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| author | Nicolai Haehnle <nhaehnle@gmail.com> | 2019-07-17 11:22:19 +0000 |
|---|---|---|
| committer | Nicolai Haehnle <nhaehnle@gmail.com> | 2019-07-17 11:22:19 +0000 |
| commit | a256b8b7d77cdc9cf4675dcd784d008cb545b10b (patch) | |
| tree | 8a66334cf858f455e0d9947e00d02b5ca82e5550 /llvm/lib/Target | |
| parent | 52c39396151978ca946e2a80d9118c8672bace14 (diff) | |
| download | bcm5719-llvm-a256b8b7d77cdc9cf4675dcd784d008cb545b10b.tar.gz bcm5719-llvm-a256b8b7d77cdc9cf4675dcd784d008cb545b10b.zip | |
AMDGPU: Improve alias analysis for GDS
Summary: GDS cannot alias anything else.
Original patch by: Marek Olšák
Reviewers: arsenm, mareko
Subscribers: kzhuravl, jvesely, wdng, yaxunl, dstuttard, tpr, t-tye, Petar.Avramovic, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D64114
Change-Id: I07bfbd96f5d5c37a6dfba7997df12f291dd794b0
llvm-svn: 366313
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp b/llvm/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp index de54db3b1b0..bba132c3bc4 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp @@ -56,13 +56,13 @@ void AMDGPUAAWrapperPass::getAnalysisUsage(AnalysisUsage &AU) const { // These arrays are indexed by address space value enum elements 0 ... to 7 static const AliasResult ASAliasRules[8][8] = { /* Flat Global Region Group Constant Private Constant 32-bit Buffer Fat Ptr */ - /* Flat */ {MayAlias, MayAlias, MayAlias, MayAlias, MayAlias, MayAlias, MayAlias, MayAlias}, + /* Flat */ {MayAlias, MayAlias, NoAlias, MayAlias, MayAlias, MayAlias, MayAlias, MayAlias}, /* Global */ {MayAlias, MayAlias, NoAlias , NoAlias , MayAlias, NoAlias , MayAlias, MayAlias}, - /* Region */ {MayAlias, NoAlias , NoAlias , NoAlias , MayAlias, NoAlias , MayAlias, NoAlias}, + /* Region */ {NoAlias, NoAlias , MayAlias, NoAlias , NoAlias, NoAlias , NoAlias, NoAlias}, /* Group */ {MayAlias, NoAlias , NoAlias , MayAlias, NoAlias , NoAlias , NoAlias , NoAlias}, - /* Constant */ {MayAlias, MayAlias, MayAlias, NoAlias , NoAlias , NoAlias , MayAlias, MayAlias}, + /* Constant */ {MayAlias, MayAlias, NoAlias, NoAlias , NoAlias , NoAlias , MayAlias, MayAlias}, /* Private */ {MayAlias, NoAlias , NoAlias , NoAlias , NoAlias , MayAlias, NoAlias , NoAlias}, - /* Constant 32-bit */ {MayAlias, MayAlias, MayAlias, NoAlias , MayAlias, NoAlias , NoAlias , MayAlias}, + /* Constant 32-bit */ {MayAlias, MayAlias, NoAlias, NoAlias , MayAlias, NoAlias , NoAlias , MayAlias}, /* Buffer Fat Ptr */ {MayAlias, MayAlias, NoAlias , NoAlias , MayAlias, NoAlias , MayAlias, MayAlias} }; |
