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|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Test basic type sanitizer instrumentation.
;
; RUN: opt -passes='tysan' -S %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define i32 @test_load_unk(ptr %a) sanitize_type {
; CHECK-LABEL: @test_load_unk(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[APP_MEM_MASK:%.*]] = load i64, ptr @__tysan_app_memory_mask, align 8
; CHECK-NEXT: [[SHADOW_BASE:%.*]] = load i64, ptr @__tysan_shadow_memory_address, align 8
; CHECK-NEXT: [[APP_PTR_INT:%.*]] = ptrtoint ptr [[A:%.*]] to i64
; CHECK-NEXT: [[APP_PTR_MASKED:%.*]] = and i64 [[APP_PTR_INT]], [[APP_MEM_MASK]]
; CHECK-NEXT: [[APP_PTR_SHIFTED:%.*]] = shl i64 [[APP_PTR_MASKED]], 3
; CHECK-NEXT: [[SHADOW_PTR_INT:%.*]] = add i64 [[APP_PTR_SHIFTED]], [[SHADOW_BASE]]
; CHECK-NEXT: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_PTR_INT]] to ptr
; CHECK-NEXT: [[SHADOW_DESC:%.*]] = load ptr, ptr [[SHADOW_PTR]], align 8
; CHECK-NEXT: [[BAD_DESC:%.*]] = icmp ne ptr [[SHADOW_DESC]], null
; CHECK-NEXT: br i1 [[BAD_DESC]], label [[TMP0:%.*]], label [[TMP22:%.*]], !prof [[PROF0:![0-9]+]]
; CHECK: 0:
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq ptr [[SHADOW_DESC]], null
; CHECK-NEXT: br i1 [[TMP1]], label [[TMP2:%.*]], label [[TMP20:%.*]]
; CHECK: 2:
; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[SHADOW_PTR_INT]], 8
; CHECK-NEXT: [[TMP4:%.*]] = inttoptr i64 [[TMP3]] to ptr
; CHECK-NEXT: [[TMP5:%.*]] = load ptr, ptr [[TMP4]], align 8
; CHECK-NEXT: [[TMP6:%.*]] = icmp ne ptr [[TMP5]], null
; CHECK-NEXT: [[TMP7:%.*]] = or i1 false, [[TMP6]]
; CHECK-NEXT: [[TMP8:%.*]] = add i64 [[SHADOW_PTR_INT]], 16
; CHECK-NEXT: [[TMP9:%.*]] = inttoptr i64 [[TMP8]] to ptr
; CHECK-NEXT: [[TMP10:%.*]] = load ptr, ptr [[TMP9]], align 8
; CHECK-NEXT: [[TMP11:%.*]] = icmp ne ptr [[TMP10]], null
; CHECK-NEXT: [[TMP12:%.*]] = or i1 [[TMP7]], [[TMP11]]
; CHECK-NEXT: [[TMP13:%.*]] = add i64 [[SHADOW_PTR_INT]], 24
; CHECK-NEXT: [[TMP14:%.*]] = inttoptr i64 [[TMP13]] to ptr
; CHECK-NEXT: [[TMP15:%.*]] = load ptr, ptr [[TMP14]], align 8
; CHECK-NEXT: [[TMP16:%.*]] = icmp ne ptr [[TMP15]], null
; CHECK-NEXT: [[TMP17:%.*]] = or i1 [[TMP12]], [[TMP16]]
; CHECK-NEXT: br i1 [[TMP17]], label [[TMP18:%.*]], label [[TMP19:%.*]], !prof [[PROF0]]
; CHECK: 18:
; CHECK-NEXT: call void @__tysan_check(ptr [[A]], i32 4, ptr null, i32 1)
