Home | History | Annotate | Download | only in DataFlowSanitizer
      1 ; RUN: opt < %s -dfsan -verify -dfsan-args-abi -S | FileCheck %s
      2 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"
      3 target triple = "x86_64-unknown-linux-gnu"
      4 
      5 ; CHECK-LABEL: @"dfs$unreachable_bb1"
      6 define i8 @unreachable_bb1() {
      7   ; CHECK: ret { i8, i16 } { i8 1, i16 0 }
      8   ; CHECK-NOT: bb2:
      9   ; CHECK-NOT: bb3:
     10   ; CHECK-NOT: bb4:
     11   ret i8 1
     12 
     13 bb2:
     14   ret i8 2
     15 
     16 bb3:
     17   br label %bb4
     18 
     19 bb4:
     20   br label %bb3
     21 }
     22 
     23 declare void @abort() noreturn
     24 
     25 ; CHECK-LABEL: @"dfs$unreachable_bb2"
     26 define i8 @unreachable_bb2() {
     27   call void @abort() noreturn
     28   ; CHECK-NOT: i8 12
     29   ; CHECK: unreachable
     30   ret i8 12
     31 }
     32