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| author | Nirav Dave <niravd@google.com> | 2017-04-18 15:36:34 +0000 |
|---|---|---|
| committer | Nirav Dave <niravd@google.com> | 2017-04-18 15:36:34 +0000 |
| commit | 855ef456026078574fa2cbeec728fa6acb79cc55 (patch) | |
| tree | 01a9bc308a51966caf0bd81fe80771ef68c83b65 /llvm/test/CodeGen/X86 | |
| parent | 47fd10c3b530c8b7ef262335279486aecf83cb6c (diff) | |
| download | bcm5719-llvm-855ef456026078574fa2cbeec728fa6acb79cc55.tar.gz bcm5719-llvm-855ef456026078574fa2cbeec728fa6acb79cc55.zip | |
[DAG] Improve store merge candidate pruning.
Remove non-consecutive stores from store merge candidate search as
they cannot be merged and will prevent us from finding subsequent
mergeable store cases.
Reviewers: jyknight, bogner, javed.absar, spatel
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D32086
llvm-svn: 300561
Diffstat (limited to 'llvm/test/CodeGen/X86')
| -rw-r--r-- | llvm/test/CodeGen/X86/MergeConsecutiveStores.ll | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/llvm/test/CodeGen/X86/MergeConsecutiveStores.ll b/llvm/test/CodeGen/X86/MergeConsecutiveStores.ll index 906ca2fef68..f89f6e1de1a 100644 --- a/llvm/test/CodeGen/X86/MergeConsecutiveStores.ll +++ b/llvm/test/CodeGen/X86/MergeConsecutiveStores.ll @@ -596,14 +596,8 @@ define void @almost_consecutive_stores(i8* %p) { store i8 3, i8* %p3 ret void ; CHECK-LABEL: almost_consecutive_stores -; CHECK-DAG: movb $0, (%rdi) -; CHECK-DAG: movb $1, 42(%rdi) -; CHECK-DAG: movb $2, 2(%rdi) -; CHECK-DAG: movb $3, 3(%rdi) +; CHECK-DAG: movb $0, (%rdi) +; CHECK-DAG: movb $1, 42(%rdi) +; CHECK-DAG: movw $770, 2(%rdi) ; CHECK: retq - -; We should able to merge the final two stores into a 16-bit store -; FIXMECHECK-DAG: movw $770, 2(%rdi) - - } |
