forked from OSchip/llvm-project
28 lines
1.7 KiB
C
28 lines
1.7 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 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. Also check that
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// "-mllvm -vectorize-slp=false" will disable slp 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-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
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// 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
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// 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
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// 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
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// 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
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// SLP: extractelement
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// NOSLP-NOT: extractelement
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int foo(double *A, int n, int m) {
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double sum = 0, v1 = 2, v0 = 3;
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for (int i=0; i < n; ++i)
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sum += 7*A[i*2] + 7*A[i*2+1];
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return sum;
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}
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