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      1 // RUN: %clang_cc1 -triple thumbv7-none-linux-gnueabihf \
      2 // RUN:   -target-abi aapcs \
      3 // RUN:   -target-cpu cortex-a7 \
      4 // RUN:   -mfloat-abi hard \
      5 // RUN:   -ffreestanding \
      6 // RUN:   -emit-llvm -o - %s | opt -S -mem2reg | FileCheck %s
      7 
      8 #include <arm_neon.h>
      9 
     10 // CHECK-LABEL: define <2 x float> @test_fma_order(<2 x float> %accum, <2 x float> %lhs, <2 x float> %rhs) #0 {
     11 // CHECK:   [[TMP0:%.*]] = bitcast <2 x float> %accum to <8 x i8>
     12 // CHECK:   [[TMP1:%.*]] = bitcast <2 x float> %lhs to <8 x i8>
     13 // CHECK:   [[TMP2:%.*]] = bitcast <2 x float> %rhs to <8 x i8>
     14 // CHECK:   [[TMP3:%.*]] = bitcast <8 x i8> [[TMP0]] to <2 x float>
     15 // CHECK:   [[TMP4:%.*]] = bitcast <8 x i8> [[TMP1]] to <2 x float>
     16 // CHECK:   [[TMP5:%.*]] = bitcast <8 x i8> [[TMP2]] to <2 x float>
     17 // CHECK:   [[TMP6:%.*]] = call <2 x float> @llvm.fma.v2f32(<2 x float> [[TMP4]], <2 x float> [[TMP5]], <2 x float> [[TMP3]]) #2
     18 // CHECK:   ret <2 x float> [[TMP6]]
     19 float32x2_t test_fma_order(float32x2_t accum, float32x2_t lhs, float32x2_t rhs) {
     20   return vfma_f32(accum, lhs, rhs);
     21 }
     22 
     23 // CHECK-LABEL: define <4 x float> @test_fmaq_order(<4 x float> %accum, <4 x float> %lhs, <4 x float> %rhs) #0 {
     24 // CHECK:   [[TMP0:%.*]] = bitcast <4 x float> %accum to <16 x i8>
     25 // CHECK:   [[TMP1:%.*]] = bitcast <4 x float> %lhs to <16 x i8>
     26 // CHECK:   [[TMP2:%.*]] = bitcast <4 x float> %rhs to <16 x i8>
     27 // CHECK:   [[TMP3:%.*]] = bitcast <16 x i8> [[TMP0]] to <4 x float>
     28 // CHECK:   [[TMP4:%.*]] = bitcast <16 x i8> [[TMP1]] to <4 x float>
     29 // CHECK:   [[TMP5:%.*]] = bitcast <16 x i8> [[TMP2]] to <4 x float>
     30 // CHECK:   [[TMP6:%.*]] = call <4 x float> @llvm.fma.v4f32(<4 x float> [[TMP4]], <4 x float> [[TMP5]], <4 x float> [[TMP3]]) #2
     31 // CHECK:   ret <4 x float> [[TMP6]]
     32 float32x4_t test_fmaq_order(float32x4_t accum, float32x4_t lhs, float32x4_t rhs) {
     33   return vfmaq_f32(accum, lhs, rhs);
     34 }
     35