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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Issue in opt --place-safepoints flag"
href="https://bugs.llvm.org/show_bug.cgi?id=51019">51019</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Issue in opt --place-safepoints flag
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>11.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Scalar Optimizations
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>kavindu175@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>LLVM IR :
; ModuleID = 'test.c'
source_filename = "test.c"
target datalayout =
"e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"
; Function Attrs: noinline nounwind optnone uwtable
define dso_local i32 @foo() #0 {
%1 = alloca i32, align 4
%2 = load i32, i32* %1, align 4
ret i32 %2
}
; Function Attrs: noinline nounwind optnone uwtable
define dso_local i32 @main() #0 gc "statepoint-example" {
%1 = alloca i32*, align 8
%2 = call noalias i8 addrspace(1)* @malloc(i64 5) #2
%3 = bitcast i8 addrspace(1)* %2 to i32 addrspace(1)*
%_4 = call i32 @foo()
%_3_cast = addrspacecast i32 addrspace(1)* %3 to i32*
store i32* %_3_cast, i32** %1, align 8
ret i32 0
}
; Function Attrs: nounwind
declare dso_local noalias i8 addrspace(1)* @malloc(i64) #1
I am getting the following error for the above LLVM IR. Commands are shown
below.
command : opt-11 --place-safepoints test.ll -S
error :
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.
Stack dump:
0. Program arguments: opt-11 --place-safepoints test.ll -S
1. Running pass 'Function Pass Manager' on module 'test.ll'.
2. Running pass 'Place Safepoints' on function '@main'
/lib/x86_64-linux-gnu/libLLVM-11.so.1(_ZN4llvm3sys15PrintStackTraceERNS_11raw_ostreamE+0x1f)[0x7f5d75a5842f]
/lib/x86_64-linux-gnu/libLLVM-11.so.1(_ZN4llvm3sys17RunSignalHandlersEv+0x50)[0x7f5d75a56790]
/lib/x86_64-linux-gnu/libLLVM-11.so.1(+0xaa6905)[0x7f5d75a58905]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0)[0x7f5d74fa43c0]
/lib/x86_64-linux-gnu/libLLVM-11.so.1(_ZN4llvm8CallInstC1EPNS_12FunctionTypeEPNS_5ValueERKNS_5TwineEPNS_11InstructionE+0x18)[0x7f5d75b4a628]
/lib/x86_64-linux-gnu/libLLVM-11.so.1(+0x169ece8)[0x7f5d76650ce8]
/lib/x86_64-linux-gnu/libLLVM-11.so.1(_ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE+0x3b9)[0x7f5d75b67579]
/lib/x86_64-linux-gnu/libLLVM-11.so.1(_ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE+0x33)[0x7f5d75b6cb23]
/lib/x86_64-linux-gnu/libLLVM-11.so.1(_ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE+0x3e0)[0x7f5d75b67b90]
opt-11(main+0x26ff)[0x42d94f]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0x7f5d74a780b3]
opt-11(_start+0x2e)[0x41bcde]
Segmentation fault (core dumped)</pre>
</div>
</p>
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