86f884ed46
Patch from Geoff Berry <gberry@codeaurora.org> Fix BackendConsumer::EmitOptimizationMessage() to check if the DiagnosticInfoOptimizationBase object has a valid location before calling getLocation() to avoid dereferencing a null pointer inside getLocation() when no debug info is present. llvm-svn: 236898
22 lines
652 B
C++
22 lines
652 B
C++
// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -O3 -emit-llvm -S -verify -o /dev/null
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// REQUIRES: x86-registered-target
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// Test verifies optimization failures generated by the backend are handled
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// correctly by clang. LLVM tests verify all of the failure conditions.
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void test_switch(int *A, int *B, int Length) {
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#pragma clang loop vectorize(enable) unroll(disable)
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for (int i = 0; i < Length; i++) {
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switch (A[i]) {
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case 0:
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B[i] = 1;
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break;
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case 1:
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B[i] = 2;
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break;
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default:
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B[i] = 3;
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}
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}
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/* expected-warning {{loop not vectorized: failed explicitly specified loop vectorization}} */ }
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