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| author | Sanjay Patel <spatel@rotateright.com> | 2019-03-02 16:45:10 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2019-03-02 16:45:10 +0000 |
| commit | 1f65903dc1d9140a1efd256ebc41d30f955b971e (patch) | |
| tree | 611101c019a7cad59672c25a7826fe60dced3f07 /lldb/packages/Python/lldbsuite/test/functionalities/recursion/main.cpp | |
| parent | 42ad8685c69691dcd4029341f77edf1666b2ca3a (diff) | |
| download | bcm5719-llvm-1f65903dc1d9140a1efd256ebc41d30f955b971e.tar.gz bcm5719-llvm-1f65903dc1d9140a1efd256ebc41d30f955b971e.zip | |
[InstCombine] move add after smin/smax
Follow-up to rL355221.
This isn't specifically called for within PR14613,
but we'll get there eventually if it's not already
requested in some other bug report.
https://rise4fun.com/Alive/5b0
Name: smax
Pre: WillNotOverflowSignedSub(C1,C0)
%a = add nsw i8 %x, C0
%cond = icmp sgt i8 %a, C1
%r = select i1 %cond, i8 %a, i8 C1
=>
%c2 = icmp sgt i8 %x, C1-C0
%u2 = select i1 %c2, i8 %x, i8 C1-C0
%r = add nsw i8 %u2, C0
Name: smin
Pre: WillNotOverflowSignedSub(C1,C0)
%a = add nsw i32 %x, C0
%cond = icmp slt i32 %a, C1
%r = select i1 %cond, i32 %a, i32 C1
=>
%c2 = icmp slt i32 %x, C1-C0
%u2 = select i1 %c2, i32 %x, i32 C1-C0
%r = add nsw i32 %u2, C0
llvm-svn: 355272
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/functionalities/recursion/main.cpp')
0 files changed, 0 insertions, 0 deletions
