clang/test/CodeGen/RISCV/__fp16-convert.c

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
   2 // RUN: %clang_cc1 -triple riscv64 -emit-llvm %s -o - \
   3 // RUN:   | FileCheck %s
   4
   5 __fp16 y;
   6 short z;
   7 // CHECK-LABEL: @bar1(
   8 // CHECK-NEXT:  entry:
   9 // CHECK-NEXT:    [[TMP0:%.*]] = load half, ptr @y, align 2
  10 // CHECK-NEXT:    [[CONV:%.*]] = fpext half [[TMP0]] to float
  11 // CHECK-NEXT:    [[CONV1:%.*]] = fptosi float [[CONV]] to i16
  12 // CHECK-NEXT:    store i16 [[CONV1]], ptr @z, align 2
  13 // CHECK-NEXT:    ret void
  14 //
  15 void bar1(){
  16     z = y;
  17 }
  18 // CHECK-LABEL: @bar2(
  19 // CHECK-NEXT:  entry:
  20 // CHECK-NEXT:    [[TMP0:%.*]] = load i16, ptr @z, align 2
  21 // CHECK-NEXT:    [[CONV:%.*]] = sitofp i16 [[TMP0]] to float
  22 // CHECK-NEXT:    [[CONV1:%.*]] = fptrunc float [[CONV]] to half
  23 // CHECK-NEXT:    store half [[CONV1]], ptr @y, align 2
  24 // CHECK-NEXT:    ret void
  25 //
  26 void bar2(){
  27     y = z;
  28 }