1b1c8d83d3
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
21 lines
440 B
C++
21 lines
440 B
C++
// RUN: %clang_cc1 %s -triple=arm-unknown-linux-gnueabi -target-abi aapcs -emit-llvm -o - | FileCheck %s
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class SMLoc {
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const char *Ptr;
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public:
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SMLoc();
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SMLoc(const SMLoc &RHS);
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};
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SMLoc foo(void *p);
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void bar(void *x) {
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foo(x);
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}
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void zed(SMLoc x);
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void baz() {
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SMLoc a;
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zed(a);
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}
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// CHECK: declare void @_Z3fooPv(%class.SMLoc* sret(%class.SMLoc) align 4, i8* noundef)
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// CHECK: declare void @_Z3zed5SMLoc(%class.SMLoc* noundef)
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