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Bill Wendling f69d5d7398 If we have a function like this: 
void bork() {
  int *address = 0;
  *address = 0;
}

It's compiled into LLVM code that looks like this:

define void @bork() noreturn nounwind  {
entry:
        unreachable
}

This is bad on some platforms (like PPC) because it will generate the label for
the function but no body. The label could end up being associated with some
non-code related stuff, like a section. This places a "trap" instruction if the
SimplifyCFG pass removed all code from the function leaving only one
"unreachable" instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46387 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-26 01:43:44 +00:00
..
2002-01-23-LoadQISIReloadFailure.c
…
2002-01-24-ComplexSpaceInType.c
…
2002-01-24-HandleCallInsnSEGV.c
…
2002-02-13-ConditionalInCall.c
…
2002-02-13-ReloadProblem.c
…
2002-02-13-TypeVarNameCollision.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-02-13-UnnamedLocal.c
…
2002-02-14-EntryNodePreds.c
…
2002-02-16-RenamingTest.c
…
2002-02-17-ArgumentAddress.c
…
2002-02-18-64bitConstant.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-02-18-StaticData.c
…
2002-03-11-LargeCharInString.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-03-12-ArrayInitialization.c
…
2002-03-12-StructInitialize.c
…
2002-03-12-StructInitializer.c
…
2002-03-14-BrokenPHINode.c
…
2002-03-14-BrokenSSA.c
…
2002-03-14-QuotesInStrConst.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-04-07-SwitchStmt.c
…
2002-04-08-LocalArray.c
…
2002-04-09-StructRetVal.c
…
2002-04-10-StructParameters.c
…
2002-05-23-StaticValues.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-05-23-TypeNameCollision.c
…
2002-05-24-Alloca.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-06-25-FWriteInterfaceFailure.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-07-14-MiscListTests.c
…
2002-07-14-MiscTests2.c
…
2002-07-14-MiscTests3.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-07-14-MiscTests.c
…
2002-07-16-HardStringInit.c
…
2002-07-17-StringConstant.c
…
2002-07-29-Casts.c
…
2002-07-30-SubregSetAssertion.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-07-30-UnionTest.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-07-30-VarArgsCallFailure.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-07-31-BadAssert.c
…
2002-07-31-SubregFailure.c
…
2002-08-02-UnionTest.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-08-19-RecursiveLocals.c
…
2002-09-08-PointerShifts.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-09-18-UnionProblem.c
…
2002-09-19-StarInLabel.c
…
2002-10-12-TooManyArguments.c
Eliminate tabs and trailing spaces
2005-04-23 21:26:11 +00:00
2002-12-15-GlobalBoolTest.c
…
2002-12-15-GlobalConstantTest.c
…
2002-12-15-GlobalRedefinition.c
…
2002-12-15-StructParameters.c
…
2003-01-30-UnionInit.c
llvm-gcc3 is gone
2007-02-08 04:31:15 +00:00
2003-03-03-DeferredType.c
…
2003-06-22-UnionCrash.c
…
2003-06-23-GCC-fold-infinite-recursion.c
…
2003-06-26-CFECrash.c
…
2003-06-29-MultipleFunctionDefinition.c
…
2003-07-22-ArrayAccessTypeSafety.c.tr
Revert changes for noinline.
2007-06-06 20:46:40 +00:00
2003-08-06-BuiltinSetjmpLongjmp.c.tr
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2003-08-17-DeadCodeShortCircuit.c.tr
Fix this to put its output in the output directory.
