http://llvm.org/bugs/show_bug.cgi?id=3235
Summary: instcombine crash on i128
Product: new-bugs
Version: unspecified
Platform: Other
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
$ 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 ; <i128> [#uses=1]
ret i128 %tmp
}
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