forked from OSchip/llvm-project
51 lines
3.9 KiB
C
51 lines
3.9 KiB
C
// REQUIRES: x86-registered-target
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// RUN: %clang_cc1 -o %t.o -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 slp vectorize codegen option is passed down to the
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// ThinLTO backend. -vectorize-slp is a cc1 option and will be added
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// automatically when O2/O3/Os/Oz is available for clang. Once -vectorize-slp
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// is enabled, "-mllvm -vectorize-slp=false" won't disable slp vectorization
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// currently. "-mllvm -vectorize-slp=false" is added here in the test to
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// ensure the slp vectorization is executed because the -vectorize-slp cc1
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// flag is passed down, not because "-mllvm -vectorize-slp" is enabled
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// by default.
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//
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// 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
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// 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
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// O2-SLP: Running pass: SLPVectorizerPass
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// O0-SLP-NOT: Running pass: SLPVectorizerPass
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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. Once -vectorize-loops is
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// enabled, "-mllvm -vectorize-loops=false" won't disable loop vectorization
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// currently. "-mllvm -vectorize-loops=false" is added here in the test to
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// ensure the loop vectorization is executed because the -vectorize-loops cc1
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// flag is passed down, not because "-mllvm -vectorize-loops" is enabled
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// by default.
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//
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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-LPV
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// 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
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// O2-LPV: = !{!"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. Once the loop
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// interleave option is enabled, "-mllvm -interleave-loops=false" won't disable
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// the interleave. currently. "-mllvm -interleave-loops=false" is added here
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// in the test to ensure the loop interleave is executed because the interleave
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// codegen flag is passed down, not because "-mllvm -interleave-loops" is
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// enabled by default.
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//
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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=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
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// 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
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// O2-InterLeave: = !{!"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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