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<div class="moz-cite-prefix">On 8/3/2017 3:19 PM, Ning XIE via
llvm-dev wrote:<br>
</div>
<blockquote type="cite"
cite="mid:BLUPR10MB0450B952B6C2C370F5673840DBB10@BLUPR10MB0450.namprd10.prod.outlook.com">
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<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
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EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">Hi,</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
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<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"><br>
</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
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<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">I met an issue caused by Simplify the CFG.
We have the following instructions:</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#1F497D"><span lang="en-US"> </span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US">sw.bb:
; preds = %if.then63</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> %bf.load65 = load
i192, i192* %13, align 4</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> %bf.lshr66 = lshr
i192 %bf.load65, 80</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> </span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US">sw.bb70:
; preds = %if.then63</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> %bf.load73 = load
i192, i192* %15, align 4</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> %bf.lshr74 = lshr
i192 %bf.load73, 96</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> </span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US">sw.bb78:
; preds = %if.then63</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> %bf.load81 = load
i192, i192* %17, align 4</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> %bf.lshr82 = lshr
i192 %bf.load81, 112</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> </span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US">sw.bb86:
; preds = %if.then63</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> %bf.load89 = load
i192, i192* %19, align 4</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> %bf.lshr90 = lshr
i192 %bf.load89, 128</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> </span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US">sw.bb94:
; preds = %if.then63</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> %bf.load97 = load
i192, i192* %21, align 4</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#ED7D31"><span lang="en-US"> %bf.lshr98 = lshr
i192 %bf.load97, 144</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">Each pair of them is from different blocks
and will be sunk into an end block. Also, a PHI node
%.sink is created for the constant operand of lshr as</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#1F497D"><span lang="en-US"> </span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#00B050"><span lang="en-US">sw.epilog.sink.split:
; preds = %if.then63, %sw.bb, %sw.bb78, %sw.bb86,
%sw.bb94</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#00B050"><span lang="en-US"> %.sink = phi i192 [
144, %sw.bb94 ], [ 128, %sw.bb86 ], [ 112, %sw.bb78 ],
[ 80, %sw.bb ], [ 96, %if.then63 ]</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#00B050"><span lang="en-US"> %bf.load97 = load
i192, i192* %13, align 4</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="#00B050"><span lang="en-US"> %bf.lshr98 = lshr
i192 %bf.load97, %.sink</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="red"><span lang="en-US">Before lshr nodes are
sunk, our lowering backend can understand which 32
bits of i192 are need and load that 32 bits only.</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="red"><span lang="en-US">But after this CFG pass,
%.sink is unknown, then there will be i192 load (8
32-bit loads).</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">I have some ideas how to handle it, but
still I would like some feedback about what’s best way
to do.</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">(The LLVM IR before and after CFG are shown
below)</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">Thank you.</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">Best regards,</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">Ning Xie</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"><br>
</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">*** Before simplify CFG is applied, we have
the following LLVM IR ***</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">if.then63:
; preds = %if.end</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %trunc = trunc i8 %11 to i3</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> switch i3 %trunc, label %sw.epilog [</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> i3 0, label %sw.bb</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> i3 1, label %sw.bb70</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> i3 2, label %sw.bb78</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> i3 3, label %sw.bb86</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> i3 -4, label %sw.bb94</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> ]</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">sw.bb:
; preds = %if.then63</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %13 = getelementptr inbounds
%struct.C0000294C, %struct.C0000294C* %C0000159C, i32 0,
i32 5, i32 3, i32 %conv50, i32 0</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.load65 = load i192, i192* %13, align
4</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span><font color="red"><span
lang="en-US">%bf.lshr66 = lshr i192 %bf.load65, 80</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %14 = trunc i192 %bf.lshr66 to i32</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.cast68 = and i32 %14, 4095</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> br label %sw.epilog</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">sw.bb70:
; preds = %if.then63</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %15 = getelementptr inbounds
%struct.C0000294C, %struct.C0000294C* %C0000159C, i32 0,
i32 5, i32 3, i32 %conv50, i32 0</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.load73 = load i192, i192* %15, align
4</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span><font color="red"><span
lang="en-US">%bf.lshr74 = lshr i192 %bf.load73, 96</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %16 = trunc i192 %bf.lshr74 to i32</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.cast76 = and i32 %16, 4095</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> br label %sw.epilog</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">sw.bb78:
; preds = %if.then63</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %17 = getelementptr inbounds
%struct.C0000294C, %struct.C0000294C* %C0000159C, i32 0,
i32 5, i32 3, i32 %conv50, i32 0</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.load81 = load i192, i192* %17, align
4</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="red"><span lang="en-US"> %bf.lshr82 = lshr i192
%bf.load81, 112</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %18 = trunc i192 %bf.lshr82 to i32</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.cast84 = and i32 %18, 4095</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> br label %sw.epilog</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">sw.bb86:
; preds = %if.then63</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %19 = getelementptr inbounds
%struct.C0000294C, %struct.C0000294C* %C0000159C, i32 0,
i32 5, i32 3, i32 %conv50, i32 0</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.load89 = load i192, i192* %19, align
4</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="red"><span lang="en-US"> %bf.lshr90 = lshr i192
%bf.load89, 128</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %20 = trunc i192 %bf.lshr90 to i32</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.cast92 = and i32 %20, 4095</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">sw.bb94:
; preds = %if.then63</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %21 = getelementptr inbounds
%struct.C0000294C, %struct.C0000294C* %C0000159C, i32 0,
i32 5, i32 3, i32 %conv50, i32 0</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.load97 = load i192, i192* %21, align
4</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="red"><span lang="en-US"> %bf.lshr98 = lshr i192
%bf.load97, 144</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %22 = trunc i192 %bf.lshr98 to i32</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.cast100 = and i32 %22, 4095</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> br label %sw.epilog</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">*** IR Dump After Simplify the CFG ***</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">if.then63:
; preds = %if.end</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %trunc = trunc i8 %11 to i3</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> switch i3 %trunc, label %sw.epilog [</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> i3 0, label %sw.bb</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> i3 1, label %sw.epilog.sink.split</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> i3 2, label %sw.bb78</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> i3 3, label %sw.bb86</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> i3 -4, label %sw.bb94</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> ]</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">sw.bb:
; preds = %if.then63</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> br label %sw.epilog.sink.split</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">sw.bb78:
; preds = %if.then63</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> br label %sw.epilog.sink.split</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">sw.bb86:
; preds = %if.then63</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> br label %sw.epilog.sink.split</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">sw.bb94:
; preds = %if.then63</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> br label %sw.epilog.sink.split</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> </span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US">sw.epilog.sink.split:
; preds = %if.then63, %sw.bb, %sw.bb78, %sw.bb86,
%sw.bb94</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="red"><span lang="en-US"> %.sink = phi i192 [
144, %sw.bb94 ], [ 128, %sw.bb86 ], [ 112, %sw.bb78 ],
[ 80, %sw.bb ], [ 96, %if.then63 ]</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %13 = getelementptr inbounds
%struct.C0000294C, %struct.C0000294C* %C0000159C, i32 0,
i32 5, i32 3, i32 %conv50, i32 0</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.load97 = load i192, i192* %13, align
4</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><font
color="red"><span lang="en-US"> %bf.lshr98 = lshr i192
%bf.load97, %.sink</span></font></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %14 = trunc i192 %bf.lshr98 to i32</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> %bf.cast100 = and i32 %14, 4095</span></span></font></div>
<div style="font-size: 16px; color: rgb(33, 33, 33);
font-family: wf_segoe-ui_normal, "Segoe UI",
"Segoe WP", Tahoma, Arial, sans-serif, serif,
EmojiFont; margin: 0px;">
<font style="font-family: Calibri, sans-serif, serif,
EmojiFont;" size="2"><span style="font-size: 11pt;"><span
lang="en-US"> br label %sw.epilog</span></span></font></div>
</div>
</blockquote>
<br>
I think we need to improve the cost modeling for sinking code.
Fundamentally, the problem is that "lshr i192 %bf.load97, %.sink" is
a lot more expensive than "lshr i192 %bf.load97, 80", and we don't
really account for that in the code which decides whether to sink
the shift.<br>
<br>
-Eli<br>
<pre class="moz-signature" cols="72">--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project</pre>
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