; CHECK-NEXT: br label [[TMP19]]
; CHECK: 19:
; CHECK-NEXT: store ptr null, ptr [[SHADOW_PTR]], align 8
; CHECK-NEXT: [[SHADOW_BYTE_1_OFFSET:%.*]] = add i64 [[SHADOW_PTR_INT]], 8
; CHECK-NEXT: [[SHADOW_BYTE_1_PTR:%.*]] = inttoptr i64 [[SHADOW_BYTE_1_OFFSET]] to ptr
; CHECK-NEXT: store ptr inttoptr (i64 -1 to ptr), ptr [[SHADOW_BYTE_1_PTR]], align 8
; CHECK-NEXT: [[SHADOW_BYTE_2_OFFSET:%.*]] = add i64 [[SHADOW_PTR_INT]], 16
; CHECK-NEXT: [[SHADOW_BYTE_2_PTR:%.*]] = inttoptr i64 [[SHADOW_BYTE_2_OFFSET]] to ptr
; CHECK-NEXT: store ptr inttoptr (i64 -2 to ptr), ptr [[SHADOW_BYTE_2_PTR]], align 8
; CHECK-NEXT: [[SHADOW_BYTE_3_OFFSET:%.*]] = add i64 [[SHADOW_PTR_INT]], 24
; CHECK-NEXT: [[SHADOW_BYTE_3_PTR:%.*]] = inttoptr i64 [[SHADOW_BYTE_3_OFFSET]] to ptr
; CHECK-NEXT: store ptr inttoptr (i64 -3 to ptr), ptr [[SHADOW_BYTE_3_PTR]], align 8
; CHECK-NEXT: br label [[TMP21:%.*]]
; CHECK: 20:
; CHECK-NEXT: call void @__tysan_check(ptr [[A]], i32 4, ptr null, i32 1)
; CHECK-NEXT: br label [[TMP21]]
; CHECK: 21:
; CHECK-NEXT: br label [[TMP43:%.*]]
; CHECK: 22:
; CHECK-NEXT: [[TMP23:%.*]] = add i64 [[SHADOW_PTR_INT]], 8
; CHECK-NEXT: [[TMP24:%.*]] = inttoptr i64 [[TMP23]] to ptr
; CHECK-NEXT: [[TMP25:%.*]] = load ptr, ptr [[TMP24]], align 8
; CHECK-NEXT: [[TMP26:%.*]] = ptrtoint ptr [[TMP25]] to i64
; CHECK-NEXT: [[TMP27:%.*]] = icmp sge i64 [[TMP26]], 0
; CHECK-NEXT: [[TMP28:%.*]] = or i1 false, [[TMP27]]
; CHECK-NEXT: [[TMP29:%.*]] = add i64 [[SHADOW_PTR_INT]], 16
; CHECK-NEXT: [[TMP30:%.*]] = inttoptr i64 [[TMP29]] to ptr
; CHECK-NEXT: [[TMP31:%.*]] = load ptr, ptr [[TMP30]], align 8
; CHECK-NEXT: [[TMP32:%.*]] = ptrtoint ptr [[TMP31]] to i64
; CHECK-NEXT: [[TMP33:%.*]] = icmp sge i64 [[TMP32]], 0
; CHECK-NEXT: [[TMP34:%.*]] = or i1 [[TMP28]], [[TMP33]]
; CHECK-NEXT: [[TMP35:%.*]] = add i64 [[SHADOW_PTR_INT]], 24
; CHECK-NEXT: [[TMP36:%.*]] = inttoptr i64 [[TMP35]] to ptr
; CHECK-NEXT: [[TMP37:%.*]] = load ptr, ptr [[TMP36]], align 8
; CHECK-NEXT: [[TMP38:%.*]] = ptrtoint ptr [[TMP37]] to i64
; CHECK-NEXT: [[TMP39:%.*]] = icmp sge i64 [[TMP38]], 0
; CHECK-NEXT: [[TMP40:%.*]] = or i1 [[TMP34]], [[TMP39]]
; CHECK-NEXT: br i1 [[TMP40]], label [[TMP41:%.*]], label [[TMP42:%.*]], !prof [[PROF0]]
; CHECK: 41:
; CHECK-NEXT: call void @__tysan_check(ptr [[A]], i32 4, ptr null, i32 1)
; CHECK-NEXT: br label [[TMP42]]
; CHECK: 42:
; CHECK-NEXT: br label [[TMP43]]
; CHECK: 43:
; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[A]], align 4
; CHECK-NEXT: ret i32 [[TMP1]]
;
entry:
%tmp1 = load i32, ptr %a, align 4
ret i32 %tmp1
}
define void @test_store_unk(ptr %a) sanitize_type {
; CHECK-LABEL: @test_store_unk(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[APP_MEM_MASK:%.*]] = load i64, ptr @__tysan_app_memory_mask, align 8
; CHECK-NEXT: [[SHADOW_BASE:%.*]] = load i64, ptr @__tysan_shadow_memory_address, align 8
; CHECK-NEXT: [[APP_PTR_INT:%.*]] = ptrtoint ptr [[A:%.*]] to i64
; CHECK-NEXT: [[APP_PTR_MASKED:%.*]] = and i64 [[APP_PTR_INT]], [[APP_MEM_MASK]]
; CHECK-NEXT: [[APP_PTR_SHIFTED:%.*]] = shl i64 [[APP_PTR_MASKED]], 3
; CHECK-NEXT: [[SHADOW_PTR_INT:%.*]] = add i64 [[APP_PTR_SHIFTED]], [[SHADOW_BASE]]
; CHECK-NEXT: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_PTR_INT]] to ptr
; CHECK-NEXT: [[SHADOW_DESC:%.*]] = load ptr, ptr [[SHADOW_PTR]], align 8
; CHECK-NEXT: [[BAD_DESC:%.*]] = icmp ne ptr [[SHADOW_DESC]], null
; CHECK-NEXT: br i1 [[BAD_DESC]], label [[TMP0:%.*]], label [[TMP22:%.*]], !prof [[PROF0]]
; CHECK: 0:
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq ptr [[SHADOW_DESC]], null
; CHECK-NEXT: br i1 [[TMP1]], label [[TMP2:%.*]], label [[TMP20:%.*]]
; CHECK: 2:
; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[SHADOW_PTR_INT]], 8
; CHECK-NEXT: [[TMP4:%.*]] = inttoptr i64 [[TMP3]] to ptr
; CHECK-NEXT: [[TMP5:%.*]] = load ptr, ptr [[TMP4]], align 8
; CHECK-NEXT: [[TMP6:%.*]] = icmp ne ptr [[TMP5]], null
; CHECK-NEXT: [[TMP7:%.*]] = or i1 false, [[TMP6]]
; CHECK-NEXT: [[TMP8:%.*]] = add i64 [[SHADOW_PTR_INT]], 16
; CHECK-NEXT: [[TMP9:%.*]] = inttoptr i64 [[TMP8]] to ptr
; CHECK-NEXT: [[TMP10:%.*]] = load ptr, ptr [[TMP9]], align 8
; CHECK-NEXT: [[TMP11:%.*]] = icmp ne ptr [[TMP10]], null
; CHECK-NEXT: [[TMP12:%.*]] = or i1 [[TMP7]], [[TMP11]]
; CHECK-NEXT: [[TMP13:%.*]] = add i64 [[SHADOW_PTR_INT]], 24
; CHECK-NEXT: [[TMP14:%.*]] = inttoptr i64 [[TMP13]] to ptr
; CHECK-NEXT: [[TMP15:%.*]] = load ptr, ptr [[TMP14]], align 8
; CHECK-NEXT: [[TMP16:%.*]] = icmp ne ptr [[TMP15]], null
; CHECK-NEXT: [[TMP17:%.*]] = or i1 [[TMP12]], [[TMP16]]
; CHECK-NEXT: br i1 [[TMP17]], label [[TMP18:%.*]], label [[TMP19:%.*]], !prof [[PROF0]]
; CHECK: 18:
; CHECK-NEXT: call void @__tysan_check(ptr [[A]], i32 4, ptr null, i32 2)
; CHECK-NEXT: br label [[TMP19]]
; CHECK: 19:
; CHECK-NEXT: store ptr null, ptr [[SHADOW_PTR]], align 8
