Reformat comment lines.

[oota-llvm.git] / lib / Target / README.txt

diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index 0fa56e66747d9230281432fca4f8ad42cc9da230..7e9888cc13e80b48466cb5cca8997819eb07cb92 100644 (file)
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -106,7 +106,7 @@ for 1,2,4,8 bytes.
 //===---------------------------------------------------------------------===//
 
 It would be nice to revert this patch:
 //===---------------------------------------------------------------------===//
 
 It would be nice to revert this patch:

-http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20060213/031986.html
+http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20060213/031986.html

 
 And teach the dag combiner enough to simplify the code expanded before 
 legalize.  It seems plausible that this knowledge would let it simplify other
 
 And teach the dag combiner enough to simplify the code expanded before 
 legalize.  It seems plausible that this knowledge would let it simplify other


@@ -1268,7 +1268,8 @@ int foo (void) {
 ..
   else if (strchr ("<>", *intel_parser.op_string)
 
 ..
   else if (strchr ("<>", *intel_parser.op_string)
 

-Those should be turned into a switch.
+Those should be turned into a switch.  SimplifyLibCalls only gets the second
+case.

 
 //===---------------------------------------------------------------------===//
 
 
 //===---------------------------------------------------------------------===//
 


@@ -1843,44 +1844,6 @@ we remove checking in code like
 
 //===---------------------------------------------------------------------===//
 
 
 //===---------------------------------------------------------------------===//
 

-This code (from Benchmarks/Dhrystone/dry.c):
-
-define i32 @Func1(i32, i32) nounwind readnone optsize ssp {
-entry:
-  %sext = shl i32 %0, 24
-  %conv = ashr i32 %sext, 24
-  %sext6 = shl i32 %1, 24
-  %conv4 = ashr i32 %sext6, 24
-  %cmp = icmp eq i32 %conv, %conv4
-  %. = select i1 %cmp, i32 10000, i32 0
-  ret i32 %.
-}
-
-Should be simplified into something like:
-
-define i32 @Func1(i32, i32) nounwind readnone optsize ssp {
-entry:
-  %sext = shl i32 %0, 24
-  %conv = and i32 %sext, 0xFF000000
-  %sext6 = shl i32 %1, 24
-  %conv4 = and i32 %sext6, 0xFF000000
-  %cmp = icmp eq i32 %conv, %conv4
-  %. = select i1 %cmp, i32 10000, i32 0
-  ret i32 %.
-}
-
-and then to:
-
-define i32 @Func1(i32, i32) nounwind readnone optsize ssp {
-entry:
-  %conv = and i32 %0, 0xFF
-  %conv4 = and i32 %1, 0xFF
-  %cmp = icmp eq i32 %conv, %conv4
-  %. = select i1 %cmp, i32 10000, i32 0
-  ret i32 %.
-}
-//===---------------------------------------------------------------------===//
-

 clang -O3 currently compiles this code
 
 int g(unsigned int a) {
 clang -O3 currently compiles this code
 
 int g(unsigned int a) {