1 // REQUIRES: x86-registered-target 2 // RUN: %clang_cc1 -o %t.o -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. Once -vectorize-slp 8 // is enabled, "-mllvm -vectorize-slp=false" won't disable slp vectorization 9 // currently. "-mllvm -vectorize-slp=false" is added here in the test to 10 // ensure the slp vectorization is executed because the -vectorize-slp cc1 11 // flag is passed down, not because "-mllvm -vectorize-slp" is enabled 12 // by default. 13 // 14 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O2 -vectorize-slp -mllvm -vectorize-slp=false -o %t2.o -x ir %t.o -fthinlto-index=%t.thinlto.bc -fdebug-pass-manager -fexperimental-new-pass-manager 2>&1 | FileCheck %s --check-prefix=O2-SLP 15 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O0 -vectorize-slp -mllvm -vectorize-slp=false -o %t2.o -x ir %t.o -fthinlto-index=%t.thinlto.bc -fdebug-pass-manager -fexperimental-new-pass-manager 2>&1 | FileCheck %s --check-prefix=O0-SLP 16 // O2-SLP: Running pass: SLPVectorizerPass 17 // O0-SLP-NOT: Running pass: SLPVectorizerPass 18 19 // Test to ensure the loop vectorize codegen option is passed down to the 20 // ThinLTO backend. -vectorize-loops is a cc1 option and will be added 21 // automatically when O2/O3/Os is available for clang. Once -vectorize-loops is 22 // enabled, "-mllvm -vectorize-loops=false" won't disable loop vectorization 23 // currently. "-mllvm -vectorize-loops=false" is added here in the test to 24 // ensure the loop vectorization is executed because the -vectorize-loops cc1 25 // flag is passed down, not because "-mllvm -vectorize-loops" is enabled 26 // by default. 27 // 28 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O2 -vectorize-loops -mllvm -vectorize-loops=false -mllvm -force-vector-width=2 -mllvm -force-vector-interleave=1 -emit-llvm -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc -fexperimental-new-pass-manager 2>&1 | FileCheck %s --check-prefix=O2-LPV 29 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O0 -vectorize-loops -mllvm -vectorize-loops=false -mllvm -force-vector-width=2 -mllvm -force-vector-interleave=1 -emit-llvm -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc -fexperimental-new-pass-manager 2>&1 | FileCheck %s --check-prefix=O0-LPV 30 // O2-LPV: = !{!"llvm.loop.isvectorized", i32 1} 31 // O0-LPV-NOT: = !{!"llvm.loop.isvectorized", i32 1} 32 33 // Test to ensure the loop interleave codegen option is passed down to the 34 // ThinLTO backend. The internal loop interleave codegen option will be 35 // enabled automatically when O2/O3 is available for clang. Once the loop 36 // interleave option is enabled, "-mllvm -interleave-loops=false" won't disable 37 // the interleave. currently. "-mllvm -interleave-loops=false" is added here 38 // in the test to ensure the loop interleave is executed because the interleave 39 // codegen flag is passed down, not because "-mllvm -interleave-loops" is 40 // enabled by default. 41 // 42 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O2 -vectorize-loops -mllvm -interleave-loops=false -mllvm -force-vector-width=1 -mllvm -force-vector-interleave=2 -emit-llvm -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc -fexperimental-new-pass-manager 2>&1 | FileCheck %s --check-prefix=O2-InterLeave 43 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O0 -vectorize-loops -mllvm -interleave-loops=false -mllvm -force-vector-width=1 -mllvm -force-vector-interleave=2 -emit-llvm -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc -fexperimental-new-pass-manager 2>&1 | FileCheck %s --check-prefix=O0-InterLeave 44 // O2-InterLeave: = !{!"llvm.loop.isvectorized", i32 1} 45 // O0-InterLeave-NOT: = !{!"llvm.loop.isvectorized", i32 1} 46 47 void foo(double *a) { 48 for (int i = 0; i < 1000; i++) 49 a[i] = 10; 50 } 51