2007-03-06 17:44:43 +00:00
2003-08-18-SigSetJmp.c
…
2003-08-18-StructAsValue.c
…
2003-08-20-BadBitfieldRef.c
…
2003-08-20-PrototypeMismatch.c
…
2003-08-20-vfork-bug.c
…
2003-08-21-BinOp-Type-Mismatch.c
…
2003-08-21-StmtExpr.c
…
2003-08-21-WideString.c
…
2003-08-23-LocalUnionTest.c
…
2003-08-29-BitFieldStruct.c
…
2003-08-29-HugeCharConst.c
…
2003-08-29-StructLayoutBug.c
…
2003-08-30-AggregateInitializer.c
llvm-gcc3 is gone
2007-02-08 04:31:15 +00:00
2003-08-30-LargeIntegerBitfieldMember.c
…
2003-09-18-BitfieldTests.c
…
2003-09-30-StructLayout.c
…
2003-10-02-UnionLValueError.c
…
2003-10-06-NegateExprType.c
…
2003-10-09-UnionInitializerBug.c
…
2003-10-28-ident.c
…
2003-10-29-AsmRename.c
…
2003-11-01-C99-CompoundLiteral.c
…
2003-11-01-EmptyStructCrash.c
…
2003-11-01-GlobalUnionInit.c
…
2003-11-03-AddrArrayElement.c.tr
…
2003-11-04-EmptyStruct.c
…
2003-11-04-OutOfMemory.c
…
2003-11-08-PointerSubNotGetelementptr.c.tr
…
2003-11-12-VoidString.c
…
2003-11-13-TypeSafety.c.tr
…
2003-11-16-StaticArrayInit.c
…
2003-11-18-CondExprLValue.c
…
2003-11-19-AddressOfRegister.c.tr
For PR1319:
2007-04-16 15:31:49 +00:00
2003-11-19-BitFieldArray.c
…
2003-11-20-Bitfields.c
…
2003-11-20-ComplexDivision.c
…
2003-11-20-UnionBitfield.c
…
2003-11-26-PointerShift.c
…
2003-11-27-ConstructorCast.c
…
2003-11-27-UnionCtorInitialization.c
…
2003-12-14-ExternInlineSupport.c.tr
…
2004-01-01-UnknownInitSize.c
llvm-gcc3 is gone
2007-02-08 04:31:15 +00:00
2004-01-08-ExternInlineRedefine.c
…
2004-02-12-LargeAggregateCopy.c.tr
…
2004-02-13-BuiltinFrameReturnAddress.c.tr
Convert tests using "| wc -l | grep ..." to use the count script.
2007-08-15 13:36:28 +00:00
2004-02-13-IllegalVararg.c.tr
…
2004-02-13-Memset.c
Convert tests using "| wc -l | grep ..." to use the count script.
2007-08-15 13:36:28 +00:00
2004-02-14-ZeroInitializer.c
…
2004-02-20-Builtins.c.tr
…
2004-03-07-ComplexDivEquals.c
…
2004-03-07-ExternalConstant.c.tr
…
2004-03-09-LargeArrayInitializers.c
…
2004-03-15-SimpleIndirectGoto.c
…
2004-03-16-AsmRegisterCrash.c
…
2004-05-07-VarArrays.c
…
2004-05-21-IncompleteEnum.c
…
2004-06-08-OpaqueStructArg.c
…
2004-06-17-UnorderedBuiltins.c
…
2004-06-17-UnorderedCompares.c.tr
Modify this test to not depend on the host math.h implementation
2006-01-07 01:37:25 +00:00
2004-06-18-VariableLengthArrayOfStructures.c
…
2004-07-06-FunctionCast.c
…
2004-08-06-LargeStructTest.c
…
2004-11-25-UnnamedBitfieldPadding.c
…
2004-11-27-InvalidConstantExpr.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2004-11-27-StaticFunctionRedeclare.c
Use %s, not explicit name.
2007-04-16 16:06:17 +00:00
2004-11-27-VariableSizeInStructure.c
…
2005-01-02-ConstantInits.c
…
2005-01-02-PointerDifference.c.tr
…
2005-01-02-VAArgError-ICE.c
For PR1319:
2007-04-16 15:15:52 +00:00
2005-02-20-AggregateSAVEEXPR.c
Make this testcase compatible with CYGWIN.
2007-11-27 06:17:01 +00:00
2005-02-27-MarkGlobalConstant.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2005-03-05-OffsetOfHack.c
New testcase for PR533
2005-03-05 18:47:28 +00:00
2005-03-06-OffsetOfStructCrash.c
new testcase reduced from the MultiSource/Applications/d failure last night.
2005-03-06 19:40:19 +00:00
2005-03-11-Prefetch.c
new testcase for __builtin_prefetch support.
2005-03-11 06:14:23 +00:00
2005-04-09-ComplexOps.c
Add the RUN: prefix to the start of the run line so this test doesn't fail.
2005-04-22 02:49:25 +00:00
2005-05-06-CountBuiltins.c
For PR1319:
2007-04-16 15:31:49 +00:00
2005-05-10-GlobalUnionInit.c
new testcase for PR562
2005-05-10 22:32:29 +00:00
2005-06-15-ExpandGotoInternalProblem.c
Use opt instead of gccas.
