From fd51e95171bd945f722dacc2b85a7866ad617242 Mon Sep 17 00:00:00 2001 From: Eli Friedman Date: Wed, 16 Feb 2011 07:18:18 +0000 Subject: [PATCH] Remove outdated README entry. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125659 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/README.txt | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/lib/Target/README.txt b/lib/Target/README.txt index 12a71778a92..73629268751 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: