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54 lines
2.3 KiB
LLVM
54 lines
2.3 KiB
LLVM
; RUN: llc -march=hexagon < %s
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; REQUIRES: asserts
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; Splitting live ranges of vector predicate registers (in hexagon-peephole)
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; moved a PHI instruction into the middle of another basic block causing a
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; crash later on. Make sure this does not happen and that the testcase
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; compiles successfully.
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target triple = "hexagon"
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; Function Attrs: nounwind
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define void @f0() local_unnamed_addr #0 {
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b0:
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%v0 = icmp eq i32 undef, 0
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br i1 %v0, label %b1, label %b2
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b1: ; preds = %b0
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%v1 = tail call <1024 x i1> @llvm.hexagon.V6.pred.not.128B(<1024 x i1> undef) #2
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br label %b2
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b2: ; preds = %b1, %b0
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%v2 = phi <1024 x i1> [ %v1, %b1 ], [ undef, %b0 ]
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br label %b3
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b3: ; preds = %b3, %b2
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%v3 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %v2, <32 x i32> undef, <32 x i32> undef) #2
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%v4 = tail call <32 x i32> @llvm.hexagon.V6.vor.128B(<32 x i32> undef, <32 x i32> %v3) #2
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%v5 = tail call <32 x i32> @llvm.hexagon.V6.vor.128B(<32 x i32> %v4, <32 x i32> undef) #2
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%v6 = tail call <1024 x i1> @llvm.hexagon.V6.vgtub.128B(<32 x i32> %v5, <32 x i32> undef) #2
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%v7 = tail call <1024 x i1> @llvm.hexagon.V6.pred.or.128B(<1024 x i1> %v6, <1024 x i1> undef) #2
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%v8 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %v7, <32 x i32> undef, <32 x i32> undef) #2
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tail call void asm sideeffect "if($0) vmem($1)=$2;", "q,r,v,~{memory}"(<32 x i32> undef, <32 x i32>* undef, <32 x i32> %v8) #2
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br label %b3
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}
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; Function Attrs: nounwind readnone
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declare <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1>, <32 x i32>, <32 x i32>) #1
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; Function Attrs: nounwind readnone
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declare <1024 x i1> @llvm.hexagon.V6.vgtub.128B(<32 x i32>, <32 x i32>) #1
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; Function Attrs: nounwind readnone
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declare <1024 x i1> @llvm.hexagon.V6.pred.or.128B(<1024 x i1>, <1024 x i1>) #1
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; Function Attrs: nounwind readnone
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declare <1024 x i1> @llvm.hexagon.V6.pred.not.128B(<1024 x i1>) #1
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; Function Attrs: nounwind readnone
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declare <32 x i32> @llvm.hexagon.V6.vor.128B(<32 x i32>, <32 x i32>) #1
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attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length128b" }
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attributes #1 = { nounwind readnone }
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attributes #2 = { nounwind }
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