Turning on `enable_noundef_analysis` flag allows better codegen by removing freeze instructions. I modified clang by renaming `enable_noundef_analysis` flag to `disable-noundef-analysis` and turning it off by default. Test updates are made as a separate patch: D108453 Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D105169
15 lines
301 B
C
15 lines
301 B
C
// RUN: %clang_cc1 -triple=armv7-none-eabi < %s -S -emit-llvm | FileCheck %s
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struct foo {
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long long a;
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char b;
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int c:16;
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int d[16];
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};
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// CHECK: %struct.foo* noundef byval(%struct.foo) align 8 %z
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long long bar(int a, int b, int c, int d, int e,
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struct foo z) {
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return z.a;
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}
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