; CHECK-NEXT: [[SHADOW_BYTE_1_OFFSET:%.*]] = add i64 [[SHADOW_PTR_INT]], 8
; CHECK-NEXT: [[SHADOW_BYTE_1_PTR:%.*]] = inttoptr i64 [[SHADOW_BYTE_1_OFFSET]] to ptr
; CHECK-NEXT: store ptr inttoptr (i64 -1 to ptr), ptr [[SHADOW_BYTE_1_PTR]], align 8
; CHECK-NEXT: [[SHADOW_BYTE_2_OFFSET:%.*]] = add i64 [[SHADOW_PTR_INT]], 16
; CHECK-NEXT: [[SHADOW_BYTE_2_PTR:%.*]] = inttoptr i64 [[SHADOW_BYTE_2_OFFSET]] to ptr
; CHECK-NEXT: store ptr inttoptr (i64 -2 to ptr), ptr [[SHADOW_BYTE_2_PTR]], align 8
; CHECK-NEXT: [[SHADOW_BYTE_3_OFFSET:%.*]] = add i64 [[SHADOW_PTR_INT]], 24
; CHECK-NEXT: [[SHADOW_BYTE_3_PTR:%.*]] = inttoptr i64 [[SHADOW_BYTE_3_OFFSET]] to ptr
; CHECK-NEXT: store ptr inttoptr (i64 -3 to ptr), ptr [[SHADOW_BYTE_3_PTR]], align 8
; CHECK-NEXT: br label [[TMP21:%.*]]
; CHECK: 20:
; CHECK-NEXT: call void @__tysan_check(ptr [[A]], i32 4, ptr null, i32 2)
; CHECK-NEXT: br label [[TMP21]]
; CHECK: 21:
; CHECK-NEXT: br label [[TMP43:%.*]]
; CHECK: 22:
; CHECK-NEXT: [[TMP23:%.*]] = add i64 [[SHADOW_PTR_INT]], 8
; CHECK-NEXT: [[TMP24:%.*]] = inttoptr i64 [[TMP23]] to ptr
; CHECK-NEXT: [[TMP25:%.*]] = load ptr, ptr [[TMP24]], align 8
; CHECK-NEXT: [[TMP26:%.*]] = ptrtoint ptr [[TMP25]] to i64
; CHECK-NEXT: [[TMP27:%.*]] = icmp sge i64 [[TMP26]], 0
; CHECK-NEXT: [[TMP28:%.*]] = or i1 false, [[TMP27]]
; CHECK-NEXT: [[TMP29:%.*]] = add i64 [[SHADOW_PTR_INT]], 16
; CHECK-NEXT: [[TMP30:%.*]] = inttoptr i64 [[TMP29]] to ptr
; CHECK-NEXT: [[TMP31:%.*]] = load ptr, ptr [[TMP30]], align 8
; CHECK-NEXT: [[TMP32:%.*]] = ptrtoint ptr [[TMP31]] to i64
; CHECK-NEXT: [[TMP33:%.*]] = icmp sge i64 [[TMP32]], 0
; CHECK-NEXT: [[TMP34:%.*]] = or i1 [[TMP28]], [[TMP33]]
; CHECK-NEXT: [[TMP35:%.*]] = add i64 [[SHADOW_PTR_INT]], 24
; CHECK-NEXT: [[TMP36:%.*]] = inttoptr i64 [[TMP35]] to ptr
; CHECK-NEXT: [[TMP37:%.*]] = load ptr, ptr [[TMP36]], align 8
; CHECK-NEXT: [[TMP38:%.*]] = ptrtoint ptr [[TMP37]] to i64
; CHECK-NEXT: [[TMP39:%.*]] = icmp sge i64 [[TMP38]], 0
; CHECK-NEXT: [[TMP40:%.*]] = or i1 [[TMP34]], [[TMP39]]
; CHECK-NEXT: br i1 [[TMP40]], label [[TMP41:%.*]], label [[TMP42:%.*]], !prof [[PROF0]]
; CHECK: 41:
; CHECK-NEXT: call void @__tysan_check(ptr [[A]], i32 4, ptr null, i32 2)
; CHECK-NEXT: br label [[TMP42]]
; CHECK: 42:
; CHECK-NEXT: br label [[TMP43]]
; CHECK: 43:
; CHECK-NEXT: store i32 42, ptr [[A]], align 4
; CHECK-NEXT: ret void
;
entry:
store i32 42, ptr %a, align 4
ret void
}
|
