diff options
Diffstat (limited to 'test/CodeGen/X86')
| -rw-r--r-- | test/CodeGen/X86/avoid-loop-align-2.ll | 6 | ||||
| -rw-r--r-- | test/CodeGen/X86/avoid-loop-align.ll | 9 |
2 files changed, 13 insertions, 2 deletions
diff --git a/test/CodeGen/X86/avoid-loop-align-2.ll b/test/CodeGen/X86/avoid-loop-align-2.ll index 03e69e7..fc9d1f0 100644 --- a/test/CodeGen/X86/avoid-loop-align-2.ll +++ b/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] diff --git a/test/CodeGen/X86/avoid-loop-align.ll b/test/CodeGen/X86/avoid-loop-align.ll index 3e68f94..d4c5c67 100644 --- a/test/CodeGen/X86/avoid-loop-align.ll +++ b/test/CodeGen/X86/avoid-loop-align.ll @@ -1,4 +1,11 @@ -; RUN: llc < %s -mtriple=i386-apple-darwin | grep align | count 1 +; RUN: llc < %s -mtriple=i386-apple-darwin | FileCheck %s + +; CodeGen should align the top of the loop, which differs from the loop +; header in this case. + +; CHECK: jmp LBB1_2 +; CHECK: .align +; CHECK: LBB1_1: @A = common global [100 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=1] |