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Don't manually (and forcibly) run the verifier on the entire module from

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the jump instruction table pass. First, the verifier is already built
into all the tools. The test case is adapted to just run llvm-as
demonstrating that we still catch the broken module. Second, the
verifier is *extremely* slow. This was responsible for very significant
compile time regressions.

If you have deployed a Clang binary anywhere from r210280 to this
commit, you really want to re-deploy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214287 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2014-07-30 05:44:04 +00:00
parent 1febfa28a4
commit 840b5d58c3
2 changed files with 1 additions and 6 deletions
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4
lib/CodeGen/JumpInstrTables.cpp
View File

@ -251,10 +251,6 @@ FunctionType *JumpInstrTables::transformType(FunctionType *FunTy) {
}
bool JumpInstrTables::runOnModule(Module &M) {
// Make sure the module is well-formed, especially with respect to jumptable.
if (verifyModule(M))
return false;
JITI = &getAnalysis<JumpInstrTableInfo>();
// Get the set of jumptable-annotated functions.

3
test/Verifier/jumptable.ll
View File

@ -1,4 +1,4 @@
; RUN: not llc <%s 2>&1 | FileCheck %s
; RUN: not llvm-as -disable-output %s 2>&1 | FileCheck %s
define i32 @f() jumptable {
ret i32 0
@ -6,4 +6,3 @@ define i32 @f() jumptable {
; CHECK: Attribute 'jumptable' requires 'unnamed_addr'
; CHECK: i32 ()* @f
; CHECK: LLVM ERROR: Broken function found, compilation aborted!