C backend assertion: (castIsValid(getOpcode(), S, Ty) && "Illegal Trunc")

[llvmbot]

Bugzilla Link	1181
Resolution	FIXED
Resolved on	Feb 22, 2010 12:44
Version	trunk
OS	All
Reporter	LLVM Bugzilla Contributor

Extended Description

llc -march=c triggers this assertion. Test case is:

target datalayout = "e-p:64:64"
target triple = "x86_64-apple-darwin8"

implementation ; Functions:

declare void @​llvm.memset.i64(i8*, i8, i64, i32)

define fastcc void @​InitUser_data_unregistered() {
entry:
tail call void @​llvm.memset.i64( i8* null, i8 0, i64 65496, i32 1 )
ret void
}

[llvmbot]

assigned to @lattner

[lattner]

Fixed, testcase here: CodeGen/CBackend/2007-02-05-memset.ll

Patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070205/044016.html

-Chris

[asl]

Does this fix ldecod?