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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [InstCombine] commonShiftTransforms - ASSERT: isa<X>(Val) && "cast<Ty>() argument of incompatible type!""
href="https://bugs.llvm.org/show_bug.cgi?id=42484">42484</a>
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<th>Summary</th>
<td>[InstCombine] commonShiftTransforms - ASSERT: isa<X>(Val) && "cast<Ty>() argument of incompatible type!"
</td>
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<tr>
<th>Product</th>
<td>libraries
</td>
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<tr>
<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Scalar Optimizations
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>llvm-dev@redking.me.uk
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</tr>
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<th>CC</th>
<td>lebedev.ri@gmail.com, llvm-bugs@lists.llvm.org, spatel+llvm@rotateright.com
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<p>
<div>
<pre>Reduced from <a href="https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15587">https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15587</a>
Roman - could this be due to rL364791 ?
; ModuleID = 'bugpoint-reduced-simplified.bc'
source_filename =
"llvm/test/Transforms/InstCombine/2003-05-27-ConstExprCrash.ll"
target triple = "x86_64-unknown-linux-gnu"
@X = external global i32
define i64 @test() {
%A = alloca i64
%L = load i64, i64* %A
%V = add i64 ptrtoint (i32* @X to i64), 0
%B2 = shl i64 %V, 0
%B4 = ashr i64 %B2, %L
%B = and i64 undef, %B4
ret i64 %B
}</pre>
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