1219214a3b
The hook HexagonInstrInfo::isValidOffset() is updated to evaluate offsets of missed LD/ST vector instructions.
60 lines
2.9 KiB
LLVM
60 lines
2.9 KiB
LLVM
; REQUIRES: asserts
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; RUN: llc -O3 -march=hexagon < %s -o /dev/null
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; Make sure that this doesn't crash.
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; This test validates that the compiler would not assert when analyzing the
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; offset of V6_vS32b_pred_ai instruction
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%struct.pluto = type <{ ptr, i16, ptr }>
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@global = external hidden unnamed_addr constant [62 x i8], align 1
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@global.1 = external hidden unnamed_addr constant [47 x i8], align 1
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@global.2 = hidden local_unnamed_addr constant %struct.pluto <{ ptr @global, i16 892, ptr @global.1 }>, align 1
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@global.3 = local_unnamed_addr constant [1 x i32] zeroinitializer
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; Function Attrs: nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write)
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declare void @llvm.assume(i1 noundef) #0
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; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
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declare <32 x i32> @llvm.hexagon.V6.vd0.128B() #1
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; Function Attrs: noinline nounwind
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declare hidden fastcc void @zot(i32, i32, i32, i32) unnamed_addr #2
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; Function Attrs: noinline nounwind
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define void @barney(ptr nocapture %arg, ptr nocapture readnone %arg1, i8 signext %arg2, i32 %arg3, ptr nocapture readnone %arg4, ptr nocapture readnone %arg5, i32 %arg6, i32 %arg7, ptr nocapture readnone %arg8, ptr nocapture readnone %arg9, ptr nocapture readnone %arg10, ptr nocapture readnone %arg11, ptr nocapture readnone %arg12, ptr nocapture readnone %arg13, ptr nocapture readnone %arg14, ptr nocapture readnone %arg15, ptr nocapture readnone %arg16, ptr nocapture readnone %arg17) local_unnamed_addr #2 {
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bb:
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%icmp = icmp ult i32 %arg3, 4
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tail call void @llvm.assume(i1 %icmp) #3
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%call = tail call <32 x i32> @llvm.hexagon.V6.vd0.128B() #3
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br label %bb18
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bb18: ; preds = %bb22, %bb
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%phi = phi i32 [ %and, %bb22 ], [ %arg3, %bb ]
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%phi19 = phi i32 [ %add23, %bb22 ], [ 4, %bb ]
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%icmp20 = icmp eq i32 %phi, 0
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br i1 %icmp20, label %bb21, label %bb22
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bb21: ; preds = %bb18
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%shl = shl i32 %phi19, 8
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%getelementptr = getelementptr inbounds i8, ptr %arg, i32 %shl
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%bitcast = bitcast ptr %getelementptr to ptr
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store <32 x i32> %call, ptr %bitcast, align 128
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br label %bb22
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bb22: ; preds = %bb21, %bb18
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%add = add nuw nsw i32 %phi, 1
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%and = and i32 %add, 3
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%add23 = add nuw nsw i32 %phi19, 1
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%icmp24 = icmp eq i32 %add23, 8
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br i1 %icmp24, label %bb25, label %bb18
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bb25: ; preds = %bb22
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tail call fastcc void @zot(i32 %arg6, i32 %arg7, i32 0, i32 %arg3)
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ret void
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}
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attributes #0 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) }
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attributes #1 = { nocallback nofree nosync nounwind willreturn memory(none) }
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attributes #2 = { noinline nounwind "target-cpu"="hexagonv68" "target-features"="+hvx-length128b,+hvxv68,+v68,+hvx-ieee-fp,-long-calls,-small-data" "unsafe-fp-math"="true" "use-soft-float"="false" }
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attributes #3 = { nounwind }
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