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| author | Dan Gohman <gohman@apple.com> | 2009-10-15 00:36:22 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-10-15 00:36:22 +0000 |
| commit | c9af381df8b6279c9a7357dd6ea22053e25463d0 (patch) | |
| tree | 80bade8628560d9c29b8169f2a8528ca642aba6f /llvm/test/CodeGen/X86/avoid-loop-align-2.ll | |
| parent | 8070b82d9115ea4db08a650c8a787e99d04f34dc (diff) | |
| download | bcm5719-llvm-c9af381df8b6279c9a7357dd6ea22053e25463d0.tar.gz bcm5719-llvm-c9af381df8b6279c9a7357dd6ea22053e25463d0.zip | |
Make CodePlacementOpt align loops, rather than loop headers. The
header is just the entry block to the loop, and it needn't be at
the top of the loop in the code layout.
Remove the code that suppressed loop alignment for outer loops,
so that outer loops are aligned.
llvm-svn: 84158
Diffstat (limited to 'llvm/test/CodeGen/X86/avoid-loop-align-2.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/avoid-loop-align-2.ll | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/X86/avoid-loop-align-2.ll b/llvm/test/CodeGen/X86/avoid-loop-align-2.ll index 03e69e7a1a4..fc9d1f0428f 100644 --- a/llvm/test/CodeGen/X86/avoid-loop-align-2.ll +++ b/llvm/test/CodeGen/X86/avoid-loop-align-2.ll @@ -1,4 +1,8 @@ -; RUN: llc < %s -march=x86 | grep align | count 3 +; RUN: llc < %s -march=x86 | grep align | count 4 + +; TODO: Is it a good idea to align inner loops? It's hard to know without +; knowing what their trip counts are, or other dynamic information. For +; now, CodeGen aligns all loops. @x = external global i32* ; <i32**> [#uses=1] |
