58 lines
2.3 KiB
LLVM
58 lines
2.3 KiB
LLVM
; REQUIRES: x86-registered-target
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; RUN: opt < %s -S -asan-instrumentation-with-call-threshold=0 -passes='asan-pipeline' -asan-use-stack-safety=0 -o - | FileCheck %s --implicit-check-not="call {{.*}} @__asan_{{load|store|stack}}" --check-prefixes=CHECK,NOSAFETY
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; RUN: opt < %s -S -asan-instrumentation-with-call-threshold=0 -passes='asan-pipeline' -asan-use-stack-safety=1 -o - | FileCheck %s --implicit-check-not="call {{.*}} @__asan_{{load|store|stack}}"
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; CHECK-LABEL: define i32 @load
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define i32 @load() sanitize_address {
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%buf = alloca [10 x i8], align 1
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; NOSAFETY: call i64 @__asan_stack_malloc
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%arrayidx = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0
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%1 = load i8, i8* %arrayidx, align 1
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; NOSAFETY: call void @__asan_load1
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ret i32 0
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}
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; CHECK-LABEL: define i32 @store
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define i32 @store() sanitize_address {
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%buf = alloca [10 x i8], align 1
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; NOSAFETY: call i64 @__asan_stack_malloc
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%arrayidx = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0
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store i8 0, i8* %arrayidx
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; NOSAFETY: call void @__asan_store1
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ret i32 0
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}
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; CHECK-LABEL: define i32 @unsafe_alloca
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define i32 @unsafe_alloca(i32 %i) sanitize_address {
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%buf.sroa.0 = alloca [10 x i8], align 4
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; CHECK: call i64 @__asan_stack_malloc
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%ptr = getelementptr [10 x i8], [10 x i8]* %buf.sroa.0, i32 %i, i32 0
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store volatile i8 0, i8* %ptr, align 4
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; CHECK: call void @__asan_store1
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%ptr2 = getelementptr [10 x i8], [10 x i8]* %buf.sroa.0, i32 0, i32 0
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store volatile i8 0, i8* %ptr2, align 4
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; NOSAFETY: call void @__asan_store1
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ret i32 0
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}
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; CHECK-LABEL: define void @atomicrmw
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define void @atomicrmw() sanitize_address {
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%buf = alloca [10 x i8], align 1
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; NOSAFETY: call i64 @__asan_stack_malloc
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%arrayidx = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0
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%1 = atomicrmw add i8* %arrayidx, i8 1 seq_cst
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; NOSAFETY: call void @__asan_store1
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ret void
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}
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; CHECK-LABEL: define void @cmpxchg
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define void @cmpxchg(i8 %compare_to, i8 %new_value) sanitize_address {
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%buf = alloca [10 x i8], align 1
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; NOSAFETY: call i64 @__asan_stack_malloc
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%arrayidx = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0
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%1 = cmpxchg i8* %arrayidx, i8 %compare_to, i8 %new_value seq_cst seq_cst
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; NOSAFETY: call void @__asan_store1
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ret void
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}
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