From e903f64b10dc61461b135425460efb63346f0fed Mon Sep 17 00:00:00 2001 From: Pawel Bylica Date: Mon, 22 Jun 2015 21:54:07 +0000 Subject: [PATCH] Revert r240291: causes problems in self-hosted builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240343 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 2 +- test/CodeGen/X86/fold-vector-shl-crash.ll | 9 --------- 2 files changed, 1 insertion(+), 10 deletions(-) delete mode 100644 test/CodeGen/X86/fold-vector-shl-crash.ll diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 80a1b5b3be7..bc2e5f13d43 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4275,7 +4275,7 @@ SDValue DAGCombiner::visitSHL(SDNode *N) { if (isNullConstant(N0)) return N0; // fold (shl x, c >= size(x)) -> undef - if (N1C && N1C->getAPIntValue().uge(OpSizeInBits)) + if (N1C && N1C->getZExtValue() >= OpSizeInBits) return DAG.getUNDEF(VT); // fold (shl x, 0) -> x if (N1C && N1C->isNullValue()) diff --git a/test/CodeGen/X86/fold-vector-shl-crash.ll b/test/CodeGen/X86/fold-vector-shl-crash.ll deleted file mode 100644 index 9f81e44074f..00000000000 --- a/test/CodeGen/X86/fold-vector-shl-crash.ll +++ /dev/null @@ -1,9 +0,0 @@ -; RUN: llc < %s -march=x86-64 | FileCheck %s -; RUN: llc < %s -march=x86 | FileCheck %s - -;CHECK-LABEL: test -define <2 x i256> @test() { - %S = shufflevector <2 x i256> zeroinitializer, <2 x i256> , <2 x i32> - %B = shl <2 x i256> %S, ; DAG Combiner crashes here - ret <2 x i256> %B -} -- 2.11.0