2007-03-19 18:25:55 +00:00
2005-07-20-SqrtNoErrno.c
If errno doesn't matter (e.g. in -ffast-math scenarios), sqrt* should be
2005-07-21 01:09:27 +00:00
2005-07-26-UnionInitCrash.c
Testcase for PR607
2005-07-26 22:08:53 +00:00
2005-07-28-IncorrectWeakGlobal.c
New testcase for PR610
2005-07-28 20:18:33 +00:00
2005-09-20-ComplexConstants.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2005-09-24-AsmUserPrefix.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2005-09-24-BitFieldCrash.c
new testcase that crashes the CFE
2005-09-24 20:54:33 +00:00
2005-10-18-VariableSizedElementCrash.c
llvm-gcc3 is gone
2007-02-08 04:31:15 +00:00
2005-12-04-AttributeUsed.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2005-12-04-DeclarationLineNumbers.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2006-01-13-Includes.c
For PR1319:
2007-04-16 17:36:08 +00:00
2006-01-13-StackSave.c
Eliminate the use of gccas in the test suite.
2007-02-09 15:15:21 +00:00
2006-01-16-BitCountIntrinsicsUnsigned.c
Convert tests using "| wc -l | grep ..." to use the count script.
2007-08-15 13:36:28 +00:00
2006-01-23-FileScopeAsm.c
Convert tests using "| wc -l | grep ..." to use the count script.
2007-08-15 13:36:28 +00:00
2006-03-03-MissingInitializer.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2006-03-16-VectorCtor.c
llvm-gcc3 is gone
2007-02-08 04:31:15 +00:00
2006-03-17-KnRMismatch.c
new testcase that broke the new f.e.
2006-03-17 18:01:17 +00:00
2006-05-01-AppleAlignmentPragma.c
New testcase that crashes the new CFE.
2006-05-01 23:18:55 +00:00
2006-05-19-SingleEltReturn.c
new testcase
2006-05-19 19:34:09 +00:00
2006-07-31-PR854.c
llvm-gcc3 is gone
2007-02-08 04:31:15 +00:00
2006-09-11-BitfieldRefCrash.c
new testcase for PR906
2006-09-11 22:48:23 +00:00
2006-09-18-fwrite-cast-crash.c
new testcase
2006-09-18 18:07:51 +00:00
2006-09-21-IncompleteElementType.c
Fix bug in regression tests that ignored stderr output in RUN lines. Updated tests and fixed broken run lines.
2007-11-28 04:57:00 +00:00
2006-09-25-DebugFilename.c
Use not instead of ignore when an exit status is expected to always
2007-12-11 15:50:23 +00:00
2006-09-25-DebugFilename.h
Regression test for PR#922.
2006-09-25 19:12:01 +00:00
2006-09-28-SimpleAsm.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2006-10-30-ArrayCrash.c
add a note
2006-10-31 06:26:10 +00:00
2006-12-14-ordered_expr.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2007-01-06-KNR-Proto.c
testcase for pr1083
2007-01-06 23:38:37 +00:00
2007-01-20-VectorICE.c
new testcase
2007-01-21 00:56:42 +00:00
2007-01-24-InlineAsmCModifier.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2007-02-04-AddrLValue-2.c
Test for PR1173
2007-02-05 02:28:56 +00:00
2007-02-04-AddrLValue.c
fix bug number
2007-02-05 02:26:07 +00:00
2007-02-04-EmptyStruct.c
testcase for PR1175
2007-02-04 23:55:04 +00:00
2007-02-04-WITH_SIZE_EXPR.c
this passes now
2007-02-19 20:20:04 +00:00
2007-02-05-nested.c
new testcase for nested functions
2007-02-07 23:28:08 +00:00
2007-02-07-AddrLabel.c
New testcase for PR947
2007-02-08 04:34:03 +00:00
2007-02-16-VariableSizeStructArg.c
testcase for PR1170
2007-02-17 05:44:57 +00:00
2007-02-16-VoidPtrDiff.c
new testcase
2007-02-17 01:44:21 +00:00
2007-02-16-WritableStrings.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2007-02-25-C-DotDotDot.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2007-03-01-VarSizeArrayIdx.c
testcase for PR1233
2007-03-02 07:29:59 +00:00
2007-03-05-DataLayout.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2007-03-06-VarSizeInStruct1.c
Test handling of structs with multiple variable-sized fields.
2007-03-20 14:13:20 +00:00
2007-03-06-VarSizeInStruct2.c
Test handling of structs with multiple variable-sized fields.
2007-03-20 14:13:20 +00:00
2007-03-26-BitfieldAfterZeroWidth.c
Testcase for C front-end crash.
