clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_reinterpret_from_streaming_mode.c

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
   2 // REQUIRES: aarch64-registered-target
   3 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
   4 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
   5 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
   6 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
   7 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -S -O1 -Werror -Wall -o /dev/null %s
   8
   9 // Note: We need to run this test with '-O1' because oddly enough the svreinterpret is always inlined at -O0.
  10
  11 #include <arm_sve.h>
  12
  13 #ifdef SVE_OVERLOADED_FORMS
  14 // A simple used,unused... macro, long enough to represent any SVE builtin.
  15 #define SVE_ACLE_FUNC(A1,A2_UNUSED,A3,A4_UNUSED) A1##A3
  16 #else
  17 #define SVE_ACLE_FUNC(A1,A2,A3,A4) A1##A2##A3##A4
  18 #endif
  19
  20 // Test that svreinterpret is inlined (because it should be streaming-compatible)
  21 __attribute__((target("sme")))
  22 // CHECK-LABEL: @test_svreinterpret_s16_s8_from_streaming_mode(
  23 // CHECK-NEXT:  entry:
  24 // CHECK-NEXT:    [[TMP0:%.*]] = bitcast <vscale x 16 x i8> [[OP:%.*]] to <vscale x 8 x i16>
  25 // CHECK-NEXT:    ret <vscale x 8 x i16> [[TMP0]]
  26 //
  27 // CPP-CHECK-LABEL: @_Z45test_svreinterpret_s16_s8_from_streaming_modeu10__SVInt8_t(
  28 // CPP-CHECK-NEXT:  entry:
  29 // CPP-CHECK-NEXT:    [[TMP0:%.*]] = bitcast <vscale x 16 x i8> [[OP:%.*]] to <vscale x 8 x i16>
  30 // CPP-CHECK-NEXT:    ret <vscale x 8 x i16> [[TMP0]]
  31 //
  32 svint16_t test_svreinterpret_s16_s8_from_streaming_mode(svint8_t op) __arm_streaming {
  33   return SVE_ACLE_FUNC(svreinterpret_s16,_s8,,)(op);
  34 }
  35