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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 - Incorrect relocation for no PLT PIC code without optimization"
href="https://bugs.llvm.org/show_bug.cgi?id=35653">35653</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Incorrect relocation for no PLT PIC code without optimization
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</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>Backend: X86
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>compnerd@compnerd.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>$ bin/clang -target x86_64-unknown-linux-gnu -fomit-frame-pointer
-mstack-alignment=8 -fno-plt -fPIC -x c -S - -o - <<< '
void f(void);
void g(void) { return f(); }
'
.text
.file "-"
.globl g # -- Begin function g
.p2align 4, 0x90
.type g,@function
g: # @g
.cfi_startproc
# %bb.0: # %entry
callq f
retq
.Lfunc_end0:
.size g, .Lfunc_end0-g
.cfi_endproc
# -- End function
.ident "clang version 6.0.0 (<a href="http://llvm.org/git/clang.git">http://llvm.org/git/clang.git</a>
efe67fdaf10325b04b6a6af538bed43eea8103a1) (<a href="http://llvm.org/git/llvm.git">http://llvm.org/git/llvm.git</a>
bcf3bed73b8653dcce398f7d64dbb4e78a0746f2)"
.section ".note.GNU-stack","",@progbits
$ bin/clang -target x86_64-unknown-linux-gnu -fomit-frame-pointer
-mstack-alignment=8 -O1 -fno-plt -fPIC -x c -S - -o - <<< '
void f(void);
void g(void) { return f(); }
'
.text
.file "-"
.globl g # -- Begin function g
.p2align 4, 0x90
.type g,@function
g: # @g
.cfi_startproc
# %bb.0: # %entry
jmpq *f@GOTPCREL(%rip) # TAILCALL
.Lfunc_end0:
.size g, .Lfunc_end0-g
.cfi_endproc
# -- End function
.ident "clang version 6.0.0 (<a href="http://llvm.org/git/clang.git">http://llvm.org/git/clang.git</a>
efe67fdaf10325b04b6a6af538bed43eea8103a1) (<a href="http://llvm.org/git/llvm.git">http://llvm.org/git/llvm.git</a>
bcf3bed73b8653dcce398f7d64dbb4e78a0746f2)"
.section ".note.GNU-stack","",@progbits
Note that we generate `callq f` rather than `callq *f@GOTPCREL(%rip)`.</pre>
</div>
</p>
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