63 lines
1.7 KiB
LLVM
63 lines
1.7 KiB
LLVM
; 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: @"dfs$call"
|
|
define i32 @call() {
|
|
; CHECK: store{{.*}}__dfsan_arg_tls
|
|
; CHECK: call{{.*}}@"dfs$f"
|
|
; 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: @"dfs$h"
|
|
; CHECK: personality {{.*}} @"dfs$__gxx_personality_v0" {{.*}} {
|
|
define i32 @h() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
|
entry:
|
|
; CHECK: invoke void (...) @"dfs$g"(i32 42)
|
|
invoke void (...) @g(i32 42)
|
|
to label %try.cont unwind label %lpad
|
|
|
|
lpad:
|
|
%0 = landingpad { i8*, i32 }
|
|
catch i8* null
|
|
%1 = extractvalue { i8*, i32 } %0, 0
|
|
|
|
; CHECK: store {{.*}} @__dfsan_arg_tls
|
|
; CHECK: call {{.*}} @"dfs$__cxa_begin_catch"
|
|
; CHECK: load {{.*}} @__dfsan_retval_tls
|
|
%2 = tail call i8* @__cxa_begin_catch(i8* %1)
|
|
|
|
; CHECK: call {{.*}} @"dfs$__cxa_end_catch"
|
|
tail call void @__cxa_end_catch()
|
|
br label %try.cont
|
|
|
|
try.cont:
|
|
ret i32 0
|
|
}
|