clang/test/CodeGen/annotations-var.c

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o %t1 %s
   2 // RUN: FileCheck --check-prefix=LOCAL %s < %t1
   3 // RUN: FileCheck --check-prefix=UNDEF %s < %t1
   4 // RUN: FileCheck --check-prefix=PARAM %s < %t1
   5 // END.
   6
   7 // LOCAL: private unnamed_addr constant [15 x i8] c"localvar_ann_{{.}}\00", section "llvm.metadata"
   8 // LOCAL: private unnamed_addr constant [15 x i8] c"localvar_ann_{{.}}\00", section "llvm.metadata"
   9
  10 // UNDEF: private unnamed_addr constant [15 x i8] c"undefvar_ann_0\00", section "llvm.metadata"
  11
  12 // PARAM: private unnamed_addr constant [12 x i8] c"param_ann_{{.}}\00", section "llvm.metadata"
  13 // PARAM: private unnamed_addr constant [12 x i8] c"param_ann_{{.}}\00", section "llvm.metadata"
  14 // PARAM: private unnamed_addr constant [12 x i8] c"param_ann_{{.}}\00", section "llvm.metadata"
  15 // PARAM: private unnamed_addr constant [12 x i8] c"param_ann_{{.}}\00", section "llvm.metadata"
  16
  17 int foo(int v __attribute__((annotate("param_ann_2"))) __attribute__((annotate("param_ann_3"))));
  18 int foo(int v __attribute__((annotate("param_ann_0"))) __attribute__((annotate("param_ann_1")))) {
  19     return v + 1;
  20 // PARAM: define {{.*}}@foo
  21 // PARAM:      [[V:%.*]] = alloca i32
  22 // PARAM:      call void @llvm.var.annotation.p0.p0(
  23 // PARAM-NEXT: call void @llvm.var.annotation.p0.p0(
  24 // PARAM-NEXT: call void @llvm.var.annotation.p0.p0(
  25 // PARAM-NEXT: call void @llvm.var.annotation.p0.p0(
  26 }
  27
  28 void local(void) {
  29     int localvar __attribute__((annotate("localvar_ann_0"))) __attribute__((annotate("localvar_ann_1"))) = 3;
  30 // LOCAL-LABEL: define{{.*}} void @local()
  31 // LOCAL:      [[LOCALVAR:%.*]] = alloca i32,
  32 // LOCAL-NEXT: call void @llvm.var.annotation.p0.p0(ptr [[LOCALVAR]], ptr @{{.*}}, ptr @{{.*}}, i32 29, ptr null)
  33 // LOCAL-NEXT: call void @llvm.var.annotation.p0.p0(ptr [[LOCALVAR]], ptr @{{.*}}, ptr @{{.*}}, i32 29, ptr null)
  34 }
  35
  36 void local_after_return(void) {
  37     return;
  38     int localvar __attribute__((annotate("localvar_after_return"))) = 3;
  39 // Test we are not emitting instructions like bitcast or call outside of a basic block.
  40 // LOCAL-LABEL: define{{.*}} void @local_after_return()
  41 // LOCAL:      [[LOCALVAR:%.*]] = alloca i32,
  42 // LOCAL-NEXT: ret void
  43 }
  44
  45 void undef(void) {
  46     int undefvar __attribute__((annotate("undefvar_ann_0")));
  47 // UNDEF-LABEL: define{{.*}} void @undef()
  48 // UNDEF:      [[UNDEFVAR:%.*]] = alloca i32,
  49 // UNDEF-NEXT: call void @llvm.var.annotation.p0.p0(ptr [[UNDEFVAR]], ptr @{{.*}}, ptr @{{.*}}, i32 46, ptr null)
  50 }