reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck  \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S          \
; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,CHECK-ORIGIN"
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck %s --check-prefixes=CHECK,CHECK-ORIGIN
; RUN: opt < %s -msan-check-access-address=1 -S -passes=msan 2>&1 | FileCheck  \
; RUN: %s --check-prefix=ADDR
; RUN: opt < %s -msan -msan-check-access-address=1 -S | FileCheck %s --check-prefix=ADDR

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"

declare void @llvm.masked.store.v4i64.p0v4i64(<4 x i64>, <4 x i64>*, i32, <4 x i1>)
declare <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>*, i32, <4 x i1>, <4 x double>)

define void @Store(<4 x i64>* %p, <4 x i64> %v, <4 x i1> %mask) sanitize_memory {
entry:
  tail call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %v, <4 x i64>* %p, i32 1, <4 x i1> %mask)
  ret void
}

; CHECK-LABEL: @Store(
; CHECK: %[[A:.*]] = load <4 x i64>, {{.*}}@__msan_param_tls to i64), i64 8)
; CHECK-ORIGIN: %[[O:.*]] = load i32, {{.*}}@__msan_param_origin_tls to i64), i64 8)
; CHECK: %[[B:.*]] = ptrtoint <4 x i64>* %p to i64
; CHECK: %[[C:.*]] = xor i64 %[[B]], 87960930222080
; CHECK: %[[D:.*]] = inttoptr i64 %[[C]] to <4 x i64>*
; CHECK-ORIGIN: %[[E:.*]] = add i64 %[[C]], 17592186044416
; CHECK-ORIGIN: %[[F:.*]] = and i64 %[[E]], -4
; CHECK-ORIGIN: %[[G:.*]] = inttoptr i64 %[[F]] to i32*
; CHECK: call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %[[A]], <4 x i64>* %[[D]], i32 1, <4 x i1> %mask)
; CHECK-ORIGIN: store i32 %[[O]], i32* %[[G]], align 4
; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 1
; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 2
; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 3
; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 4
; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 5
; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 6
; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 7
; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
; CHECK: tail call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %v, <4 x i64>* %p, i32 1, <4 x i1> %mask)
; CHECK: ret void

; ADDR-LABEL: @Store(
; ADDR: %[[MASKSHADOW:.*]] = load <4 x i1>, {{.*}}@__msan_param_tls to i64), i64 40)
; ADDR: %[[ADDRSHADOW:.*]] = load i64, {{.*}}[100 x i64]* @__msan_param_tls, i32 0, i32 0)

; ADDR: %[[ADDRBAD:.*]] = icmp ne i64 %[[ADDRSHADOW]], 0
; ADDR: br i1 %[[ADDRBAD]], label {{.*}}, label {{.*}}
; ADDR: call void @__msan_warning_noreturn()

; ADDR: %[[MASKSHADOWFLAT:.*]] = bitcast <4 x i1> %[[MASKSHADOW]] to i4
; ADDR: %[[MASKBAD:.*]] = icmp ne i4 %[[MASKSHADOWFLAT]], 0
; ADDR: br i1 %[[MASKBAD]], label {{.*}}, label {{.*}}
; ADDR: call void @__msan_warning_noreturn()

; ADDR: tail call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %v, <4 x i64>* %p, i32 1, <4 x i1> %mask)
; ADDR: ret void


define <4 x double> @Load(<4 x double>* %p, <4 x double> %v, <4 x i1> %mask) sanitize_memory {
entry:
  %x = call <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>* %p, i32 1, <4 x i1> %mask, <4 x double> %v)
  ret <4 x double> %x
}

