| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=mips-linux-gnu -march=mips -mcpu=mips32 | FileCheck %s --check-prefixes=CHECK,CHECK-BE |
| ; RUN: llc < %s -mtriple=mipsel-linux-gnu -march=mipsel -mcpu=mips32 | FileCheck %s --check-prefixes=CHECK,CHECK-LE |
| |
| declare i8 @llvm.fshl.i8(i8, i8, i8) |
| declare i16 @llvm.fshl.i16(i16, i16, i16) |
| declare i32 @llvm.fshl.i32(i32, i32, i32) |
| declare i64 @llvm.fshl.i64(i64, i64, i64) |
| declare <4 x i32> @llvm.fshl.v4i32(<4 x i32>, <4 x i32>, <4 x i32>) |
| |
| declare i8 @llvm.fshr.i8(i8, i8, i8) |
| declare i16 @llvm.fshr.i16(i16, i16, i16) |
| declare i32 @llvm.fshr.i32(i32, i32, i32) |
| declare i64 @llvm.fshr.i64(i64, i64, i64) |
| declare <4 x i32> @llvm.fshr.v4i32(<4 x i32>, <4 x i32>, <4 x i32>) |
| |
| ; General case - all operands can be variables. |
| |
| define i16 @fshl_i16(i16 %x, i16 %y, i16 %z) { |
| ; CHECK-LABEL: fshl_i16: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: andi $1, $5, 65535 |
| ; CHECK-NEXT: sll $2, $4, 16 |
| ; CHECK-NEXT: or $1, $2, $1 |
| ; CHECK-NEXT: andi $2, $6, 15 |
| ; CHECK-NEXT: sllv $1, $1, $2 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: srl $2, $1, 16 |
| %f = call i16 @llvm.fshl.i16(i16 %x, i16 %y, i16 %z) |
| ret i16 %f |
| } |
| |
| define i32 @fshl_i32(i32 %x, i32 %y, i32 %z) { |
| ; CHECK-LABEL: fshl_i32: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sllv $1, $4, $6 |
| ; CHECK-NEXT: not $2, $6 |
| ; CHECK-NEXT: srl $3, $5, 1 |
| ; CHECK-NEXT: srlv $2, $3, $2 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: or $2, $1, $2 |
| %f = call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 %z) |
| ret i32 %f |
| } |
| |
| ; Verify that weird types are minimally supported. |
| declare i37 @llvm.fshl.i37(i37, i37, i37) |
| define i37 @fshl_i37(i37 %x, i37 %y, i37 %z) { |
| ; CHECK-BE-LABEL: fshl_i37: |
| ; CHECK-BE: # %bb.0: |
| ; CHECK-BE-NEXT: addiu $sp, $sp, -40 |
| ; CHECK-BE-NEXT: .cfi_def_cfa_offset 40 |
| ; CHECK-BE-NEXT: sw $ra, 36($sp) # 4-byte Folded Spill |
| ; CHECK-BE-NEXT: sw $19, 32($sp) # 4-byte Folded Spill |
| ; CHECK-BE-NEXT: sw $18, 28($sp) # 4-byte Folded Spill |
| ; CHECK-BE-NEXT: sw $17, 24($sp) # 4-byte Folded Spill |
| ; CHECK-BE-NEXT: sw $16, 20($sp) # 4-byte Folded Spill |
| ; CHECK-BE-NEXT: .cfi_offset 31, -4 |
| ; CHECK-BE-NEXT: .cfi_offset 19, -8 |
| ; CHECK-BE-NEXT: .cfi_offset 18, -12 |
| ; CHECK-BE-NEXT: .cfi_offset 17, -16 |
| ; CHECK-BE-NEXT: .cfi_offset 16, -20 |
| ; CHECK-BE-NEXT: move $16, $7 |
| ; CHECK-BE-NEXT: move $17, $6 |
| ; CHECK-BE-NEXT: move $18, $5 |
| ; CHECK-BE-NEXT: move $19, $4 |
| ; CHECK-BE-NEXT: lw $1, 56($sp) |
| ; CHECK-BE-NEXT: andi $4, $1, 31 |
| ; CHECK-BE-NEXT: lw $5, 60($sp) |
