derek.holloway
7502bf64a4
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83 lines
3.4 KiB
LLVM
83 lines
3.4 KiB
LLVM
; Test -sanitizer-coverage-experimental-tracing
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; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc -S | FileCheck %s --check-prefix=CHECK_PC
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; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S | FileCheck %s --check-prefix=CHECK_PC_GUARD
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; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S -mtriple=x86_64-apple-macosx | FileCheck %s --check-prefix=CHECK_PC_GUARD_DARWIN
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-unknown-linux-gnu"
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define void @foo(ptr %a) sanitize_address {
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entry:
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%tobool = icmp eq ptr %a, null
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br i1 %tobool, label %if.end, label %if.then
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if.then: ; preds = %entry
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store i32 0, ptr %a, align 4
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br label %if.end
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if.end: ; preds = %entry, %if.then
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ret void
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}
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define available_externally void @external_bar(ptr %a) sanitize_address {
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entry:
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ret void
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}
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declare void @longjmp(ptr) noreturn
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; We expect three coverage points here for each BB.
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define void @cond_longjmp(i1 %cond, ptr %jmp_buf) sanitize_address {
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entry:
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br i1 %cond, label %lj, label %done
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done:
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ret void
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lj:
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call void @longjmp(ptr %jmp_buf)
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unreachable
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}
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; CHECK_PC-LABEL: define void @foo
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; CHECK_PC: call void @__sanitizer_cov_trace_pc
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; CHECK_PC: call void @__sanitizer_cov_trace_pc
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; CHECK_PC: call void @__sanitizer_cov_trace_pc
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; CHECK_PC-NOT: call void @__sanitizer_cov_trace_pc
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; CHECK_PC: ret void
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; CHECK_PC-NOT: call void @__sanitizer_cov_module_init
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; CHECK_PC-LABEL: @cond_longjmp
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; CHECK_PC: call void @__sanitizer_cov_trace_pc
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; CHECK_PC: call void @__sanitizer_cov_trace_pc
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; CHECK_PC: ret void
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; CHECK_PC: call void @__sanitizer_cov_trace_pc
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; CHECK_PC: call void @longjmp
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; CHECK_PC: unreachable
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; CHECK_PC_GUARD: section "__sancov_guards", comdat($foo), align 4
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; CHECK_PC_GUARD-LABEL: define void @foo
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; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard
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; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard
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; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard
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; CHECK_PC_GUARD-NOT: call void @__sanitizer_cov_trace_pc
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; CHECK_PC_GUARD: ret void
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; CHECK_PC_GUARD-LABEL: @external_bar
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; CHECK_PC_GUARD-NOT: call void @__sanitizer_cov_trace_pc
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; CHECK_PC_GUARD: ret void
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; CHECK_PC_GUARD-LABEL: @cond_longjmp
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; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard
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; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard
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; CHECK_PC_GUARD: ret void
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; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard
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; CHECK_PC_GUARD: call void @longjmp
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; CHECK_PC_GUARD: unreachable
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; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard_init(ptr @__start___sancov_guards, ptr @__stop___sancov_guards)
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; CHECK_PC_GUARD_DARWIN-LABEL: define void @foo
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; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard
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; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard
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; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard
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; CHECK_PC_GUARD_DARWIN-NOT: call void @__sanitizer_cov_trace_pc
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; CHECK_PC_GUARD_DARWIN: ret void
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; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard_init(ptr @"\01section$start$__DATA$__sancov_guards", ptr @"\01section$end$__DATA$__sancov_guards")
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