diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/CodeGen/BackendUtil.cpp | 9 | ||||
| -rw-r--r-- | clang/test/CodeGen/loop-vectorize.c | 25 |
2 files changed, 33 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index 32eb776a6d2..1dbeec1c178 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -1050,7 +1050,14 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager( 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) { diff --git a/clang/test/CodeGen/loop-vectorize.c b/clang/test/CodeGen/loop-vectorize.c new file mode 100644 index 00000000000..28bd50bbd2e --- /dev/null +++ b/clang/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]); +} |
