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getelementptr (i8* inttoptr (i64 1 to i8*), i32 -1) to inttoptr (i64 0 to i8*) from the VMCore constant folder. It didn't handle sign-extension properly in the case where the source integer is smaller than a pointer size. And, it relied on an assumption about sizeof(i8). The Analysis constant folder still folds these kinds of things; it has access to TargetData, so it can do them right. Add a testcase which tests that the VMCore constant folder doesn't miscompile this, and that the Analysis folder does fold it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94750 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
2002-01-31-CallGraph.ll | ||
2002-02-24-InlineBrokePHINodes.ll | ||
2002-03-11-ConstPropCrash.ll | ||
2003-02-19-LoopInfoNestingBug.ll | ||
2004-08-16-PackedConstantInlineStore.ll | ||
2004-08-16-PackedGlobalConstant.ll | ||
2004-08-16-PackedSelect.ll | ||
2004-08-16-PackedSimple.ll | ||
2004-08-20-PackedControlFlow.ll | ||
2006-02-05-PassManager.ll | ||
2007-04-24-eliminate-mostly-empty-blocks.ll | ||
2007-06-05-PassID.ll | ||
2007-06-28-PassManager.ll | ||
2007-09-10-PassManager.ll | ||
2008-02-14-PassManager.ll | ||
2008-03-19-PassManager.ll | ||
2008-06-04-FieldSizeInPacked.ll | ||
2008-08-14-PassManager.ll | ||
2008-10-06-RemoveDeadPass.ll | ||
2008-10-15-MissingSpace.ll | ||
2009-03-31-CallGraph.ll | ||
2009-06-05-no-implicit-float.ll | ||
2009-09-14-function-elements.ll | ||
constant-fold-gep.ll | ||
dg.exp | ||
invalid-commandline-option.ll |