; CHECK-LABEL: define i32 @load
define i32 @load() sanitize_address {
%buf = alloca [10 x i8], align 1
- ; CHECK: call i64 @__asan_stack_malloc
+ ; NOSAFETY: call i64 @__asan_stack_malloc
%arrayidx = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0
%1 = load i8, i8* %arrayidx, align 1
; NOSAFETY: call void @__asan_load1
; CHECK-LABEL: define i32 @store
define i32 @store() sanitize_address {
%buf = alloca [10 x i8], align 1
- ; CHECK: call i64 @__asan_stack_malloc
+ ; NOSAFETY: call i64 @__asan_stack_malloc
%arrayidx = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0
store i8 0, i8* %arrayidx
; NOSAFETY: call void @__asan_store1
ret i32 0
}
+; CHECK-LABEL: define i32 @unsafe_alloca
+define i32 @unsafe_alloca(i32 %i) sanitize_address {
+ %buf.sroa.0 = alloca [10 x i8], align 4
+ ; CHECK: call i64 @__asan_stack_malloc
+ %ptr = getelementptr [10 x i8], [10 x i8]* %buf.sroa.0, i32 %i, i32 0
+ store volatile i8 0, i8* %ptr, align 4
+ ; CHECK: call void @__asan_store1
+ %ptr2 = getelementptr [10 x i8], [10 x i8]* %buf.sroa.0, i32 0, i32 0
+ store volatile i8 0, i8* %ptr2, align 4
+ ; NOSAFETY: call void @__asan_store1
+ ret i32 0
+}
+
; CHECK-LABEL: define void @atomicrmw
define void @atomicrmw() sanitize_address {
%buf = alloca [10 x i8], align 1
- ; CHECK: call i64 @__asan_stack_malloc
+ ; NOSAFETY: call i64 @__asan_stack_malloc
%arrayidx = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0
%1 = atomicrmw add i8* %arrayidx, i8 1 seq_cst
; NOSAFETY: call void @__asan_store1
; CHECK-LABEL: define void @cmpxchg
define void @cmpxchg(i8 %compare_to, i8 %new_value) sanitize_address {
%buf = alloca [10 x i8], align 1
- ; CHECK: call i64 @__asan_stack_malloc
+ ; NOSAFETY: call i64 @__asan_stack_malloc
%arrayidx = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0
%1 = cmpxchg i8* %arrayidx, i8 %compare_to, i8 %new_value seq_cst seq_cst
; NOSAFETY: call void @__asan_store1