2007-04-16 18:51:13 +00:00
2007-03-26-ZeroWidthBitfield.c
Testcase for the problem worked around in
2007-04-01 15:29:02 +00:00
2007-03-27-ArrayCompatible.c
Check handling of arrays of variable sized components.
2007-04-16 21:12:03 +00:00
2007-03-27-VarLengthArray.c
Test code quality for variable length array references.
2007-04-16 21:13:57 +00:00
2007-04-05-PackedBitFields-2.c
New tests for Packed structs.
2007-04-05 17:07:48 +00:00
2007-04-05-PackedBitFields.c
New tests for Packed structs.
2007-04-05 17:07:48 +00:00
2007-04-05-PackedStruct.c
New tests for Packed structs.
2007-04-05 17:07:48 +00:00
2007-04-05-PadBeforeZeroLengthField.c
testcase for padding before zero-length fields.
2007-04-05 19:05:43 +00:00
2007-04-05-UnPackedStruct.c
New tests for Packed structs.
2007-04-05 17:07:48 +00:00
2007-04-11-InlineAsmStruct.c
not all targets want to return an i32. What really matters is whether llc accepts the generated code.
2007-04-29 18:59:01 +00:00
2007-04-11-InlineAsmUnion.c
not all targets want to return an i32. What really matters is whether llc accepts the generated code.
2007-04-29 18:59:01 +00:00
2007-04-11-InlineStorageClassC89.c
Convert tests using "| wc -l | grep ..." to use the count script.
2007-08-15 13:36:28 +00:00
2007-04-11-InlineStorageClassC99.c
Convert tests using "| wc -l | grep ..." to use the count script.
2007-08-15 13:36:28 +00:00
2007-04-11-PR1321.c
New test case for PR 1321.
2007-04-12 00:32:43 +00:00
2007-04-13-InlineAsmStruct2.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2007-04-13-InlineAsmUnion2.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
2007-04-14-FNoBuiltin.c
adjust per review comments
2007-04-15 02:40:12 +00:00
2007-04-17-ZeroSizeBitFields.c
Use // not ; since this is C.
2007-04-17 20:50:33 +00:00
2007-04-24-bit-not-expr.c
rename C files to end with .c
2007-06-09 06:10:47 +00:00
2007-04-24-str-const.c
rename C files to end with .c
2007-06-09 06:10:47 +00:00
2007-04-24-VolatileStructCopy.c
testcase for PR1352
2007-04-25 00:26:05 +00:00
2007-05-07-NestedStructReturn.c
Make the struct bigger, in an attempt to get a "struct return" on more
2007-06-07 09:35:33 +00:00
2007-05-07-PaddingElements.c
New test.
2007-05-08 06:10:12 +00:00
2007-05-08-PCH.c
New test for PR1400
2007-05-08 18:08:20 +00:00
2007-05-11-str-const.c
rename C files to end with .c
2007-06-09 06:10:47 +00:00
2007-05-15-PaddingElement.c
New test.
2007-05-15 23:44:27 +00:00
2007-05-16-EmptyStruct.c
Fix PR number.
2007-05-16 16:51:31 +00:00
2007-05-29-UnionCopy.c
new testcase for PR1421
2007-05-30 05:37:18 +00:00
2007-06-05-NoInlineAttribute.c
Test the C front-end, not the C++ front-end.
2007-09-26 07:28:20 +00:00
2007-06-15-AnnotateAttribute.c
Test the C front-end, not the C++ front-end.
2007-09-26 07:28:20 +00:00
2007-06-18-SextAttrAggregate.c
Make this explictly signed. Fixes PR1571.
2007-07-28 16:43:10 +00:00
2007-07-29-RestrictPtrArg.c
Test the C front-end, not the C++ front-end.
2007-09-26 07:28:20 +00:00
2007-08-01-LoadStoreAlign.c
Convert tests using "grep -c ... | grep ..." to use the count script.
2007-08-15 13:49:33 +00:00
2007-08-21-ComplexCst.c
Test handling of complex constants as lvalues.
2007-08-22 05:58:22 +00:00
2007-08-22-CTTZ.c
Fix this testcase: there are two matches for
2007-08-23 17:22:50 +00:00
2007-09-05-ConstCtor.c
Test for PR1641.