| ; CHECK-BE-NEXT: addiu $6, $zero, 0 |
| ; CHECK-BE-NEXT: jal __umoddi3 |
| ; CHECK-BE-NEXT: addiu $7, $zero, 37 |
| ; CHECK-BE-NEXT: srl $1, $3, 5 |
| ; CHECK-BE-NEXT: andi $1, $1, 1 |
| ; CHECK-BE-NEXT: movn $19, $18, $1 |
| ; CHECK-BE-NEXT: sllv $2, $19, $3 |
| ; CHECK-BE-NEXT: not $4, $3 |
| ; CHECK-BE-NEXT: srl $5, $16, 5 |
| ; CHECK-BE-NEXT: sll $6, $17, 27 |
| ; CHECK-BE-NEXT: or $5, $6, $5 |
| ; CHECK-BE-NEXT: movn $18, $5, $1 |
| ; CHECK-BE-NEXT: srl $6, $18, 1 |
| ; CHECK-BE-NEXT: srlv $6, $6, $4 |
| ; CHECK-BE-NEXT: or $2, $2, $6 |
| ; CHECK-BE-NEXT: sllv $3, $18, $3 |
| ; CHECK-BE-NEXT: sll $6, $16, 27 |
| ; CHECK-BE-NEXT: movn $5, $6, $1 |
| ; CHECK-BE-NEXT: srl $1, $5, 1 |
| ; CHECK-BE-NEXT: srlv $1, $1, $4 |
| ; CHECK-BE-NEXT: or $3, $3, $1 |
| ; CHECK-BE-NEXT: lw $16, 20($sp) # 4-byte Folded Reload |
| ; CHECK-BE-NEXT: lw $17, 24($sp) # 4-byte Folded Reload |
| ; CHECK-BE-NEXT: lw $18, 28($sp) # 4-byte Folded Reload |
| ; CHECK-BE-NEXT: lw $19, 32($sp) # 4-byte Folded Reload |
| ; CHECK-BE-NEXT: lw $ra, 36($sp) # 4-byte Folded Reload |
| ; CHECK-BE-NEXT: jr $ra |
| ; CHECK-BE-NEXT: addiu $sp, $sp, 40 |
| ; |
| ; CHECK-LE-LABEL: fshl_i37: |
| ; CHECK-LE: # %bb.0: |
| ; CHECK-LE-NEXT: addiu $sp, $sp, -40 |
| ; CHECK-LE-NEXT: .cfi_def_cfa_offset 40 |
| ; CHECK-LE-NEXT: sw $ra, 36($sp) # 4-byte Folded Spill |
| ; CHECK-LE-NEXT: sw $19, 32($sp) # 4-byte Folded Spill |
| ; CHECK-LE-NEXT: sw $18, 28($sp) # 4-byte Folded Spill |
| ; CHECK-LE-NEXT: sw $17, 24($sp) # 4-byte Folded Spill |
| ; CHECK-LE-NEXT: sw $16, 20($sp) # 4-byte Folded Spill |
| ; CHECK-LE-NEXT: .cfi_offset 31, -4 |
| ; CHECK-LE-NEXT: .cfi_offset 19, -8 |
| ; CHECK-LE-NEXT: .cfi_offset 18, -12 |
| ; CHECK-LE-NEXT: .cfi_offset 17, -16 |
| ; CHECK-LE-NEXT: .cfi_offset 16, -20 |
| ; CHECK-LE-NEXT: move $16, $7 |
| ; CHECK-LE-NEXT: move $17, $6 |
| ; CHECK-LE-NEXT: move $18, $5 |
| ; CHECK-LE-NEXT: move $19, $4 |
| ; CHECK-LE-NEXT: lw $1, 60($sp) |
| ; CHECK-LE-NEXT: andi $5, $1, 31 |
| ; CHECK-LE-NEXT: lw $4, 56($sp) |
| ; CHECK-LE-NEXT: addiu $6, $zero, 37 |
| ; CHECK-LE-NEXT: jal __umoddi3 |
| ; CHECK-LE-NEXT: addiu $7, $zero, 0 |
| ; CHECK-LE-NEXT: srl $1, $2, 5 |
| ; CHECK-LE-NEXT: andi $3, $1, 1 |
| ; CHECK-LE-NEXT: srl $1, $17, 5 |
| ; CHECK-LE-NEXT: sll $4, $16, 27 |
| ; CHECK-LE-NEXT: or $1, $4, $1 |
| ; CHECK-LE-NEXT: move $4, $19 |
| ; CHECK-LE-NEXT: movn $4, $1, $3 |
| ; CHECK-LE-NEXT: sllv $5, $4, $2 |
| ; CHECK-LE-NEXT: not $6, $2 |
| ; CHECK-LE-NEXT: sll $7, $17, 27 |
| ; CHECK-LE-NEXT: movn $1, $7, $3 |
| ; CHECK-LE-NEXT: srl $1, $1, 1 |
| ; CHECK-LE-NEXT: srlv $1, $1, $6 |
| ; CHECK-LE-NEXT: or $1, $5, $1 |
| ; CHECK-LE-NEXT: movn $18, $19, $3 |
| ; CHECK-LE-NEXT: sllv $2, $18, $2 |
