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| author | Matthew Simpson <mssimpso@codeaurora.org> | 2017-05-24 16:48:39 +0000 |
|---|---|---|
| committer | Matthew Simpson <mssimpso@codeaurora.org> | 2017-05-24 16:48:39 +0000 |
| commit | 6349380fa412d6082ce4ec017080267643b2188f (patch) | |
| tree | b698d275ca6e760a2a31edece5d6e77e94278dfc | |
| parent | fd0c844fbb86f964ac7d0054557683217518cf9a (diff) | |
| download | bcm5719-llvm-6349380fa412d6082ce4ec017080267643b2188f.tar.gz bcm5719-llvm-6349380fa412d6082ce4ec017080267643b2188f.zip | |
Revert r291254: [AArch64] Reduce vector insert/extract cost for Falkor
The default vector insert/extract cost is more profitable on Falkor than the
reduced cost.
llvm-svn: 303771
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64Subtarget.cpp | 1 | ||||
| -rw-r--r-- | llvm/test/Analysis/CostModel/AArch64/falkor.ll | 26 |
2 files changed, 0 insertions, 27 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64Subtarget.cpp b/llvm/lib/Target/AArch64/AArch64Subtarget.cpp index b369ee7e4ba..d3cab1ad339 100644 --- a/llvm/lib/Target/AArch64/AArch64Subtarget.cpp +++ b/llvm/lib/Target/AArch64/AArch64Subtarget.cpp @@ -90,7 +90,6 @@ void AArch64Subtarget::initializeProperties() { break; case Falkor: MaxInterleaveFactor = 4; - VectorInsertExtractBaseCost = 2; // FIXME: remove this to enable 64-bit SLP if performance looks good. MinVectorRegisterBitWidth = 128; break; diff --git a/llvm/test/Analysis/CostModel/AArch64/falkor.ll b/llvm/test/Analysis/CostModel/AArch64/falkor.ll deleted file mode 100644 index e9563191f07..00000000000 --- a/llvm/test/Analysis/CostModel/AArch64/falkor.ll +++ /dev/null @@ -1,26 +0,0 @@ -; RUN: opt < %s -cost-model -analyze -mcpu=falkor | FileCheck %s - -target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" -target triple = "aarch64--linux-gnu" - -; CHECK-LABEL: vectorInstrCost -define void @vectorInstrCost() { - - ; Vector extracts - extracting the first element should have a zero cost; - ; all other elements should have a cost of two. - ; - ; CHECK: cost of 0 {{.*}} extractelement <2 x i64> undef, i32 0 - ; CHECK: cost of 2 {{.*}} extractelement <2 x i64> undef, i32 1 - %t1 = extractelement <2 x i64> undef, i32 0 - %t2 = extractelement <2 x i64> undef, i32 1 - - ; Vector inserts - inserting the first element should have a zero cost; all - ; other elements should have a cost of two. - ; - ; CHECK: cost of 0 {{.*}} insertelement <2 x i64> undef, i64 undef, i32 0 - ; CHECK: cost of 2 {{.*}} insertelement <2 x i64> undef, i64 undef, i32 1 - %t3 = insertelement <2 x i64> undef, i64 undef, i32 0 - %t4 = insertelement <2 x i64> undef, i64 undef, i32 1 - - ret void -} |
