https://llvm.org/bugs/show_bug.cgi?id=28774
Bug ID: 28774
Summary: MIR parsing of BranchProbability is broken
Product: tools
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: llc
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
The branch probability is printed as e.g. "successors:
%bb.2.for.body(0x7c000000 / 0x80000000 = 96.88%)" by BranchProbability.cpp:31:
OS << format("0x%08" PRIx32 " / 0x%08" PRIx32 " = %.2f%%", N, D, Percent);
But this is parsed by MIParser.cpp:463 as:
if (consumeIfPresent(MIToken::lparen)) {
if (Token.isNot(MIToken::IntegerLiteral))
return error("expected an integer literal after '('");
if (getUnsigned(Weight))
return true;
lex();
if (expectAndConsume(MIToken::rparen))
return true;
}
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