| ; CHECK-LE-NEXT: srl $3, $4, 1 |
| ; CHECK-LE-NEXT: srlv $3, $3, $6 |
| ; CHECK-LE-NEXT: or $3, $2, $3 |
| ; CHECK-LE-NEXT: move $2, $1 |
| ; CHECK-LE-NEXT: lw $16, 20($sp) # 4-byte Folded Reload |
| ; CHECK-LE-NEXT: lw $17, 24($sp) # 4-byte Folded Reload |
| ; CHECK-LE-NEXT: lw $18, 28($sp) # 4-byte Folded Reload |
| ; CHECK-LE-NEXT: lw $19, 32($sp) # 4-byte Folded Reload |
| ; CHECK-LE-NEXT: lw $ra, 36($sp) # 4-byte Folded Reload |
| ; CHECK-LE-NEXT: jr $ra |
| ; CHECK-LE-NEXT: addiu $sp, $sp, 40 |
| %f = call i37 @llvm.fshl.i37(i37 %x, i37 %y, i37 %z) |
| ret i37 %f |
| } |
| |
| ; extract(concat(0b1110000, 0b1111111) << 2) = 0b1000011 |
| |
| declare i7 @llvm.fshl.i7(i7, i7, i7) |
| define i7 @fshl_i7_const_fold() { |
| ; CHECK-LABEL: fshl_i7_const_fold: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: addiu $2, $zero, 67 |
| %f = call i7 @llvm.fshl.i7(i7 112, i7 127, i7 2) |
| ret i7 %f |
| } |
| |
| define i8 @fshl_i8_const_fold_overshift_1() { |
| ; CHECK-LABEL: fshl_i8_const_fold_overshift_1: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: addiu $2, $zero, 128 |
| %f = call i8 @llvm.fshl.i8(i8 255, i8 0, i8 15) |
| ret i8 %f |
| } |
| |
| define i8 @fshl_i8_const_fold_overshift_2() { |
| ; CHECK-LABEL: fshl_i8_const_fold_overshift_2: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: addiu $2, $zero, 120 |
| %f = call i8 @llvm.fshl.i8(i8 15, i8 15, i8 11) |
| ret i8 %f |
| } |
| |
| define i8 @fshl_i8_const_fold_overshift_3() { |
| ; CHECK-LABEL: fshl_i8_const_fold_overshift_3: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: addiu $2, $zero, 0 |
| %f = call i8 @llvm.fshl.i8(i8 0, i8 225, i8 8) |
| ret i8 %f |
| } |
| |
| ; With constant shift amount, this is 'extr'. |
| |
| define i32 @fshl_i32_const_shift(i32 %x, i32 %y) { |
| ; CHECK-LABEL: fshl_i32_const_shift: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: srl $1, $5, 23 |
| ; CHECK-NEXT: sll $2, $4, 9 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: or $2, $2, $1 |
| %f = call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 9) |
| ret i32 %f |
| } |
| |
| ; Check modulo math on shift amount. |
| |
| define i32 @fshl_i32_const_overshift(i32 %x, i32 %y) { |
| ; CHECK-LABEL: fshl_i32_const_overshift: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: srl $1, $5, 23 |
| ; CHECK-NEXT: sll $2, $4, 9 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: or $2, $2, $1 |
| %f = call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 41) |
| ret i32 %f |
| } |
| |
| ; 64-bit should also work. |
| |
| define i64 @fshl_i64_const_overshift(i64 %x, i64 %y) { |
| ; CHECK-BE-LABEL: fshl_i64_const_overshift: |
| ; CHECK-BE: # %bb.0: |
| ; CHECK-BE-NEXT: srl $1, $6, 23 |
