1 ; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -sanitizer-coverage-inline-8bit-counters=1 -sanitizer-coverage-pc-table=1 -S | FileCheck %s
2 ; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=1 -sanitizer-coverage-inline-8bit-counters=1 -sanitizer-coverage-pc-table=1 -S | FileCheck %s
4 ; Make sure we use the right comdat groups for COFF to avoid relocations
5 ; against discarded sections. Internal linkage functions are also different from
6 ; ELF. We don't add a module unique identifier.
8 ; Test based on this source:
10 ; static int __attribute__((noinline)) bar(int x) {
21 ; Both new comdats should no duplicates on COFF.
23 ; CHECK: $foo = comdat noduplicates
24 ; CHECK: $bar = comdat noduplicates
26 ; Tables for 'foo' should be in the 'foo' comdat.
28 ; CHECK: @__sancov_gen_{{.*}} = private global [1 x i8] zeroinitializer, section ".SCOV$CM", comdat($foo), align 1
30 ; CHECK: @__sancov_gen_{{.*}} = private constant [2 x i64*]
31 ; CHECK-SAME: [i64* bitcast (i32 (i32)* @foo to i64*), i64* inttoptr (i64 1 to i64*)],
32 ; CHECK-SAME: section ".SCOVP$M", comdat($foo), align 8
34 ; Tables for 'bar' should be in the 'bar' comdat.
36 ; CHECK: @__sancov_gen_{{.*}} = private global [1 x i8] zeroinitializer, section ".SCOV$CM", comdat($bar), align 1
38 ; CHECK: @__sancov_gen_{{.*}} = private constant [2 x i64*]
39 ; CHECK-SAME: [i64* bitcast (i32 (i32)* @bar to i64*), i64* inttoptr (i64 1 to i64*)],
40 ; CHECK-SAME: section ".SCOVP$M", comdat($bar), align 8
42 ; 'foo' and 'bar' should be in their new comdat groups.
44 ; CHECK: define dso_local i32 @foo(i32 %x){{.*}} comdat {
45 ; CHECK: define internal fastcc i32 @bar(i32 %x){{.*}} comdat {
47 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
48 target triple = "x86_64-pc-windows-msvc19.14.26433"
50 ; Function Attrs: nounwind uwtable
51 define dso_local i32 @foo(i32 %x) local_unnamed_addr #0 {
53 %call = tail call i32 @baz(i32 0) #3
54 %tobool = icmp eq i32 %call, 0
55 br i1 %tobool, label %if.end, label %if.then
57 if.then: ; preds = %entry
58 %call1 = tail call fastcc i32 @bar(i32 %x)
61 if.end: ; preds = %entry, %if.then
62 %x.addr.0 = phi i32 [ %call1, %if.then ], [ %x, %entry ]
66 declare dso_local i32 @baz(i32) local_unnamed_addr #1
68 ; Function Attrs: noinline nounwind uwtable
69 define internal fastcc i32 @bar(i32 %x) unnamed_addr #2 {
71 %tobool = icmp eq i32 %x, 0
72 br i1 %tobool, label %return, label %if.then
74 if.then: ; preds = %entry
75 %call = tail call i32 @baz(i32 %x) #3
78 return: ; preds = %entry, %if.then
79 %retval.0 = phi i32 [ %call, %if.then ], [ 0, %entry ]
83 attributes #0 = { nounwind uwtable }
84 attributes #1 = { "asdf" }
85 attributes #2 = { noinline nounwind uwtable }
86 attributes #3 = { nounwind }