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Have ConstantExprs upgrade opcodes the same way as instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31841 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2006-11-18 04:37:19 +00:00
parent b1eb987ccd
commit 967413fa20
1 changed files with 11 additions and 1 deletions
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12
lib/Bytecode/Reader/Reader.cpp
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@@ -1506,9 +1506,19 @@ inline unsigned BytecodeReader::upgradeCEOpcodes(
Opcode = 10; // Div Opcode = 10; // Div
else if (Opcode >=13 && Opcode <= 15) // URem through FRem else if (Opcode >=13 && Opcode <= 15) // URem through FRem
Opcode = 11; // Rem Opcode = 11; // Rem
else if (Opcode > 15) // Everything above FRem else if (Opcode >= 16 && Opcode <= 35) // And through Shr
// Adjust for new instruction codes // Adjust for new instruction codes
Opcode -= 4; Opcode -= 4;
else if (Opcode >= 36 && Opcode <= 42) // Everything after Select
// In vers 6 bytecode we eliminated the placeholders for the obsolete
// VAARG and VANEXT instructions. Consequently those two slots were
// filled starting with Select (36) which was 34. So now we only need
// to subtract two. This circumvents hitting opcodes 32 and 33
Opcode -= 2;
else { // Opcode < 10 or > 42
// No upgrade necessary.
return 0;
}
} }
switch (Opcode) { switch (Opcode) {