| ; CHECK-BE-NEXT: sll $2, $5, 9 |
| ; CHECK-BE-NEXT: or $2, $2, $1 |
| ; CHECK-BE-NEXT: srl $1, $7, 23 |
| ; CHECK-BE-NEXT: sll $3, $6, 9 |
| ; CHECK-BE-NEXT: jr $ra |
| ; CHECK-BE-NEXT: or $3, $3, $1 |
| ; |
| ; CHECK-LE-LABEL: fshl_i64_const_overshift: |
| ; CHECK-LE: # %bb.0: |
| ; CHECK-LE-NEXT: srl $1, $6, 23 |
| ; CHECK-LE-NEXT: sll $2, $7, 9 |
| ; CHECK-LE-NEXT: or $2, $2, $1 |
| ; CHECK-LE-NEXT: srl $1, $7, 23 |
| ; CHECK-LE-NEXT: sll $3, $4, 9 |
| ; CHECK-LE-NEXT: jr $ra |
| ; CHECK-LE-NEXT: or $3, $3, $1 |
| %f = call i64 @llvm.fshl.i64(i64 %x, i64 %y, i64 105) |
| ret i64 %f |
| } |
| |
| ; This should work without any node-specific logic. |
| |
| define i8 @fshl_i8_const_fold() { |
| ; CHECK-LABEL: fshl_i8_const_fold: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: addiu $2, $zero, 128 |
| %f = call i8 @llvm.fshl.i8(i8 255, i8 0, i8 7) |
| ret i8 %f |
| } |
| |
| ; Repeat everything for funnel shift right. |
| |
| ; General case - all operands can be variables. |
| |
| define i16 @fshr_i16(i16 %x, i16 %y, i16 %z) { |
| ; CHECK-LABEL: fshr_i16: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: andi $1, $5, 65535 |
| ; CHECK-NEXT: sll $2, $4, 16 |
| ; CHECK-NEXT: or $1, $2, $1 |
| ; CHECK-NEXT: andi $2, $6, 15 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: srlv $2, $1, $2 |
| %f = call i16 @llvm.fshr.i16(i16 %x, i16 %y, i16 %z) |
| ret i16 %f |
| } |
| |
| define i32 @fshr_i32(i32 %x, i32 %y, i32 %z) { |
| ; CHECK-LABEL: fshr_i32: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: srlv $1, $5, $6 |
| ; CHECK-NEXT: not $2, $6 |
| ; CHECK-NEXT: sll $3, $4, 1 |
| ; CHECK-NEXT: sllv $2, $3, $2 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: or $2, $2, $1 |
| %f = call i32 @llvm.fshr.i32(i32 %x, i32 %y, i32 %z) |
| ret i32 %f |
| } |
| |
| ; Verify that weird types are minimally supported. |
| declare i37 @llvm.fshr.i37(i37, i37, i37) |
| define i37 @fshr_i37(i37 %x, i37 %y, i37 %z) { |
| ; CHECK-BE-LABEL: fshr_i37: |
| ; CHECK-BE: # %bb.0: |
| ; CHECK-BE-NEXT: addiu $sp, $sp, -40 |
| ; CHECK-BE-NEXT: .cfi_def_cfa_offset 40 |
| ; CHECK-BE-NEXT: sw $ra, 36($sp) # 4-byte Folded Spill |
| ; CHECK-BE-NEXT: sw $19, 32($sp) # 4-byte Folded Spill |
| ; CHECK-BE-NEXT: sw $18, 28($sp) # 4-byte Folded Spill |
| ; CHECK-BE-NEXT: sw $17, 24($sp) # 4-byte Folded Spill |
| ; CHECK-BE-NEXT: sw $16, 20($sp) # 4-byte Folded Spill |
| ; CHECK-BE-NEXT: .cfi_offset 31, -4 |
| ; CHECK-BE-NEXT: .cfi_offset 19, -8 |
| ; CHECK-BE-NEXT: .cfi_offset 18, -12 |
| ; CHECK-BE-NEXT: .cfi_offset 17, -16 |
| ; CHECK-BE-NEXT: .cfi_offset 16, -20 |
| ; CHECK-BE-NEXT: move $16, $7 |
| ; CHECK-BE-NEXT: move $17, $6 |
| ; CHECK-BE-NEXT: move $18, $5 |
