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| author | Andrew Trick <atrick@apple.com> | 2011-09-29 01:33:38 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2011-09-29 01:33:38 +0000 |
| commit | bc6de90a5f6091f3a380a33f380b1923b11740a7 (patch) | |
| tree | 530f6d51353a2ef93072e6467c4451d4c4111af1 /llvm/test/CodeGen/X86/change-compare-stride-1.ll | |
| parent | 37470d5bde4ddf5c5b94ebed1f5fb109a47295d1 (diff) | |
| download | bcm5719-llvm-bc6de90a5f6091f3a380a33f380b1923b11740a7.tar.gz bcm5719-llvm-bc6de90a5f6091f3a380a33f380b1923b11740a7.zip | |
LSR: rewrite inner loops only.
Rewriting the entire loop nest now requires -enable-lsr-nested.
See PR11035 for some performance data.
A few unit tests specifically test nested LSR, and are now under a flag.
llvm-svn: 140762
Diffstat (limited to 'llvm/test/CodeGen/X86/change-compare-stride-1.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/change-compare-stride-1.ll | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/X86/change-compare-stride-1.ll b/llvm/test/CodeGen/X86/change-compare-stride-1.ll index eee3b79acfa..8b53ae2817c 100644 --- a/llvm/test/CodeGen/X86/change-compare-stride-1.ll +++ b/llvm/test/CodeGen/X86/change-compare-stride-1.ll @@ -1,4 +1,7 @@ -; RUN: llc < %s -march=x86-64 | FileCheck %s +; RUN: llc < %s -march=x86-64 -enable-lsr-nested | FileCheck %s +; +; Nested LSR is required to optimize this case. +; We do not expect to see this form of IR without -enable-iv-rewrite. define void @borf(i8* nocapture %in, i8* nocapture %out) nounwind { ; CHECK: borf: |
