under the args ABI.
Differential Revision: http://llvm-reviews.chandlerc.com/D1316
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188113
91177308-0d34-0410-b5e6-
96231b3b80d8
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
+#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Transforms/Utils/SpecialCaseList.h"
#include <iterator>
if ((*i)->isDeclaration())
continue;
+ removeUnreachableBlocks(**i);
+
DFSanFunction DFSF(*this, *i);
// DFSanVisitor may create new basic blocks, which confuses df_iterator.
--- /dev/null
+; RUN: opt < %s -dfsan -verify -dfsan-args-abi -S | FileCheck %s
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+
+define i8 @unreachable_bb() {
+ ; CHECK: @unreachable_bb
+ ; CHECK: ret { i8, i16 } { i8 1, i16 0 }
+ ; CHECK-NOT: bb2:
+ ; CHECK-NOT: bb3:
+ ; CHECK-NOT: bb4:
+ ret i8 1
+
+bb2:
+ ret i8 2
+
+bb3:
+ br label %bb4
+
+bb4:
+ br label %bb3
+}