| ; CHECK-BE-NEXT: move $19, $4 |
| ; CHECK-BE-NEXT: lw $1, 56($sp) |
| ; CHECK-BE-NEXT: andi $4, $1, 31 |
| ; CHECK-BE-NEXT: lw $5, 60($sp) |
| ; CHECK-BE-NEXT: addiu $6, $zero, 0 |
| ; CHECK-BE-NEXT: jal __umoddi3 |
| ; CHECK-BE-NEXT: addiu $7, $zero, 37 |
| ; CHECK-BE-NEXT: addiu $1, $3, 27 |
| ; CHECK-BE-NEXT: andi $3, $1, 32 |
| ; CHECK-BE-NEXT: srl $2, $16, 5 |
| ; CHECK-BE-NEXT: sll $4, $17, 27 |
| ; CHECK-BE-NEXT: or $4, $4, $2 |
| ; CHECK-BE-NEXT: movz $19, $18, $3 |
| ; CHECK-BE-NEXT: movz $18, $4, $3 |
| ; CHECK-BE-NEXT: srlv $2, $18, $1 |
| ; CHECK-BE-NEXT: not $5, $1 |
| ; CHECK-BE-NEXT: sll $6, $19, 1 |
| ; CHECK-BE-NEXT: sllv $6, $6, $5 |
| ; CHECK-BE-NEXT: sll $7, $16, 27 |
| ; CHECK-BE-NEXT: or $2, $6, $2 |
| ; CHECK-BE-NEXT: movz $4, $7, $3 |
| ; CHECK-BE-NEXT: srlv $1, $4, $1 |
| ; CHECK-BE-NEXT: sll $3, $18, 1 |
| ; CHECK-BE-NEXT: sllv $3, $3, $5 |
| ; CHECK-BE-NEXT: or $3, $3, $1 |
| ; CHECK-BE-NEXT: lw $16, 20($sp) # 4-byte Folded Reload |
| ; CHECK-BE-NEXT: lw $17, 24($sp) # 4-byte Folded Reload |
| ; CHECK-BE-NEXT: lw $18, 28($sp) # 4-byte Folded Reload |
| ; CHECK-BE-NEXT: lw $19, 32($sp) # 4-byte Folded Reload |
| ; CHECK-BE-NEXT: lw $ra, 36($sp) # 4-byte Folded Reload |
| ; CHECK-BE-NEXT: jr $ra |
| ; CHECK-BE-NEXT: addiu $sp, $sp, 40 |
| ; |
| ; CHECK-LE-LABEL: fshr_i37: |
| ; CHECK-LE: # %bb.0: |
| ; CHECK-LE-NEXT: addiu $sp, $sp, -40 |
| ; CHECK-LE-NEXT: .cfi_def_cfa_offset 40 |
| ; CHECK-LE-NEXT: sw $ra, 36($sp) # 4-byte Folded Spill |
| ; CHECK-LE-NEXT: sw $19, 32($sp) # 4-byte Folded Spill |
| ; CHECK-LE-NEXT: sw $18, 28($sp) # 4-byte Folded Spill |
| ; CHECK-LE-NEXT: sw $17, 24($sp) # 4-byte Folded Spill |
| ; CHECK-LE-NEXT: sw $16, 20($sp) # 4-byte Folded Spill |
| ; CHECK-LE-NEXT: .cfi_offset 31, -4 |
| ; CHECK-LE-NEXT: .cfi_offset 19, -8 |
| ; CHECK-LE-NEXT: .cfi_offset 18, -12 |
| ; CHECK-LE-NEXT: .cfi_offset 17, -16 |
| ; CHECK-LE-NEXT: .cfi_offset 16, -20 |
| ; CHECK-LE-NEXT: move $16, $7 |
| ; CHECK-LE-NEXT: move $17, $6 |
| ; CHECK-LE-NEXT: move $18, $5 |
| ; CHECK-LE-NEXT: move $19, $4 |
| ; CHECK-LE-NEXT: lw $1, 60($sp) |
| ; CHECK-LE-NEXT: andi $5, $1, 31 |
| ; CHECK-LE-NEXT: lw $4, 56($sp) |
| ; CHECK-LE-NEXT: addiu $6, $zero, 37 |
| ; CHECK-LE-NEXT: jal __umoddi3 |
| ; CHECK-LE-NEXT: addiu $7, $zero, 0 |
| ; CHECK-LE-NEXT: addiu $1, $2, 27 |
| ; CHECK-LE-NEXT: andi $3, $1, 32 |
| ; CHECK-LE-NEXT: srl $2, $17, 5 |
| ; CHECK-LE-NEXT: sll $4, $16, 27 |
| ; CHECK-LE-NEXT: or $2, $4, $2 |
| ; CHECK-LE-NEXT: sll $4, $17, 27 |
| ; CHECK-LE-NEXT: move $5, $19 |
| ; CHECK-LE-NEXT: movz $5, $2, $3 |
| ; CHECK-LE-NEXT: movz $2, $4, $3 |
| ; CHECK-LE-NEXT: srlv $2, $2, $1 |
| ; CHECK-LE-NEXT: not $4, $1 |
| ; CHECK-LE-NEXT: sll $6, $5, 1 |
