1*9880d681SAndroid Build Coastguard Worker; Test -msan-instrumentation-with-call-threshold 2*9880d681SAndroid Build Coastguard Worker; Test that in with-calls mode there are no calls to __msan_chain_origin - they 3*9880d681SAndroid Build Coastguard Worker; are done from __msan_maybe_store_origin_*. 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -msan -msan-check-access-address=0 -msan-instrumentation-with-call-threshold=0 -S | FileCheck %s 6*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -msan -msan-check-access-address=0 -msan-instrumentation-with-call-threshold=0 -msan-track-origins=1 -S | FileCheck -check-prefix=CHECK -check-prefix=CHECK-ORIGINS %s 7*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -msan -msan-check-access-address=0 -msan-instrumentation-with-call-threshold=0 -msan-track-origins=2 -S | FileCheck -check-prefix=CHECK -check-prefix=CHECK-ORIGINS %s 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workertarget 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" 10*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu" 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerdefine void @LoadAndCmp(i32* nocapture %a) nounwind uwtable sanitize_memory { 13*9880d681SAndroid Build Coastguard Workerentry: 14*9880d681SAndroid Build Coastguard Worker %0 = load i32, i32* %a, align 4 15*9880d681SAndroid Build Coastguard Worker %tobool = icmp eq i32 %0, 0 16*9880d681SAndroid Build Coastguard Worker br i1 %tobool, label %if.end, label %if.then 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerif.then: ; preds = %entry 19*9880d681SAndroid Build Coastguard Worker tail call void (...) @foo() nounwind 20*9880d681SAndroid Build Coastguard Worker br label %if.end 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerif.end: ; preds = %entry, %if.then 23*9880d681SAndroid Build Coastguard Worker ret void 24*9880d681SAndroid Build Coastguard Worker} 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Workerdeclare void @foo(...) 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @LoadAndCmp 29*9880d681SAndroid Build Coastguard Worker; CHECK: = load 30*9880d681SAndroid Build Coastguard Worker; CHECK: = load 31*9880d681SAndroid Build Coastguard Worker; CHECK: = zext i1 {{.*}} to i8 32*9880d681SAndroid Build Coastguard Worker; CHECK: call void @__msan_maybe_warning_1( 33*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: unreachable 34*9880d681SAndroid Build Coastguard Worker; CHECK: ret void 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Worker 37*9880d681SAndroid Build Coastguard Workerdefine void @Store(i64* nocapture %p, i64 %x) nounwind uwtable sanitize_memory { 38*9880d681SAndroid Build Coastguard Workerentry: 39*9880d681SAndroid Build Coastguard Worker store i64 %x, i64* %p, align 4 40*9880d681SAndroid Build Coastguard Worker ret void 41*9880d681SAndroid Build Coastguard Worker} 42*9880d681SAndroid Build Coastguard Worker 43*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @Store 44*9880d681SAndroid Build Coastguard Worker; CHECK: load {{.*}} @__msan_param_tls 45*9880d681SAndroid Build Coastguard Worker; CHECK-ORIGINS: load {{.*}} @__msan_param_origin_tls 46*9880d681SAndroid Build Coastguard Worker; CHECK: store 47*9880d681SAndroid Build Coastguard Worker; CHECK-ORIGINS-NOT: __msan_chain_origin 48*9880d681SAndroid Build Coastguard Worker; CHECK-ORIGINS: bitcast i64* {{.*}} to i8* 49*9880d681SAndroid Build Coastguard Worker; CHECK-ORIGINS-NOT: __msan_chain_origin 50*9880d681SAndroid Build Coastguard Worker; CHECK-ORIGINS: call void @__msan_maybe_store_origin_8( 51*9880d681SAndroid Build Coastguard Worker; CHECK-ORIGINS-NOT: __msan_chain_origin 52*9880d681SAndroid Build Coastguard Worker; CHECK: store i64 53*9880d681SAndroid Build Coastguard Worker; CHECK: ret void 54