diff options
| -rw-r--r-- | include/llvm/Transforms/Vectorize.h | 3 | ||||
| -rw-r--r-- | lib/Transforms/Vectorize/BBVectorize.cpp | 8 | ||||
| -rw-r--r-- | test/Transforms/BBVectorize/simple-sel.ll | 26 |
3 files changed, 37 insertions, 0 deletions
diff --git a/include/llvm/Transforms/Vectorize.h b/include/llvm/Transforms/Vectorize.h index 652916c26c..d73db66377 100644 --- a/include/llvm/Transforms/Vectorize.h +++ b/include/llvm/Transforms/Vectorize.h @@ -49,6 +49,9 @@ struct VectorizeConfig { /// @brief Vectorize select instructions. bool VectorizeSelect; + /// @brief Vectorize comparison instructions. + bool VectorizeCmp; + /// @brief Vectorize getelementptr instructions. bool VectorizeGEP; diff --git a/lib/Transforms/Vectorize/BBVectorize.cpp b/lib/Transforms/Vectorize/BBVectorize.cpp index 8c442bf7a3..55e0da7ac0 100644 --- a/lib/Transforms/Vectorize/BBVectorize.cpp +++ b/lib/Transforms/Vectorize/BBVectorize.cpp @@ -105,6 +105,10 @@ NoSelect("bb-vectorize-no-select", cl::init(false), cl::Hidden, cl::desc("Don't try to vectorize select instructions")); static cl::opt<bool> +NoCmp("bb-vectorize-no-cmp", cl::init(false), cl::Hidden, + cl::desc("Don't try to vectorize comparison instructions")); + +static cl::opt<bool> NoGEP("bb-vectorize-no-gep", cl::init(false), cl::Hidden, cl::desc("Don't try to vectorize getelementptr instructions")); @@ -570,6 +574,9 @@ namespace { } else if (isa<SelectInst>(I)) { if (!Config.VectorizeSelect) return false; + } else if (isa<CmpInst>(I)) { + if (!Config.VectorizeCmp) + return false; } else if (GetElementPtrInst *G = dyn_cast<GetElementPtrInst>(I)) { if (!Config.VectorizeGEP) return false; @@ -1990,6 +1997,7 @@ VectorizeConfig::VectorizeConfig() { VectorizeMath = !::NoMath; VectorizeFMA = !::NoFMA; VectorizeSelect = !::NoSelect; + VectorizeCmp = !::NoCmp; VectorizeGEP = !::NoGEP; VectorizeMemOps = !::NoMemOps; AlignedOnly = ::AlignedOnly; diff --git a/test/Transforms/BBVectorize/simple-sel.ll b/test/Transforms/BBVectorize/simple-sel.ll index 4daa5714fb..7fb9c8b74c 100644 --- a/test/Transforms/BBVectorize/simple-sel.ll +++ b/test/Transforms/BBVectorize/simple-sel.ll @@ -27,4 +27,30 @@ define double @test1(double %A1, double %A2, double %B1, double %B2, i1 %C1, i1 ; CHECK: ret double %R } +; Basic depth-3 chain with select (and vect. compare) +define double @test2(double %A1, double %A2, double %B1, double %B2) { +; CHECK: @test2 +; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0 +; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0 +; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1 +; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1 + %X1 = fsub double %A1, %B1 + %X2 = fsub double %A2, %B2 +; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2 + %Y1 = fmul double %X1, %A1 + %Y2 = fmul double %X2, %A2 +; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2 + %C1 = fcmp ogt double %X1, %A1 + %C2 = fcmp ogt double %X2, %A2 +; CHECK: %C1 = fcmp ogt <2 x double> %X1, %X1.v.i0.2 + %Z1 = select i1 %C1, double %Y1, double %B1 + %Z2 = select i1 %C2, double %Y2, double %B2 +; CHECK: %Z1 = select <2 x i1> %C1, <2 x double> %Y1, <2 x double> %X1.v.i1.2 + %R = fmul double %Z1, %Z2 +; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0 +; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1 +; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2 + ret double %R +; CHECK: ret double %R +} |