[PATCH] D61617: [NewPassManager] Add tuning option: SLPVectorization [clang-change]
Alina Sbirlea via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu May 23 11:51:55 PDT 2019
This revision was automatically updated to reflect the committed changes.
Closed by commit rC361534: [NewPassManager] Add tuning option: SLPVectorization [clang-change] (authored by asbirlea, committed by ).
Changed prior to commit:
https://reviews.llvm.org/D61617?vs=198587&id=201033#toc
Repository:
rC Clang
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D61617/new/
https://reviews.llvm.org/D61617
Files:
lib/CodeGen/BackendUtil.cpp
test/CodeGen/loop-vectorize.c
Index: lib/CodeGen/BackendUtil.cpp
===================================================================
--- lib/CodeGen/BackendUtil.cpp
+++ lib/CodeGen/BackendUtil.cpp
@@ -1050,7 +1050,14 @@
CodeGenOpts.DebugInfoForProfiling);
}
- PassBuilder PB(TM.get(), PipelineTuningOptions(), PGOOpt);
+ PipelineTuningOptions PTO;
+ // For historical reasons, loop interleaving is set to mirror setting for loop
+ // unrolling.
+ PTO.LoopInterleaving = CodeGenOpts.UnrollLoops;
+ PTO.LoopVectorization = CodeGenOpts.VectorizeLoop;
+ PTO.SLPVectorization = CodeGenOpts.VectorizeSLP;
+
+ PassBuilder PB(TM.get(), PTO, PGOOpt);
// Attempt to load pass plugins and register their callbacks with PB.
for (auto &PluginFN : CodeGenOpts.PassPlugins) {
Index: test/CodeGen/loop-vectorize.c
===================================================================
--- test/CodeGen/loop-vectorize.c
+++ test/CodeGen/loop-vectorize.c
@@ -0,0 +1,25 @@
+// RUN: %clang -target x86_64 -S -c -O1 -fvectorize -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-VECT
+// RUN: %clang -target x86_64 -S -c -O1 -fno-vectorize -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-VECT
+// RUN: %clang -target x86_64 -fexperimental-new-pass-manager -S -c -O1 -fvectorize -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-VECT
+// RUN: %clang -target x86_64 -fexperimental-new-pass-manager -S -c -O1 -fno-vectorize -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-VECT
+
+// CHECK-ENABLE-VECT-LABEL: @for_test()
+// CHECK-ENABLE-VECT: fmul <{{[0-9]+}} x double>
+
+// CHECK-DISABLE-VECT-LABEL: @for_test()
+// CHECK-DISABLE-VECT: fmul double
+// CHECK-DISABLE-VECT-NOT: fmul <{{[0-9]+}} x double>
+
+#include <stdio.h>
+
+void for_test() {
+ double A[1000], B[1000];
+ int L = 500;
+ for (int i = 0; i < L; i++) {
+ A[i] = i;
+ }
+ for (int i = 0; i < L; i++) {
+ B[i] = A[i]*5;
+ }
+ printf("%lf %lf\n", A[0], B[0]);
+}
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