| Peter Collingbourne | 87f477b | 2019-01-04 19:27:04 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -hwasan < %s | FileCheck %s |
| 2 | |
| 3 | target triple = "x86_64-unknown-linux-gnu" |
| 4 | |
| 5 | declare void @bar([16 x i32]* %p) |
| 6 | |
| 7 | define void @foo() sanitize_hwaddress "hwasan-abi"="interceptor" { |
| 8 | ; CHECK: [[LOAD:%[^ ]*]] = load i64, i64* @__hwasan_tls |
| 9 | ; CHECK: [[ICMP:%[^ ]*]] = icmp eq i64 [[LOAD]], 0 |
| 10 | ; CHECK: br i1 [[ICMP]], label %[[INIT:[^,]*]], label %[[CONT:[^,]*]], !prof [[PROF:![0-9]+]] |
| 11 | |
| 12 | ; CHECK: [[INIT]]: |
| 13 | ; CHECK: call void @__hwasan_thread_enter() |
| 14 | ; CHECK: [[RELOAD:%[^ ]*]] = load i64, i64* @__hwasan_tls |
| 15 | ; CHECK: br label %[[CONT]] |
| 16 | |
| 17 | ; CHECK: [[CONT]]: |
| 18 | ; CHECK: phi i64 [ [[LOAD]], %0 ], [ [[RELOAD]], %[[INIT]] ] |
| 19 | |
| 20 | %p = alloca [16 x i32] |
| 21 | call void @bar([16 x i32]* %p) |
| 22 | ret void |
| 23 | } |
| 24 | |
| 25 | ; CHECK: [[PROF]] = !{!"branch_weights", i32 1, i32 100000} |