instcombine crash on i128 #3607
Description
| Bugzilla Link | 3235 |
| Resolution | FIXED |
| Resolved on | Jan 05, 2009 17:46 |
| Version | unspecified |
| OS | Linux |
| Reporter | LLVM Bugzilla Contributor |
| CC | @asl,@lattner,@efriedma-quic,@nlewycky |
Extended Description
$ opt -instcombine -disable-output x.bc
opt: llvm/include/llvm/ADT/APInt.h:1051: int64_t llvm::APInt::getSExtValue() const: Assertion `getMinSignedBits() <= 64 && "Too many bits for int64_t"' failed.
This fires when building Fortran on x86-64 linux, and was introduced by:
r59403 | lattner | 2008-11-16 06:38:51 +0100 (Sun, 16 Nov 2008) | 2 lines
simplify a bunch more instcombines to use m_Specific etc.
Testcase:
define i128 @m(i1 %f) nounwind {
entry:
%tmp = select i1 %f, i128 18446744073709551615, i128 9223372036854775807 ; [#uses=1]
ret i128 %tmp
}