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authorChandler Carruth <chandlerc@gmail.com>2012-01-10 18:08:01 +0000
committerChandler Carruth <chandlerc@gmail.com>2012-01-10 18:08:01 +0000
commit732f05c41f177a0bc4d47e93a5d02120f146cb4c (patch)
treebdc90d2b58b83e7c4936cc92c152e1cb7ea34056 /lib/CodeGen/Spiller.cpp
parent38fdb7d9fc40e9f29c3156b6625cac8d91d562e1 (diff)
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Add 'llvm_unreachable' to passify GCC's understanding of the constraints
of several newly un-defaulted switches. This also helps optimizers (including LLVM's) recognize that every case is covered, and we should assume as much. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147861 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/Spiller.cpp')
-rw-r--r--lib/CodeGen/Spiller.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/Spiller.cpp b/lib/CodeGen/Spiller.cpp
index ec44d87a20..260eceab8a 100644
--- a/lib/CodeGen/Spiller.cpp
+++ b/lib/CodeGen/Spiller.cpp
@@ -194,4 +194,5 @@ llvm::Spiller* llvm::createSpiller(MachineFunctionPass &pass,
case trivial: return new TrivialSpiller(pass, mf, vrm);
case inline_: return createInlineSpiller(pass, mf, vrm);
}
+ llvm_unreachable("Invalid spiller optimization");
}