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<p class="MsoNormal"><span style="color:black">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">With the following reduced test case, cmd “opt -always-inline t.ll” crashes after inlining. Notice that byval argument %a will be remapped to %1 below, and consequently produces an illegal store.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">%1 = alloca i32, align 4<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">store i32 * %1, i32 addrspace(1)** %a.addr, align 8<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">Looks like Inliner assumes that byval arguments are from address space 0. Or this is just a bug in inliner?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Wei<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">t.ll:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">define i32 @foo(i32 addrspace(1)* %x) {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">entry:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> %y = call i32 @bar(i32 addrspace(1)* %x)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> ret i32 %y<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">define internal i32 @bar(i32 addrspace(1)* byval %a) alwaysinline {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> %a.addr = alloca i32 addrspace(1)*, align 8<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> store i32 addrspace(1)* %a, i32 addrspace(1)** %a.addr, align 8<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> %a1 = load i32 addrspace(1)* , i32 addrspace(1)** %a.addr, align 8<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> %b = load i32, i32 addrspace(1)* %a1, align 4<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> ret i32 %b<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">}<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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