clang/test/Preprocessor/embed_codegen.cpp

   1 // RUN: %clang_cc1 %s -triple x86_64 --embed-dir=%S/Inputs -emit-llvm -o - | FileCheck %s
   2
   3 // CHECK: @__const._Z3fooi.ca = private unnamed_addr constant [3 x i32] [i32 0, i32 106, i32 107], align 4
   4 // CHECK: @__const._Z3fooi.sc = private unnamed_addr constant %struct.S1 { i32 106, i32 107, i32 0 }, align 4
   5 // CHECK: @__const._Z3fooi.t = private unnamed_addr constant [3 x %struct.T] [%struct.T { [2 x i32] [i32 48, i32 49], %struct.S1 { i32 50, i32 51, i32 52 } }, %struct.T { [2 x i32] [i32 53, i32 54], %struct.S1 { i32 55, i32 56, i32 57 } }, %struct.T { [2 x i32] [i32 10, i32 0], %struct.S1 zeroinitializer }], align 16
   6 // CHECK: @__const._Z3fooi.W = private unnamed_addr constant %struct.Wrapper { i32 48, %struct.HasCharArray { [10 x i8] c"123456789\0A" } }, align 4
   7 void foo(int a) {
   8 // CHECK: %a.addr = alloca i32, align 4
   9 // CHECK: store i32 %a, ptr %a.addr, align 4
  10 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %ca, ptr align 4 @__const._Z3fooi.ca, i64 12, i1 false)
  11 int ca[] = {
  12 0
  13 #embed <jk.txt> prefix(,)
  14 };
  15
  16 // CHECK: %arrayinit.element = getelementptr inbounds i32, ptr %notca, i64 1
  17 // CHECK: store i32 106, ptr %arrayinit.element, align 4
  18 // CHECK: %arrayinit.element1 = getelementptr inbounds i32, ptr %notca, i64 2
  19 // CHECK: store i32 107, ptr %arrayinit.element1, align 4
  20 int notca[] = {
  21 a
  22 #embed <jk.txt> prefix(,)
  23 };
  24
  25 struct S1 {
  26   int x, y, z;
  27 };
  28
  29 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %sc, ptr align 4 @__const._Z3fooi.sc, i64 12, i1 false)
  30 S1 sc = {
  31 #embed <jk.txt> suffix(,)
  32 0
  33 };
  34
  35 // CHECK: %x = getelementptr inbounds nuw %struct.S1, ptr %s, i32 0, i32 0
  36 // CHECK: store i32 106, ptr %x, align 4
  37 // CHECK: %y = getelementptr inbounds nuw %struct.S1, ptr %s, i32 0, i32 1
  38 // CHECK: store i32 107, ptr %y, align 4
  39 // CHECK: %z = getelementptr inbounds nuw %struct.S1, ptr %s, i32 0, i32 2
  40 // CHECK: %1 = load i32, ptr %a.addr, align 4
  41 S1 s = {
  42 #embed <jk.txt> suffix(,)
  43 a
  44 };
  45
  46 // CHECK: store i32 107, ptr %b, align 4
  47 int b = (
  48 #embed<jk.txt>
  49     )
  50 ;
  51
  52
  53 struct T {
  54   int arr[2];
  55   struct S1 s;
  56 };
  57
  58 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 16 %t, ptr align 16 @__const._Z3fooi.t, i64 60, i1 false)
  59 constexpr struct T t[] = {
  60 #embed <numbers.txt>
  61 };
  62
  63 // CHECK:  %arr = getelementptr inbounds nuw %struct.T, ptr %tnonc, i32 0, i32 0
  64 // CHECK:  %2 = load i32, ptr %a.addr, align 4
  65 // CHECK:  store i32 %2, ptr %arr, align 4
  66 // CHECK:  %arrayinit.element2 = getelementptr inbounds i32, ptr %arr, i64 1
  67 // CHECK:  store i32 300, ptr %arrayinit.element2, align 4
  68 // CHECK:  %s3 = getelementptr inbounds nuw %struct.T, ptr %tnonc, i32 0, i32 1
  69 // CHECK:  %x4 = getelementptr inbounds nuw %struct.S1, ptr %s3, i32 0, i32 0
  70 // CHECK:  store i32 1, ptr %x4, align 4
  71 // CHECK:  %y5 = getelementptr inbounds nuw %struct.S1, ptr %s3, i32 0, i32 1
  72 // CHECK:  store i32 2, ptr %y5, align 4
  73 // CHECK:  %z6 = getelementptr inbounds nuw %struct.S1, ptr %s3, i32 0, i32 2
  74 // CHECK:  store i32 3, ptr %z6, align 4
  75 // CHECK:  %arrayinit.element7 = getelementptr inbounds %struct.T, ptr %tnonc, i64 1
  76 // CHECK:  call void @llvm.memset.p0.i64(ptr align 4 %arrayinit.element7, i8 0, i64 20, i1 false)
  77 // CHECK:  %arr8 = getelementptr inbounds nuw %struct.T, ptr %arrayinit.element7, i32 0, i32 0
  78 // CHECK:  store i32 106, ptr %arr8, align 4
  79 // CHECK:  %arrayinit.element9 = getelementptr inbounds i32, ptr %arr8, i64 1
  80 // CHECK:  store i32 107, ptr %arrayinit.element9, align 4
  81 struct T tnonc[] = {
  82   a, 300, 1, 2, 3
  83 #embed <jk.txt> prefix(,)
  84 };
  85
  86
  87 struct HasCharArray { unsigned char h[10]; };
  88 struct Wrapper { int a; struct HasCharArray d;  };
  89 constexpr struct Wrapper W = {
  90 #embed "numbers.txt"
  91 };
  92
  93 }