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; RUN: opt < %s -dfsan -S | FileCheck %s
; RUN: opt < %s -passes=dfsan -S | FileCheck %s
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-S128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK-LABEL: @__dfsan_arg_tls
; CHECK: = external thread_local(initialexec) global [100 x i64]
; CHECK-LABEL: @__dfsan_retval_tls
; CHECK: = external thread_local(initialexec) global [100 x i64]
declare i32 @f(i32)
declare float @llvm.sqrt.f32(float)
; CHECK-LABEL: @call.dfsan
define i32 @call() {
; CHECK: store{{.*}}__dfsan_arg_tls
; CHECK: call{{.*}}@f.dfsan
; CHECK: load{{.*}}__dfsan_retval_tls
%r = call i32 @f(i32 0)
; CHECK-NOT: store{{.*}}__dfsan_arg_tls
%i = call float @llvm.sqrt.f32(float -1.0)
; CHECK: store{{.*}}__dfsan_retval_tls
; CHECK: ret i32
ret i32 %r
}
declare i32 @__gxx_personality_v0(...)
declare i8* @__cxa_begin_catch(i8*)
declare void @__cxa_end_catch()
declare void @g(...)
; CHECK-LABEL: @h.dfsan
; CHECK: personality {{.*}} @__gxx_personality_v0.dfsan {{.*}} {
define i32 @h() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
entry:
; CHECK: invoke void (...) @g.dfsan(i32 42)
invoke void (...) @g(i32 42)
to label %try.cont unwind label %lpad
lpad:
%0 = landingpad { i8*, i32 }
catch i8* null
%1 = extractvalue { i8*, i32 } %0, 0
; CHECK: store {{.*}} @__dfsan_arg_tls
; CHECK: call {{.*}} @__cxa_begin_catch.dfsan
; CHECK: load {{.*}} @__dfsan_retval_tls
%2 = tail call i8* @__cxa_begin_catch(i8* %1)
; CHECK: call {{.*}} @__cxa_end_catch.dfsan
tail call void @__cxa_end_catch()
br label %try.cont
try.cont:
ret i32 0
}
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