clang/test/Profile/c-mcdc-not.c

   1 // RUN: %clang_cc1 -triple %itanium_abi_triple %s -o - -emit-llvm -fprofile-instrument=clang -fcoverage-mapping -fcoverage-mcdc | FileCheck %s -check-prefix=MCDC
   2 // RUN: %clang_cc1 -triple %itanium_abi_triple %s -o - -emit-llvm -fprofile-instrument=clang -fcoverage-mapping | FileCheck %s -check-prefix=NOMCDC
   3
   4 int test(int a, int b, int c, int d, int e, int f) {
   5   return ((!a && b) || ((!c && d) || (e && !f)));
   6 }
   7
   8 // NOMCDC-NOT: %mcdc.addr
   9 // NOMCDC-NOT: __profbm_test
  10
  11 // MCDC BOOKKEEPING.
  12 // MCDC: @__profbm_test = private global [2 x i8] zeroinitializer
  13 // MCDC: @__profc_test = private global [9 x i64] zeroinitializer
  14
  15 // ALLOCATE MCDC TEMP AND ZERO IT.
  16 // MCDC-LABEL: @test(
  17 // MCDC: %mcdc.addr = alloca i32, align 4
  18 // MCDC: store i32 0, ptr %mcdc.addr, align 4
  19
  20 // SHIFT FIRST CONDITION WITH ID = 0.
  21 // MCDC:  %[[LAB1:[0-9]+]] = load i32, ptr %a.addr, align 4
  22 // MCDC-DAG:  %[[BOOL:tobool[0-9]*]] = icmp ne i32 %[[LAB1]], 0
  23 // MCDC-DAG:  %[[LNOT:lnot[0-9]*]] = xor i1 %[[BOOL]]
  24 // MCDC-DAG:  %[[TEMP:mcdc.*]] = load i32, ptr %mcdc.addr, align 4
  25 // MCDC-DAG:  %[[LAB2:[0-9]+]] = add i32 %[[TEMP]], 0
  26 // MCDC-DAG:  %[[LAB3:[0-9]+]] = add i32 %[[TEMP]], 0
  27 // MCDC-DAG:  %[[LAB4:[0-9]+]] = select i1 %[[LNOT]], i32 %[[LAB2]], i32 %[[LAB3]]
  28 // MCDC-DAG:  store i32 %[[LAB4]], ptr %mcdc.addr, align 4
  29
  30 // SHIFT SECOND CONDITION WITH ID = 2.
  31 // MCDC:  %[[LAB1:[0-9]+]] = load i32, ptr %b.addr, align 4
  32 // MCDC-DAG:  %[[BOOL:tobool[0-9]*]] = icmp ne i32 %[[LAB1]], 0
  33 // MCDC-DAG:  %[[TEMP:mcdc.*]] = load i32, ptr %mcdc.addr, align 4
  34 // MCDC-DAG:  %[[LAB2:[0-9]+]] = add i32 %[[TEMP]], 14
  35 // MCDC-DAG:  %[[LAB3:[0-9]+]] = add i32 %[[TEMP]], 1
  36 // MCDC-DAG:  %[[LAB4:[0-9]+]] = select i1 %[[BOOL]], i32 %[[LAB2]], i32 %[[LAB3]]
  37 // MCDC-DAG:  store i32 %[[LAB4]], ptr %mcdc.addr, align 4
  38
  39 // SHIFT THIRD CONDITION WITH ID = 1.
  40 // MCDC:  %[[LAB1:[0-9]+]] = load i32, ptr %c.addr, align 4
  41 // MCDC-DAG:  %[[BOOL:tobool[0-9]*]] = icmp ne i32 %[[LAB1]], 0
  42 // MCDC-DAG:  %[[LNOT:lnot[0-9]*]] = xor i1 %[[BOOL]]
  43 // MCDC-DAG:  %[[TEMP:mcdc.*]] = load i32, ptr %mcdc.addr, align 4
  44 // MCDC-DAG:  %[[LAB2:[0-9]+]] = add i32 %[[TEMP]], 0
  45 // MCDC-DAG:  %[[LAB3:[0-9]+]] = add i32 %[[TEMP]], 0
  46 // MCDC-DAG:  %[[LAB4:[0-9]+]] = select i1 %[[LNOT]], i32 %[[LAB2]], i32 %[[LAB3]]
  47 // MCDC-DAG:  store i32 %[[LAB4]], ptr %mcdc.addr, align 4
  48
  49 // SHIFT FOURTH CONDITION WITH ID = 4.
