forked from OSchip/llvm-project
45 lines
3.8 KiB
C
45 lines
3.8 KiB
C
// REQUIRES: x86-registered-target
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// RUN: %clang_cc1 -o %t.o -O2 -flto=thin -fexperimental-new-pass-manager -triple x86_64-unknown-linux-gnu -emit-llvm-bc %s
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// RUN: llvm-lto -thinlto -o %t %t.o
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// Test to ensure the loop vectorize codegen option is passed down to the
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// ThinLTO backend. -vectorize-loops is a cc1 option and will be added
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// automatically when O2/O3/Os is available for clang. Also check that
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// "-mllvm -vectorize-loops=false" will disable loop vectorization, overriding
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// the cc1 option.
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//
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// Check both the new and old PMs.
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//
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O2 -vectorize-loops -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
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O2 -vectorize-loops -mllvm -force-vector-width=2 -mllvm -force-vector-interleave=1 -emit-llvm -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc 2>&1 | FileCheck %s --check-prefix=O2-LPV
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// 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-NOLPV
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// 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 2>&1 | FileCheck %s --check-prefix=O2-NOLPV
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O0 -vectorize-loops -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
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O0 -vectorize-loops -mllvm -force-vector-width=2 -mllvm -force-vector-interleave=1 -emit-llvm -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc 2>&1 | FileCheck %s --check-prefix=O0-LPV
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// O2-LPV: = !{!"llvm.loop.isvectorized", i32 1}
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// O2-NOLPV-NOT: = !{!"llvm.loop.isvectorized", i32 1}
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// O0-LPV-NOT: = !{!"llvm.loop.isvectorized", i32 1}
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// Test to ensure the loop interleave codegen option is passed down to the
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// ThinLTO backend. The internal loop interleave codegen option will be
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// enabled automatically when O2/O3 is available for clang. Also check that
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// "-mllvm -interleave-loops=false" will disable the interleaving, overriding
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// the cc1 option.
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//
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// Check both the new and old PMs.
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//
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O2 -vectorize-loops -mllvm -force-vector-width=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
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O2 -vectorize-loops -mllvm -interleave-loops=false -mllvm -force-vector-width=2 -emit-llvm -o - -x ir %t.o -fthinlto-index=%t.thinlto.bc -fexperimental-new-pass-manager 2>&1 | FileCheck %s --check-prefix=O2-NoInterLeave
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O0 -vectorize-loops -mllvm -force-vector-width=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
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// O2-InterLeave-COUNT-2: store <2 x double>
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// O2-InterLeave: = !{!"llvm.loop.isvectorized", i32 1}
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// O2-NoInterLeave-COUNT-1: store <2 x double>
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// O2-NoInterLeave-NOT: store <2 x double>
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// O2-NoInterLeave: = !{!"llvm.loop.isvectorized", i32 1}
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// O0-InterLeave-NOT: = !{!"llvm.loop.isvectorized", i32 1}
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void foo(double *a) {
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for (int i = 0; i < 1000; i++)
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a[i] = 10;
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}
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