitcast <16 x i32>* %v to i8*
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call void @llvm.lifetime.start(i64 64, i8* nonnull %0) #3
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tail call void @llvm.hexagon.V6.vgathermw(i8* %p, i32 %x, i32 %y, <16 x i32> undef)
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call void @foo(i8* nonnull %0) #0
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call void @llvm.lifetime.end(i64 64, i8* nonnull %0) #3
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ret void
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}
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declare void @llvm.lifetime.start(i64, i8* nocapture) #1
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declare void @llvm.hexagon.V6.vgathermw(i8*, i32, i32, <16 x i32>) #1
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declare void @foo(i8*) local_unnamed_addr #0
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declare void @llvm.lifetime.end(i64, i8* nocapture) #1
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attributes #0 = { nounwind "target-cpu"="hexagonv65" }
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attributes #1 = { argmemonly nounwind }
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