From a86343512845c9c1fdbac865fea88aa5fce7142a Mon Sep 17 00:00:00 2001 From: Eric Christopher Date: Wed, 17 Apr 2019 02:12:23 +0000 Subject: Temporarily Revert "Add basic loop fusion pass." As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546 --- .../unreachable-regression.ll | 34 ---------------------- 1 file changed, 34 deletions(-) delete mode 100644 llvm/test/Transforms/RewriteStatepointsForGC/unreachable-regression.ll (limited to 'llvm/test/Transforms/RewriteStatepointsForGC/unreachable-regression.ll') diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/unreachable-regression.ll b/llvm/test/Transforms/RewriteStatepointsForGC/unreachable-regression.ll deleted file mode 100644 index 1f781a4ce19..00000000000 --- a/llvm/test/Transforms/RewriteStatepointsForGC/unreachable-regression.ll +++ /dev/null @@ -1,34 +0,0 @@ -; RUN: opt -S -rewrite-statepoints-for-gc < %s | FileCheck %s -; RUN: opt -S -passes=rewrite-statepoints-for-gc < %s | FileCheck %s -; -; Regression test: -; After the rewritable callsite collection if any callsite was found -; in a block that was reported unreachable by DominanceTree then -; removeUnreachableBlocks() was called. But it is stronger than -; DominatorTree::isReachableFromEntry(), i.e. removeUnreachableBlocks -; can remove some blocks for which isReachableFromEntry() returns true. -; This resulted in stale pointers to the collected but removed -; callsites. Such stale pointers caused crash when accessed. -declare void @f(i8 addrspace(1)* %obj) - -define void @test(i8 addrspace(1)* %arg) gc "statepoint-example" { -; CHECK-LABEL: test( -; CHECK-NEXT: @f - call void @f(i8 addrspace(1)* %arg) #1 - br i1 true, label %not_zero, label %zero - -not_zero: - ret void - -; This block is reachable but removed by removeUnreachableBlocks() -zero: -; CHECK-NOT: @f - call void @f(i8 addrspace(1)* %arg) #1 - ret void - -unreach: - call void @f(i8 addrspace(1)* %arg) #1 - ret void -} - -attributes #1 = { norecurse noimplicitfloat } -- cgit v1.2.3