; CHECK-LABEL: @Load(
; CHECK: %[[A:.*]] = load <4 x i64>, {{.*}}@__msan_param_tls to i64), i64 8)
; CHECK-ORIGIN: %[[O:.*]] = load i32, {{.*}}@__msan_param_origin_tls to i64), i64 8)
; CHECK: %[[B:.*]] = ptrtoint <4 x double>* %p to i64
; CHECK: %[[C:.*]] = xor i64 %[[B]], 87960930222080
; CHECK: %[[D:.*]] = inttoptr i64 %[[C]] to <4 x i64>*
; CHECK-ORIGIN: %[[E:.*]] = add i64 %[[C]], 17592186044416
; CHECK-ORIGIN: %[[F:.*]] = and i64 %[[E]], -4
; CHECK-ORIGIN: %[[G:.*]] = inttoptr i64 %[[F]] to i32*
; CHECK: %[[E:.*]] = call <4 x i64> @llvm.masked.load.v4i64.p0v4i64(<4 x i64>* %[[D]], i32 1, <4 x i1> %mask, <4 x i64> %[[A]])
; CHECK-ORIGIN: %[[H:.*]] = load i32, i32* %[[G]]
; CHECK-ORIGIN: %[[O2:.*]] = select i1 %{{.*}}, i32 %[[O]], i32 %[[H]]
; CHECK: %[[X:.*]] = call <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>* %p, i32 1, <4 x i1> %mask, <4 x double> %v)
; CHECK: store <4 x i64> %[[E]], {{.*}}@__msan_retval_tls
; CHECK-ORIGIN: store i32 %[[O2]], i32* @__msan_retval_origin_tls
; CHECK: ret <4 x double> %[[X]]

; ADDR-LABEL: @Load(
; ADDR: %[[MASKSHADOW:.*]] = load <4 x i1>, {{.*}}@__msan_param_tls to i64), i64 40)
; ADDR: %[[ADDRSHADOW:.*]] = load i64, {{.*}}[100 x i64]* @__msan_param_tls, i32 0, i32 0)

; ADDR: %[[ADDRBAD:.*]] = icmp ne i64 %[[ADDRSHADOW]], 0
; ADDR: br i1 %[[ADDRBAD]], label {{.*}}, label {{.*}}
; ADDR: call void @__msan_warning_noreturn()

; ADDR: %[[MASKSHADOWFLAT:.*]] = bitcast <4 x i1> %[[MASKSHADOW]] to i4
; ADDR: %[[MASKBAD:.*]] = icmp ne i4 %[[MASKSHADOWFLAT]], 0
; ADDR: br i1 %[[MASKBAD]], label {{.*}}, label {{.*}}
; ADDR: call void @__msan_warning_noreturn()

; ADDR: = call <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>* %p, i32 1, <4 x i1> %mask, <4 x double> %v)
; ADDR: ret <4 x double>

define void @StoreNoSanitize(<4 x i64>* %p, <4 x i64> %v, <4 x i1> %mask) {
entry:
  tail call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %v, <4 x i64>* %p, i32 1, <4 x i1> %mask)
  ret void
}

; CHECK-LABEL: @StoreNoSanitize(
; CHECK: %[[B:.*]] = ptrtoint <4 x i64>* %p to i64
; CHECK: %[[C:.*]] = xor i64 %[[B]], 87960930222080
; CHECK: %[[D:.*]] = inttoptr i64 %[[C]] to <4 x i64>*
; CHECK: call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> zeroinitializer, <4 x i64>* %[[D]], i32 1, <4 x i1> %mask)
; CHECK: tail call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %v, <4 x i64>* %p, i32 1, <4 x i1> %mask)
; CHECK: ret void

define <4 x double> @LoadNoSanitize(<4 x double>* %p, <4 x double> %v, <4 x i1> %mask) {
entry:
  %x = call <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>* %p, i32 1, <4 x i1> %mask, <4 x double> %v)
  ret <4 x double> %x
}

; CHECK-LABEL: @LoadNoSanitize(
; CHECK: %[[X:.*]] = call <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>* %p, i32 1, <4 x i1> %mask, <4 x double> %v)
; CHECK: store <4 x i64> zeroinitializer, {{.*}}@__msan_retval_tls to <4 x i64>*)
; CHECK: ret <4 x double> %[[X]]