1 // REQUIRES: x86-registered-target 2 // RUN: %clang_cc1 -o %t.o -O2 -flto=thin -fexperimental-new-pass-manager -triple x86_64-unknown-linux-gnu -emit-llvm-bc %s 3 // RUN: llvm-lto -thinlto -o %t %t.o 4 5 // Test to ensure the slp vectorize codegen option is passed down to the 6 // ThinLTO backend. -vectorize-slp is a cc1 option and will be added 7 // automatically when O2/O3/Os/Oz is available for clang. Also check that 8 // "-mllvm -vectorize-slp=false" will disable slp vectorization, overriding 9 // the cc1 option. 10 // 11 // Check both the new and old PMs. 12 // 13 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O2 -vectorize-slp -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc -fexperimental-new-pass-manager 2>&1 | FileCheck %s --check-prefix=SLP 14 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O2 -vectorize-slp -mllvm -vectorize-slp=false -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc -fexperimental-new-pass-manager 2>&1 | FileCheck %s --check-prefix=NOSLP 15 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O2 -vectorize-slp -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc 2>&1 | FileCheck %s --check-prefix=SLP 16 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O2 -vectorize-slp -mllvm -vectorize-slp=false -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc 2>&1 | FileCheck %s --check-prefix=NOSLP 17 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O0 -vectorize-slp -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc -fexperimental-new-pass-manager 2>&1 | FileCheck %s --check-prefix=NOSLP 18 // SLP: extractelement 19 // NOSLP-NOT: extractelement 20 21 int foo(double *A, int n, int m) { 22 double sum = 0, v1 = 2, v0 = 3; 23 for (int i=0; i < n; ++i) 24 sum += 7*A[i*2] + 7*A[i*2+1]; 25 return sum; 26 } 27 28