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C backend assertion: (castIsValid(getOpcode(), S, Ty) && "Illegal Trunc") #1553

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llvmbot opened this issue Feb 5, 2007 · 3 comments
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C backend assertion: (castIsValid(getOpcode(), S, Ty) && "Illegal Trunc") #1553

llvmbot opened this issue Feb 5, 2007 · 3 comments
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@lattner
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bugzilla Issues migrated from bugzilla compile-fail Use [accepts-invalid] and [rejects-valid] instead

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@llvmbot
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llvmbot commented Feb 5, 2007

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
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llvmbot commented Feb 5, 2007

assigned to @lattner

@lattner
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lattner commented Feb 6, 2007

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
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asl commented Feb 6, 2007

Does this fix ldecod?

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 3, 2021
troelsbjerre pushed a commit to troelsbjerre/llvm-project that referenced this issue Jan 10, 2024
@hyp
Merge pull request llvm#1553 from hyp/bastille
803c4a9 
🇫🇷 Bastille branch 🇫🇷 [darwin] build and link with a separate compiler-rt builtins library for device simulators
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