RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-01-13 07:50:50 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Remove outdated README entry.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125659 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-02-16 07:18:18 +00:00
parent c5cb996e9c
commit fd51e95171
1 changed files with 0 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
lib/Target/README.txt
View File

@ -1840,23 +1840,7 @@ something like the following, which eliminates a branch:
ret
.LBB0_2:
jmp foo # TAILCALL
//===---------------------------------------------------------------------===//
Given a branch where the two target blocks are identical ("ret i32 %b" in
both), simplifycfg will simplify them away. But not so for a switch statement:
define i32 @f(i32 %a, i32 %b) nounwind readnone {
entry:
switch i32 %a, label %bb3 [
i32 4, label %bb
i32 6, label %bb
]
bb: ; preds = %entry, %entry
ret i32 %b
bb3: ; preds = %entry
ret i32 %b
}
//===---------------------------------------------------------------------===//
We compile this: