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| author | Pirama Arumuga Nainar <pirama@google.com> | 2015-04-10 22:08:18 +0000 |
|---|---|---|
| committer | Android Git Automerger <android-git-automerger@android.com> | 2015-04-10 22:08:18 +0000 |
| commit | 13a7db5b9c4f5e543d037be68ec3428216bfd550 (patch) | |
| tree | 1b2c9792582e12f5af0b1512e3094425f0dc0df9 /test/Transforms/StraightLineStrengthReduce/X86/no-slsr.ll | |
| parent | 0eb46f5d1e06a4284663d636a74b06adc3a161d7 (diff) | |
| parent | 31195f0bdca6ee2a5e72d07edf13e1d81206d949 (diff) | |
| download | external_llvm-13a7db5b9c4f5e543d037be68ec3428216bfd550.zip external_llvm-13a7db5b9c4f5e543d037be68ec3428216bfd550.tar.gz external_llvm-13a7db5b9c4f5e543d037be68ec3428216bfd550.tar.bz2 | |
am 31195f0b: Merge "Update aosp/master llvm for rebase to r233350"
* commit '31195f0bdca6ee2a5e72d07edf13e1d81206d949':
Update aosp/master llvm for rebase to r233350
Diffstat (limited to 'test/Transforms/StraightLineStrengthReduce/X86/no-slsr.ll')
| -rw-r--r-- | test/Transforms/StraightLineStrengthReduce/X86/no-slsr.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/Transforms/StraightLineStrengthReduce/X86/no-slsr.ll b/test/Transforms/StraightLineStrengthReduce/X86/no-slsr.ll new file mode 100644 index 0000000..94c47c7 --- /dev/null +++ b/test/Transforms/StraightLineStrengthReduce/X86/no-slsr.ll @@ -0,0 +1,30 @@ +; RUN: opt < %s -slsr -gvn -dce -S | FileCheck %s + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +; Do not perform SLSR on &input[s] and &input[s * 2] which fit into addressing +; modes of X86. +define i32 @slsr_gep(i32* %input, i64 %s) { +; CHECK-LABEL: @slsr_gep( + ; v0 = input[0]; + %p0 = getelementptr inbounds i32, i32* %input, i64 0 + %v0 = load i32, i32* %p0 + + ; v1 = input[s]; + %p1 = getelementptr inbounds i32, i32* %input, i64 %s +; CHECK: %p1 = getelementptr inbounds i32, i32* %input, i64 %s + %v1 = load i32, i32* %p1 + + ; v2 = input[s * 2]; + %s2 = mul nsw i64 %s, 2 + %p2 = getelementptr inbounds i32, i32* %input, i64 %s2 +; CHECK: %p2 = getelementptr inbounds i32, i32* %input, i64 %s2 + %v2 = load i32, i32* %p2 + + ; return v0 + v1 + v2; + %1 = add i32 %v0, %v1 + %2 = add i32 %1, %v2 + ret i32 %2 +} + |