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