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Fix big endian build bots 

Another case of reading a value from a struct that has been byte
swapped to write out. This should address the failure on the ppcbe bot.
This commit is contained in:
Chris Bieneman 2022-06-06 19:25:25 -05:00
parent c1d3cfea08
commit eb68cbb405
1 changed files with 4 additions and 3 deletions
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7
llvm/lib/ObjectYAML/DXContainerEmitter.cpp
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@ -144,14 +144,15 @@ void DXContainerWriter::writeParts(raw_ostream &OS) {
Header.Size = P.Program->Size.getValue();
else
Header.Size = sizeof(dxbc::ProgramHeader) + Header.Bitcode.Size;
uint32_t BitcodeOffset = Header.Bitcode.Offset;
if (sys::IsBigEndianHost)
Header.swapBytes();
OS.write(reinterpret_cast<const char *>(&Header),
sizeof(dxbc::ProgramHeader));
if (P.Program->DXIL) {
if (Header.Bitcode.Offset > sizeof(dxbc::BitcodeHeader)) {
uint32_t PadBytes =
Header.Bitcode.Offset - sizeof(dxbc::BitcodeHeader);
if (BitcodeOffset > sizeof(dxbc::BitcodeHeader)) {
uint32_t PadBytes = BitcodeOffset - sizeof(dxbc::BitcodeHeader);
OS.write_zeros(PadBytes);
}
OS.write(reinterpret_cast<char *>(P.Program->DXIL->data()),