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authorChris Lattner <sabre@nondot.org>2009-11-27 00:35:04 +0000
committerChris Lattner <sabre@nondot.org>2009-11-27 00:35:04 +0000
commitcc6d29286c92cb850fbd208309dc3f9db336a880 (patch)
tree889ba5a03c159fd70508e88f3a5745111bf24d46
parent5030c6ab21fe0f8af3868865a2396c01c213904e (diff)
downloadbcm5719-llvm-cc6d29286c92cb850fbd208309dc3f9db336a880.tar.gz
bcm5719-llvm-cc6d29286c92cb850fbd208309dc3f9db336a880.zip
this (and probably several others) are now done.
llvm-svn: 89982
-rw-r--r--llvm/lib/Target/README.txt33
1 files changed, 0 insertions, 33 deletions
diff --git a/llvm/lib/Target/README.txt b/llvm/lib/Target/README.txt
index 6bac630f503..e7a55a07cb5 100644
--- a/llvm/lib/Target/README.txt
+++ b/llvm/lib/Target/README.txt
@@ -1196,39 +1196,6 @@ bb3: ; preds = %bb1, %bb2, %bb
GCC PR33344 is a similar case.
-//===---------------------------------------------------------------------===//
-
-[PHI TRANSLATE INDEXED GEPs] PR5313
-
-Load redundancy elimination for simple loop. This loop:
-
-void append_text(const char* text,unsigned char * const io) {
- while(*text)
- *io=*text++;
-}
-
-Compiles to have a fully redundant load in the loop (%2):
-
-define void @append_text(i8* nocapture %text, i8* nocapture %io) nounwind {
-entry:
- %0 = load i8* %text, align 1 ; <i8> [#uses=1]
- %1 = icmp eq i8 %0, 0 ; <i1> [#uses=1]
- br i1 %1, label %return, label %bb
-
-bb: ; preds = %bb, %entry
- %indvar = phi i32 [ 0, %entry ], [ %tmp, %bb ] ; <i32> [#uses=2]
- %text_addr.04 = getelementptr i8* %text, i32 %indvar ; <i8*> [#uses=1]
- %2 = load i8* %text_addr.04, align 1 ; <i8> [#uses=1]
- store i8 %2, i8* %io, align 1
- %tmp = add i32 %indvar, 1 ; <i32> [#uses=2]
- %scevgep = getelementptr i8* %text, i32 %tmp ; <i8*> [#uses=1]
- %3 = load i8* %scevgep, align 1 ; <i8> [#uses=1]
- %4 = icmp eq i8 %3, 0 ; <i1> [#uses=1]
- br i1 %4, label %return, label %bb
-
-return: ; preds = %bb, %entry
- ret void
-}
//===---------------------------------------------------------------------===//
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