llvm-6502/test/Instrumentation/DataFlowSanitizer/args-unreachable-bb.ll
2013-08-12 22:38:43 +00:00

31 lines
658 B
LLVM

; RUN: opt < %s -dfsan -verify -dfsan-args-abi -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"
; CHECK-LABEL: @unreachable_bb1
define i8 @unreachable_bb1() {
; CHECK: ret { i8, i16 } { i8 1, i16 0 }
; CHECK-NOT: bb2:
; CHECK-NOT: bb3:
; CHECK-NOT: bb4:
ret i8 1
bb2:
ret i8 2
bb3:
br label %bb4
bb4:
br label %bb3
}
declare void @abort() noreturn
; CHECK-LABEL: @unreachable_bb2
define i8 @unreachable_bb2() {
call void @abort() noreturn
; CHECK-NOT: i8 12
; CHECK: unreachable
ret i8 12
}