diff options
| -rw-r--r-- | lib/Analysis/ValueTracking.cpp | 6 | ||||
| -rw-r--r-- | test/Analysis/ScalarEvolution/pointer-sign-bits.ll | 220 |
2 files changed, 225 insertions, 1 deletions
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp index 17ffa2d..7509e91 100644 --- a/lib/Analysis/ValueTracking.cpp +++ b/lib/Analysis/ValueTracking.cpp @@ -624,8 +624,12 @@ bool llvm::MaskedValueIsZero(Value *V, const APInt &Mask, /// 'Op' must have a scalar integer type. /// unsigned llvm::ComputeNumSignBits(Value *V, TargetData *TD, unsigned Depth) { + assert((TD || V->getType()->isIntOrIntVector()) && + "ComputeNumSignBits requires a TargetData object to operate " + "on non-integer values!"); const Type *Ty = V->getType(); - unsigned TyBits = Ty->getScalarSizeInBits(); + unsigned TyBits = TD ? TD->getTypeSizeInBits(V->getType()->getScalarType()) : + Ty->getScalarSizeInBits(); unsigned Tmp, Tmp2; unsigned FirstAnswer = 1; diff --git a/test/Analysis/ScalarEvolution/pointer-sign-bits.ll b/test/Analysis/ScalarEvolution/pointer-sign-bits.ll new file mode 100644 index 0000000..05cb81b --- /dev/null +++ b/test/Analysis/ScalarEvolution/pointer-sign-bits.ll @@ -0,0 +1,220 @@ +; RUN: llvm-as < %s | opt -analyze -scalar-evolution -disable-output + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" + %JavaObject = type { [0 x i32 (...)*]*, i8* } + +define void @JnJVM_antlr_CSharpCodeGenerator_genBitSet__Lantlr_collections_impl_BitSet_2I(%JavaObject*, %JavaObject*, i32) { +start: + br i1 undef, label %"stack overflow", label %"no stack overflow" + +"GOTO or IF*2": ; preds = %"true verifyAndComputePtr89", %verifyNullCont84 + unreachable + +"GOTO or IF*5": ; preds = %"true verifyAndComputePtr127", %"GOTO or IF*6" + unreachable + +"GOTO or IF*6": ; preds = %"true verifyAndComputePtr131.GOTO or IF*6_crit_edge", %"true verifyAndComputePtr89" + %indvar = phi i32 [ %indvar.next, %"true verifyAndComputePtr131.GOTO or IF*6_crit_edge" ], [ 0, %"true verifyAndComputePtr89" ] ; <i32> [#uses=2] + %.0.in = add i32 %indvar, 0 ; <i32> [#uses=1] + %.0 = add i32 %.0.in, 1 ; <i32> [#uses=1] + %3 = icmp slt i32 %.0, %4 ; <i1> [#uses=1] + br i1 %3, label %verifyNullCont126, label %"GOTO or IF*5" + +end: ; preds = %"no exception block35" + ret void + +"stack overflow": ; preds = %start + ret void + +"no stack overflow": ; preds = %start + br i1 undef, label %verifyNullCont, label %"no stack overflow.end_crit_edge" + +"no stack overflow.end_crit_edge": ; preds = %"no stack overflow" + ret void + +verifyNullCont: ; preds = %"no stack overflow" + br i1 undef, label %verifyNullCont9, label %verifyNullCont.end_crit_edge + +verifyNullCont.end_crit_edge: ; preds = %verifyNullCont + ret void + +verifyNullCont9: ; preds = %verifyNullCont + br i1 undef, label %verifyNullCont12, label %verifyNullCont9.end_crit_edge + +verifyNullCont9.end_crit_edge: ; preds = %verifyNullCont9 + ret void + +verifyNullCont12: ; preds = %verifyNullCont9 + br i1 undef, label %"no exception block13", label %verifyNullCont12.end_crit_edge + +verifyNullCont12.end_crit_edge: ; preds = %verifyNullCont12 + ret void + +"no exception block13": ; preds = %verifyNullCont12 + br i1 undef, label %verifyNullExit14, label %verifyNullCont15 + +verifyNullExit14: ; preds = %"no exception block13" + ret void + +verifyNullCont15: ; preds = %"no exception block13" + br i1 undef, label %"no exception block16", label %verifyNullCont15.end_crit_edge + +verifyNullCont15.end_crit_edge: ; preds = %verifyNullCont15 + ret void + +"no exception block16": ; preds = %verifyNullCont15 + br i1 undef, label %verifyNullExit17, label %verifyNullCont18 + +verifyNullExit17: ; preds = %"no exception block16" + ret void + +verifyNullCont18: ; preds = %"no exception block16" + br i1 undef, label %"no exception block19", label %verifyNullCont18.end_crit_edge + +verifyNullCont18.end_crit_edge: ; preds = %verifyNullCont18 + ret void + +"no exception block19": ; preds = %verifyNullCont18 + br i1 undef, label %verifyNullExit20, label %verifyNullCont21 + +verifyNullExit20: ; preds = %"no exception block19" + ret void + +verifyNullCont21: ; preds = %"no exception block19" + br i1 undef, label %verifyNullCont24, label %verifyNullCont21.end_crit_edge + +verifyNullCont21.end_crit_edge: ; preds = %verifyNullCont21 + ret void + +verifyNullCont24: ; preds = %verifyNullCont21 + br i1 undef, label %verifyNullCont27, label %verifyNullCont24.end_crit_edge + +verifyNullCont24.end_crit_edge: ; preds = %verifyNullCont24 + ret