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| author | Evan Cheng <evan.cheng@apple.com> | 2006-05-05 05:40:20 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-05-05 05:40:20 +0000 |
| commit | ddb6cc1d8eb834b764064f2ecf45ba8f9b91ecc9 (patch) | |
| tree | 8e715f5facd9ba6590a2c3d8e8c1a2ea04864704 /llvm/lib/Support/FileUtilities.cpp | |
| parent | 304bbf3b1d541282b449e33f9957a3b6e9811c06 (diff) | |
| download | bcm5719-llvm-ddb6cc1d8eb834b764064f2ecf45ba8f9b91ecc9.tar.gz bcm5719-llvm-ddb6cc1d8eb834b764064f2ecf45ba8f9b91ecc9.zip | |
Better implementation of truncate. ISel matches it to a pseudo instruction
that gets emitted as movl (for r32 to i16, i8) or a movw (for r16 to i8). And
if the destination gets allocated a subregister of the source operand, then
the instruction will not be emitted at all.
llvm-svn: 28119
Diffstat (limited to 'llvm/lib/Support/FileUtilities.cpp')
0 files changed, 0 insertions, 0 deletions