2007-09-07 08:30:09 +00:00
2007-09-12-PragmaPack.c
Fix date :)
2007-09-11 22:20:27 +00:00
2007-09-14-NegatePointer.c
New testcase for PR1662. GCC trees are horrible :(
2007-09-15 05:46:41 +00:00
2007-09-17-WeakRef.c
XFAIL for llvm-gcc4.0
2007-09-24 17:14:53 +00:00
2007-09-20-GcrootAttribute.c
Strengthening this test so it fails in release mode.
2007-12-30 05:45:49 +00:00
2007-09-26-Alignment.c
Test that local variables are aligned as the user requested.
2007-09-26 04:04:29 +00:00
2007-09-27-ComplexIntCompare.c
new testcase for PR1708
2007-09-27 15:47:16 +00:00
2007-09-28-PackedUnionMember.c
Do not ignore packed member size while selecting union type.
2007-09-28 23:54:26 +00:00
2007-10-01-BuildArrayRef.c
Fix bug in regression tests that ignored stderr output in RUN lines. Updated tests and fixed broken run lines.
2007-11-28 04:57:00 +00:00
2007-10-02-VolatileArray.c
testcase for PR1647
2007-10-03 05:29:07 +00:00
2007-10-15-VoidPtr.c
Don't branch fold inline asm statements.
2007-10-19 21:09:55 +00:00
2007-10-30-Volatile.c
New test.
2007-10-30 23:07:47 +00:00
2007-11-07-AlignedMemcpy.c
Add testcase
2007-11-07 19:36:26 +00:00
2007-11-07-CopyAggregateAlign.c
Un XFAIL these tests, now that Bill has backported
2007-11-14 13:40:53 +00:00
2007-11-07-ZeroAggregateAlign.c
Un XFAIL these tests, now that Bill has backported
2007-11-14 13:40:53 +00:00
2007-11-27-SExtZExt.c
Add testcase for last llvm-gcc tweaks
2007-11-27 18:21:29 +00:00
2007-11-28-GlobalInitializer.c
New testcase for PR1744
2007-11-28 22:43:34 +00:00
2007-12-16-AsmNoUnwind.c
Make instcombine promote inline asm calls to 'nounwind'
2007-12-16 15:51:49 +00:00
2007-12-VarArrayDebug.c
Testcase for preceding FE fix
2007-12-18 01:58:38 +00:00
2008-01-04-WideBitfield.c
Testcase for PR1386.
2008-01-04 13:15:39 +00:00
2008-01-07-UnusualIntSize.c
Testcase for PR1721
2008-01-08 05:16:29 +00:00
2008-01-11-ChainConsistency.c
Check that nested functions don't get pointless
2008-01-13 18:44:12 +00:00
2008-01-21-PackedBitFields.c
New test.
2008-01-21 19:28:13 +00:00
2008-01-21-PackedStructField.c
New test.
2008-01-21 22:15:58 +00:00
2008-01-24-StructAlignAndBitFields.c
New test.
2008-01-24 23:55:34 +00:00
2008-01-25-ByValReadNone.c
add a testcase for a bug Duncan pointed out.
2008-01-25 22:36:24 +00:00
2008-01-25-EmptyFunction.c
If we have a function like this:
2008-01-26 01:43:44 +00:00
2008-01-25-ZeroSizedAggregate.c
Add another testcase.
2008-01-26 01:21:48 +00:00
attribute_constructor.c
new testcase that should have been added long ago.
2006-03-07 22:33:00 +00:00
BasicInstrs.c
For PR1558:
2007-07-17 06:20:38 +00:00
block-copy.c
new testcase
2007-04-25 01:51:33 +00:00
dg.exp
Make running these tests conditional on llvm-gcc supporting the language
2007-04-22 05:53:18 +00:00
exact-div-expr.c
Be explicit about which level of optimization is being asked for. The -O option
2007-07-29 18:23:22 +00:00
extern-weak.c
Make this pass for CYGWIN.
2007-11-27 06:23:59 +00:00
funccall.c
For PR1558:
2007-07-17 06:20:38 +00:00
hidden-visibility.c
For PR1319: Upgrade to new test harness.
2007-04-15 20:08:37 +00:00
nested-functions.c
add PR number and testcase from the PR.
2007-05-15 20:40:25 +00:00
sret2.c
Testcase for PR 1397.
2007-10-25 00:50:14 +00:00
sret.c
Convert tests using "| wc -l | grep ..." to use the count script.
2007-08-15 13:36:28 +00:00
unaligned-memcpy.c
Test to make sure that if we have an unaligned memcpy, it will still compile.
2007-10-26 23:43:35 +00:00