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| author | Bill Wendling <isanbard@gmail.com> | 2012-10-22 23:30:04 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2012-10-22 23:30:04 +0000 |
| commit | 8f47fc8f00fbb1cc2215fc90942b0948e3ca121b (patch) | |
| tree | 471ce388123c90e9fb98987a959ec6368db82346 /lib/Target/ARM | |
| parent | 3ed0316f756e2f1730f46654776fcf77f5ace7aa (diff) | |
| download | llvm-8f47fc8f00fbb1cc2215fc90942b0948e3ca121b.tar.gz llvm-8f47fc8f00fbb1cc2215fc90942b0948e3ca121b.tar.bz2 llvm-8f47fc8f00fbb1cc2215fc90942b0948e3ca121b.tar.xz | |
When a block ends in an indirect branch, add its successors to the machine basic block.
The CFG of the machine function needs to know that the targets of the indirect
branch are successors to the indirect branch.
<rdar://problem/12529625>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166448 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM')
| -rw-r--r-- | lib/Target/ARM/ARMFastISel.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp index 92248f5317..89b85d09b7 100644 --- a/lib/Target/ARM/ARMFastISel.cpp +++ b/lib/Target/ARM/ARMFastISel.cpp @@ -1388,6 +1388,11 @@ bool ARMFastISel::SelectIndirectBr(const Instruction *I) { unsigned Opc = isThumb2 ? ARM::tBRIND : ARM::BX; AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(Opc)) .addReg(AddrReg)); + + const IndirectBrInst *IB = cast<IndirectBrInst>(I); + for (unsigned i = 0, e = IB->getNumSuccessors(); i != e; ++i) + FuncInfo.MBB->addSuccessor(FuncInfo.MBBMap[IB->getSuccessor(i)]); + return true; } |