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
37 lines
755 B
Plaintext
37 lines
755 B
Plaintext
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.13.0 -std=c++1z -fobjc-arc -fobjc-exceptions -fcxx-exceptions -fexceptions -emit-llvm -o - %s | FileCheck %s
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// CHECK: %[[V0:.*]] = type opaque
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// CHECK: %[[STRUCT_CLASS1:.*]] = type { %[[V0]]* }
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@interface Class0;
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@end
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struct Class1 {
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Class0 *f;
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};
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struct Container {
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Class1 a;
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bool b;
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};
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bool getBool() {
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extern void mayThrow();
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mayThrow();
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return false;
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}
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Class0 *g;
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// CHECK: define {{.*}} @_Z4testv()
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// CHECK: invoke noundef zeroext i1 @_Z7getBoolv()
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// CHECK: landingpad { i8*, i32 }
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// CHECK: call void @_ZN6Class1D1Ev(%[[STRUCT_CLASS1]]* {{[^,]*}} %{{.*}})
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// CHECK: br label
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// CHECK: define linkonce_odr void @_ZN6Class1D1Ev(
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Container test() {
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return {{g}, getBool()};
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}
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