  50 // MCDC:  %[[LAB1:[0-9]+]] = load i32, ptr %d.addr, align 4
  51 // MCDC-DAG:  %[[BOOL:tobool[0-9]*]] = icmp ne i32 %[[LAB1]], 0
  52 // MCDC-DAG:  %[[TEMP:mcdc.*]] = load i32, ptr %mcdc.addr, align 4
  53 // MCDC-DAG:  %[[LAB2:[0-9]+]] = add i32 %[[TEMP]], 12
  54 // MCDC-DAG:  %[[LAB3:[0-9]+]] = add i32 %[[TEMP]], 2
  55 // MCDC-DAG:  %[[LAB4:[0-9]+]] = select i1 %[[BOOL]], i32 %[[LAB2]], i32 %[[LAB3]]
  56 // MCDC-DAG:  store i32 %[[LAB4]], ptr %mcdc.addr, align 4
  57
  58 // SHIFT FIFTH CONDITION WITH ID = 3.
  59 // MCDC:  %[[LAB1:[0-9]+]] = load i32, ptr %e.addr, align 4
  60 // MCDC-DAG:  %[[BOOL:tobool[0-9]*]] = icmp ne i32 %[[LAB1]], 0
  61 // MCDC-DAG:  %[[TEMP:mcdc.*]] = load i32, ptr %mcdc.addr, align 4
  62 // MCDC-DAG:  %[[LAB2:[0-9]+]] = add i32 %[[TEMP]], 0
  63 // MCDC-DAG:  %[[LAB3:[0-9]+]] = add i32 %[[TEMP]], 0
  64 // MCDC-DAG:  %[[LAB4:[0-9]+]] = select i1 %[[BOOL]], i32 %[[LAB2]], i32 %[[LAB3]]
  65 // MCDC-DAG:  store i32 %[[LAB4]], ptr %mcdc.addr, align 4
  66
  67 // SHIFT SIXTH CONDITION WITH ID = 5.
  68 // MCDC:  %[[LAB1:[0-9]+]] = load i32, ptr %f.addr, align 4
  69 // MCDC-DAG:  %[[BOOL:tobool[0-9]*]] = icmp ne i32 %[[LAB1]], 0
  70 // MCDC-DAG:  %[[LNOT:lnot[0-9]*]] = xor i1 %[[BOOL]]
  71 // MCDC-DAG:  %[[TEMP:mcdc.*]] = load i32, ptr %mcdc.addr, align 4
  72 // MCDC-DAG:  %[[LAB2:[0-9]+]] = add i32 %[[TEMP]], 8
  73 // MCDC-DAG:  %[[LAB3:[0-9]+]] = add i32 %[[TEMP]], 4
  74 // MCDC-DAG:  %[[LAB4:[0-9]+]] = select i1 %[[LNOT]], i32 %[[LAB2]], i32 %[[LAB3]]
  75 // MCDC-DAG:  store i32 %[[LAB4]], ptr %mcdc.addr, align 4
  76
  77 // UPDATE FINAL BITMASK WITH RESULT.
  78 // MCDC-DAG:  %[[TEMP0:mcdc.temp[0-9]*]] = load i32, ptr %mcdc.addr, align 4
  79 // MCDC:  %[[TEMP:[0-9]+]] = add i32 %[[TEMP0]], 0
  80 // MCDC:  %[[LAB1:[0-9]+]] = lshr i32 %[[TEMP]], 3
  81 // MCDC:  %[[LAB4:[0-9]+]] = getelementptr inbounds i8, ptr @__profbm_test, i32 %[[LAB1]]
  82 // MCDC:  %[[LAB5:[0-9]+]] = and i32 %[[TEMP]], 7
  83 // MCDC:  %[[LAB6:[0-9]+]] = trunc i32 %[[LAB5]] to i8
  84 // MCDC:  %[[LAB7:[0-9]+]] = shl i8 1, %[[LAB6]]
  85 // MCDC:  %[[BITS:.+]] = load i8, ptr %[[LAB4]], align 1
  86 // MCDC:  %[[LAB8:[0-9]+]] = or i8 %[[BITS]], %[[LAB7]]
  87 // MCDC:  store i8 %[[LAB8]], ptr %[[LAB4]], align 1