1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -O2 -mtriple mipsel--linux-android -mattr=+dsp -verify-machineinstrs | FileCheck %s 3 4 ; Function below generates a v2i16 to f32 bitcast. 5 ; Test that we are able to match it. 6 7 define float @f(<8 x i16>* %a) { 8 ; CHECK-LABEL: f: 9 ; CHECK: # %bb.0: # %entry 10 ; CHECK-NEXT: addiu $sp, $sp, -32 11 ; CHECK-NEXT: .cfi_def_cfa_offset 32 12 ; CHECK-NEXT: sw $fp, 28($sp) # 4-byte Folded Spill 13 ; CHECK-NEXT: .cfi_offset 30, -4 14 ; CHECK-NEXT: move $fp, $sp 15 ; CHECK-NEXT: .cfi_def_cfa_register 30 16 ; CHECK-NEXT: addiu $1, $zero, -16 17 ; CHECK-NEXT: and $sp, $sp, $1 18 ; CHECK-NEXT: lw $1, 8($4) 19 ; CHECK-NEXT: lw $2, 4($4) 20 ; CHECK-NEXT: lw $3, 12($4) 21 ; CHECK-NEXT: sw $3, 12($sp) 22 ; CHECK-NEXT: sw $1, 8($sp) 23 ; CHECK-NEXT: sw $2, 4($sp) 24 ; CHECK-NEXT: lw $1, 0($4) 25 ; CHECK-NEXT: sw $1, 0($sp) 26 ; CHECK-NEXT: mtc1 $1, $f0 27 ; CHECK-NEXT: move $sp, $fp 28 ; CHECK-NEXT: lw $fp, 28($sp) # 4-byte Folded Reload 29 ; CHECK-NEXT: jr $ra 30 ; CHECK-NEXT: addiu $sp, $sp, 32 31 ; CHECK-NEXT: .set at 32 ; CHECK-NEXT: .set macro 33 ; CHECK-NEXT: .set reorder 34 ; CHECK-NEXT: .end f 35 entry: 36 %m = alloca <8 x i16> 37 %0 = load <8 x i16>, <8 x i16>* %a 38 store <8 x i16> %0, <8 x i16>* %m 39 %1 = bitcast <8 x i16> %0 to <4 x float> 40 %2 = shufflevector <4 x float> %1, <4 x float> undef, <8 x i32> <i32 0, i32 3, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef> 41 %3 = shufflevector <8 x float> zeroinitializer, <8 x float> %2, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 4, i32 5, i32 6, i32 7> 42 %4 = bitcast <8 x float> %3 to <8 x i32> 43 %5 = extractelement <8 x i32> %4, i32 0 44 %6 = bitcast i32 %5 to float 45 ret float %6 46 } 47 48