void + +verifyNullCont27: ; preds = %verifyNullCont24 + br i1 undef, label %verifyNullCont32, label %verifyNullCont27.end_crit_edge + +verifyNullCont27.end_crit_edge: ; preds = %verifyNullCont27 + ret void + +verifyNullCont32: ; preds = %verifyNullCont27 + br i1 undef, label %verifyNullExit33, label %verifyNullCont34 + +verifyNullExit33: ; preds = %verifyNullCont32 + ret void + +verifyNullCont34: ; preds = %verifyNullCont32 + br i1 undef, label %"no exception block35", label %verifyNullCont34.end_crit_edge + +verifyNullCont34.end_crit_edge: ; preds = %verifyNullCont34 + ret void + +"no exception block35": ; preds = %verifyNullCont34 + br i1 undef, label %end, label %verifyNullCont60 + +verifyNullCont60: ; preds = %"no exception block35" + br i1 undef, label %verifyNullCont63, label %verifyNullCont60.end_crit_edge + +verifyNullCont60.end_crit_edge: ; preds = %verifyNullCont60 + ret void + +verifyNullCont63: ; preds = %verifyNullCont60 + br i1 undef, label %"no exception block64", label %verifyNullCont63.end_crit_edge + +verifyNullCont63.end_crit_edge: ; preds = %verifyNullCont63 + ret void + +"no exception block64": ; preds = %verifyNullCont63 + br i1 undef, label %verifyNullExit65, label %verifyNullCont66 + +verifyNullExit65: ; preds = %"no exception block64" + ret void + +verifyNullCont66: ; preds = %"no exception block64" + br i1 undef, label %"no exception block67", label %verifyNullCont66.end_crit_edge + +verifyNullCont66.end_crit_edge: ; preds = %verifyNullCont66 + ret void + +"no exception block67": ; preds = %verifyNullCont66 + br i1 undef, label %verifyNullExit68, label %verifyNullCont69 + +verifyNullExit68: ; preds = %"no exception block67" + ret void + +verifyNullCont69: ; preds = %"no exception block67" + br i1 undef, label %"no exception block70", label %verifyNullCont69.end_crit_edge + +verifyNullCont69.end_crit_edge: ; preds = %verifyNullCont69 + ret void + +"no exception block70": ; preds = %verifyNullCont69 + br i1 undef, label %verifyNullExit71, label %verifyNullCont72 + +verifyNullExit71: ; preds = %"no exception block70" + ret void + +verifyNullCont72: ; preds = %"no exception block70" + br i1 undef, label %verifyNullCont75, label %verifyNullCont72.end_crit_edge + +verifyNullCont72.end_crit_edge: ; preds = %verifyNullCont72 + ret void + +verifyNullCont75: ; preds = %verifyNullCont72 + br i1 undef, label %verifyNullCont78, label %verifyNullCont75.end_crit_edge + +verifyNullCont75.end_crit_edge: ; preds = %verifyNullCont75 + ret void + +verifyNullCont78: ; preds = %verifyNullCont75 + br i1 undef, label %"verifyNullCont78.GOTO or IF*4_crit_edge", label %verifyNullCont78.end_crit_edge + +"verifyNullCont78.GOTO or IF*4_crit_edge": ; preds = %verifyNullCont78 + br i1 undef, label %verifyNullExit80, label %verifyNullCont81 + +verifyNullCont78.end_crit_edge: ; preds = %verifyNullCont78 + ret void + +verifyNullExit80: ; preds = %"verifyNullCont78.GOTO or IF*4_crit_edge" + ret void + +verifyNullCont81: ; preds = %"verifyNullCont78.GOTO or IF*4_crit_edge" + %4 = ptrtoint i8* undef to i32 ; <i32> [#uses=2] + %5 = icmp slt i32 0, %4 ; <i1> [#uses=1] + br i1 %5, label %verifyNullCont84, label %verifyNullCont172 + +verifyNullCont84: ; preds = %verifyNullCont81 + br i1 undef, label %"GOTO or IF*2", label %verifyNullCont86 + +verifyNullCont86: ; preds = %verifyNullCont84 + br i1 undef, label %"true verifyAndComputePtr", label %"false verifyAndComputePtr" + +"true verifyAndComputePtr": ; preds = %verifyNullCont86 + br i1 undef, label %"true verifyAndComputePtr89", label %"false verifyAndComputePtr90" + +"false verifyAndComputePtr": ; preds = %verifyNullCont86 + ret void + +"true verifyAndComputePtr89": ; preds = %"true verifyAndComputePtr" + br i1 undef, label %"GOTO or IF*6", label %"GOTO or IF*2" + +"false verifyAndComputePtr90": ; preds = %"true verifyAndComputePtr" + ret void + +verifyNullCont126: ; preds = %"GOTO or IF*6" + br i1 undef, label %"true verifyAndComputePtr127", label %"false verifyAndComputePtr128" + +"true verifyAndComputePtr127": ; preds = %verifyNullCont126 + br i1 undef, label %"true verifyAndComputePtr131.GOTO or IF*6_crit_edge", label %"GOTO or IF*5" + +"false verifyAndComputePtr128": ; preds = %verifyNullCont126 + ret void + +"true verifyAndComputePtr131.GOTO or IF*6_crit_edge": ; preds = %"true verifyAndComputePtr127" + %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] + br label %"GOTO or IF*6" + +verifyNullCont172: ; preds = %verifyNullCont81 + unreachable +} |