clang/test/CodeGen/aarch64-strictfp-builtins.c

   1 // RUN: %clang_cc1 %s -emit-llvm -ffp-exception-behavior=maytrap -o - -triple arm64-none-linux-gnu | FileCheck %s
   2
   3 // Test that the constrained intrinsics are picking up the exception
   4 // metadata from the AST instead of the global default from the command line.
   5
   6 #pragma float_control(except, on)
   7
   8 int printf(const char *, ...);
   9
  10 // CHECK-LABEL: @p(
  11 // CHECK-NEXT:  entry:
  12 // CHECK-NEXT:    [[STR_ADDR:%.*]] = alloca ptr, align 8
  13 // CHECK-NEXT:    [[X_ADDR:%.*]] = alloca i32, align 4
  14 // CHECK-NEXT:    store ptr [[STR:%.*]], ptr [[STR_ADDR]], align 8
  15 // CHECK-NEXT:    store i32 [[X:%.*]], ptr [[X_ADDR]], align 4
  16 // CHECK-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[STR_ADDR]], align 8
  17 // CHECK-NEXT:    [[TMP1:%.*]] = load i32, ptr [[X_ADDR]], align 4
  18 // CHECK-NEXT:    [[CALL:%.*]] = call i32 (ptr, ...) @printf(ptr noundef @.str, ptr noundef [[TMP0]], i32 noundef [[TMP1]])  [[ATTR4:#.*]]
  19 // CHECK-NEXT:    ret void
  20 //
  21 void p(char *str, int x) {
  22   printf("%s: %d\n", str, x);
  23 }
  24
  25 #define P(n,args) p(#n #args, __builtin_##n args)
  26
  27 // CHECK-LABEL: @test_long_double_isinf(
  28 // CHECK-NEXT:  entry:
  29 // CHECK-NEXT:    [[LD_ADDR:%.*]] = alloca fp128, align 16
  30 // CHECK-NEXT:    store fp128 [[D:%.*]], ptr [[LD_ADDR]], align 16
  31 // CHECK-NEXT:    [[TMP0:%.*]] = load fp128, ptr [[LD_ADDR]], align 16
  32 // CHECK-NEXT:    [[TMP1:%.*]] = call i1 @llvm.is.fpclass.f128(fp128 [[TMP0]], i32 516)
  33 // CHECK-NEXT:    [[RES:%.*]] = zext i1 [[TMP1]] to i32
  34 // CHECK-NEXT:    call void @p(ptr noundef @.str.[[#STRID:1]], i32 noundef [[RES]]) [[ATTR4]]
  35 // CHECK-NEXT:    ret void
  36 //
  37 void test_long_double_isinf(long double ld) {
  38   P(isinf, (ld));
  39
  40   return;
  41 }
  42
  43 // CHECK-LABEL: @test_long_double_isfinite(
  44 // CHECK-NEXT:  entry:
  45 // CHECK-NEXT:    [[LD_ADDR:%.*]] = alloca fp128, align 16
  46 // CHECK-NEXT:    store fp128 [[D:%.*]], ptr [[LD_ADDR]], align 16
  47 // CHECK-NEXT:    [[TMP0:%.*]] = load fp128, ptr [[LD_ADDR]], align 16
  48 // CHECK-NEXT:    [[TMP1:%.*]] = call i1 @llvm.is.fpclass.f128(fp128 [[TMP0]], i32 504)
  49 // CHECK-NEXT:    [[RES:%.*]] = zext i1 [[TMP1]] to i32
  50 // CHECK-NEXT:    call void @p(ptr noundef @.str.[[#STRID:STRID+1]], i32 noundef [[RES]]) [[ATTR4]]
  51 // CHECK-NEXT:    ret void
  52 //
  53 void test_long_double_isfinite(long double ld) {
  54   P(isfinite, (ld));
  55
  56   return;
  57 }
  58
  59 // CHECK-LABEL: @test_long_double_isnan(
  60 // CHECK-NEXT:  entry:
  61 // CHECK-NEXT:    [[LD_ADDR:%.*]] = alloca fp128, align 16
  62 // CHECK-NEXT:    store fp128 [[D:%.*]], ptr [[LD_ADDR]], align 16
  63 // CHECK-NEXT:    [[TMP0:%.*]] = load fp128, ptr [[LD_ADDR]], align 16
  64 // CHECK-NEXT:    [[TMP1:%.*]] = call i1 @llvm.is.fpclass.f128(fp128 [[TMP0]], i32 3)
  65 // CHECK-NEXT:    [[RES:%.*]] = zext i1 [[TMP1]] to i32
  66 // CHECK-NEXT:    call void @p(ptr noundef @.str.[[#STRID:STRID+1]], i32 noundef [[RES]])
  67 // CHECK-NEXT:    ret void
  68 //
  69 void test_long_double_isnan(long double ld) {
  70   P(isnan, (ld));
  71
  72   return;
  73 }