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Diffstat (limited to 'lib/Target/README.txt')
| -rw-r--r-- | lib/Target/README.txt | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index 12a71778a9..7362926875 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -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: |