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// RUN: %clang_cc1 -triple x86_64-linux-gnu -S -emit-llvm -fsanitize=memory -no-enable-noundef-analysis -o - %s | \
// RUN: FileCheck %s --check-prefixes=CLEAN,CHECK
// RUN: %clang_cc1 -triple x86_64-linux-gnu -S -emit-llvm -fsanitize=memory -fno-sanitize-memory-param-retval -o - %s | \
// RUN: FileCheck %s --check-prefixes=NOUNDEF,NOUNDEF_ONLY,CHECK
// RUN: %clang_cc1 -triple x86_64-linux-gnu -S -emit-llvm -fsanitize=memory -mllvm -msan-eager-checks -o - %s | \
// RUN: FileCheck %s --check-prefixes=NOUNDEF,EAGER,CHECK
// RUN: %clang_cc1 -triple x86_64-linux-gnu -S -emit-llvm -fsanitize=memory -no-enable-noundef-analysis -fsanitize-memory-param-retval -o - %s | \
// RUN: FileCheck %s --check-prefixes=CLEAN,CHECK
// RUN: %clang_cc1 -triple x86_64-linux-gnu -S -emit-llvm -fsanitize=memory -o - %s | \
// RUN: FileCheck %s --check-prefixes=NOUNDEF,EAGER,CHECK
void bar(int x) {
}
// CLEAN: define dso_local void @_Z3bari(i32 %x) #0 {
// NOUNDEF: define dso_local void @_Z3bari(i32 noundef %x) #0 {
// CLEAN: @__msan_param_tls
// NOUNDEF_ONLY: @__msan_param_tls
// EAGER-NOT: @__msan_param_tls
// CHECK: }
int foo() {
return 1;
}
// CLEAN: define dso_local i32 @_Z3foov() #0 {
// NOUNDEF: define dso_local noundef i32 @_Z3foov() #0 {
// CLEAN: @__msan_retval_tls
// NOUNDEF_ONLY: @__msan_retval_tls
// EAGER-NOT: @__msan_retval_tls
// CHECK: }
int noret() {
}
// CLEAN: define dso_local i32 @_Z5noretv() #0 {
// NOUNDEF: define dso_local noundef i32 @_Z5noretv() #0 {
// CHECK: unreachable
// CHECK: }
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