From afe822bd6de7673b29a68d4feb5b24e2ba48b447 Mon Sep 17 00:00:00 2001 From: Ilya Biryukov Date: Fri, 20 Apr 2018 10:52:54 +0000 Subject: Revert r330403 and r330413. Revert r330413: "[SSAUpdaterBulk] Use SmallVector instead of DenseMap for storing rewrites." Revert r330403 "Reapply "[PR16756] Use SSAUpdaterBulk in JumpThreading." one more time." r330403 commit seems to crash clang during our integrate while doing PGO build with the following stacktrace: #2 llvm::SSAUpdaterBulk::RewriteAllUses(llvm::DominatorTree*, llvm::SmallVectorImpl*) #3 llvm::JumpThreadingPass::ThreadEdge(llvm::BasicBlock*, llvm::SmallVectorImpl const&, llvm::BasicBlock*) #4 llvm::JumpThreadingPass::ProcessThreadableEdges(llvm::Value*, llvm::BasicBlock*, llvm::jumpthreading::ConstantPreference, llvm::Instruction*) #5 llvm::JumpThreadingPass::ProcessBlock(llvm::BasicBlock*) The crash happens while compiling 'lib/Analysis/CallGraph.cpp'. r3340413 is reverted due to conflicting changes. llvm-svn: 330416 --- llvm/test/Transforms/JumpThreading/removed-use.ll | 28 ----------------------- 1 file changed, 28 deletions(-) delete mode 100644 llvm/test/Transforms/JumpThreading/removed-use.ll (limited to 'llvm/test/Transforms') diff --git a/llvm/test/Transforms/JumpThreading/removed-use.ll b/llvm/test/Transforms/JumpThreading/removed-use.ll deleted file mode 100644 index d2c6836fc28..00000000000 --- a/llvm/test/Transforms/JumpThreading/removed-use.ll +++ /dev/null @@ -1,28 +0,0 @@ -; RUN: opt -S < %s -jump-threading | FileCheck %s -; CHECK-LABEL: @foo -; CHECK: bb6: -; CHECK-NEXT: ret void -; CHECK: bb3: -; CHECK: br label %bb3 -define void @foo() { -entry: - br i1 true, label %bb6, label %bb3 - -bb3: - %x0 = phi i32 [ undef, %entry ], [ %x1, %bb5 ] - %y = and i64 undef, 1 - %p = icmp ne i64 %y, 0 - br i1 %p, label %bb4, label %bb5 - -bb4: - br label %bb5 - -bb5: - %x1 = phi i32 [ %x0, %bb3 ], [ %x0, %bb4 ] - %z = phi i32 [ 0, %bb3 ], [ 1, %bb4 ] - %q = icmp eq i32 %z, 0 - br i1 %q, label %bb3, label %bb6 - -bb6: - ret void -} -- cgit v1.2.3