| ; CHECK-LE-NEXT: sllv $6, $6, $4 |
| ; CHECK-LE-NEXT: or $2, $6, $2 |
| ; CHECK-LE-NEXT: srlv $1, $5, $1 |
| ; CHECK-LE-NEXT: movz $18, $19, $3 |
| ; CHECK-LE-NEXT: sll $3, $18, 1 |
| ; CHECK-LE-NEXT: sllv $3, $3, $4 |
| ; CHECK-LE-NEXT: or $3, $3, $1 |
| ; CHECK-LE-NEXT: lw $16, 20($sp) # 4-byte Folded Reload |
| ; CHECK-LE-NEXT: lw $17, 24($sp) # 4-byte Folded Reload |
| ; CHECK-LE-NEXT: lw $18, 28($sp) # 4-byte Folded Reload |
| ; CHECK-LE-NEXT: lw $19, 32($sp) # 4-byte Folded Reload |
| ; CHECK-LE-NEXT: lw $ra, 36($sp) # 4-byte Folded Reload |
| ; CHECK-LE-NEXT: jr $ra |
| ; CHECK-LE-NEXT: addiu $sp, $sp, 40 |
| %f = call i37 @llvm.fshr.i37(i37 %x, i37 %y, i37 %z) |
| ret i37 %f |
| } |
| |
| ; extract(concat(0b1110000, 0b1111111) >> 2) = 0b0011111 |
| |
| declare i7 @llvm.fshr.i7(i7, i7, i7) |
| define i7 @fshr_i7_const_fold() { |
| ; CHECK-LABEL: fshr_i7_const_fold: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: addiu $2, $zero, 31 |
| %f = call i7 @llvm.fshr.i7(i7 112, i7 127, i7 2) |
| ret i7 %f |
| } |
| |
| define i8 @fshr_i8_const_fold_overshift_1() { |
| ; CHECK-LABEL: fshr_i8_const_fold_overshift_1: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: addiu $2, $zero, 254 |
| %f = call i8 @llvm.fshr.i8(i8 255, i8 0, i8 15) |
| ret i8 %f |
| } |
| |
| define i8 @fshr_i8_const_fold_overshift_2() { |
| ; CHECK-LABEL: fshr_i8_const_fold_overshift_2: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: addiu $2, $zero, 225 |
| %f = call i8 @llvm.fshr.i8(i8 15, i8 15, i8 11) |
| ret i8 %f |
| } |
| |
| define i8 @fshr_i8_const_fold_overshift_3() { |
| ; CHECK-LABEL: fshr_i8_const_fold_overshift_3: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: addiu $2, $zero, 255 |
| %f = call i8 @llvm.fshr.i8(i8 0, i8 255, i8 8) |
| ret i8 %f |
| } |
| |
| ; With constant shift amount, this is 'extr'. |
| |
| define i32 @fshr_i32_const_shift(i32 %x, i32 %y) { |
| ; CHECK-LABEL: fshr_i32_const_shift: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: srl $1, $5, 9 |
| ; CHECK-NEXT: sll $2, $4, 23 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: or $2, $2, $1 |
| %f = call i32 @llvm.fshr.i32(i32 %x, i32 %y, i32 9) |
| ret i32 %f |
| } |
| |
| ; Check modulo math on shift amount. 41-32=9. |
| |
| define i32 @fshr_i32_const_overshift(i32 %x, i32 %y) { |
| ; CHECK-LABEL: fshr_i32_const_overshift: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: srl $1, $5, 9 |
| ; CHECK-NEXT: sll $2, $4, 23 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: or $2, $2, $1 |
| %f = call i32 @llvm.fshr.i32(i32 %x, i32 %y, i32 41) |
| ret i32 %f |
| } |
| |
| ; 64-bit should also work. 105-64 = 41. |
| |
| define i64 @fshr_i64_const_overshift(i64 %x, i64 %y) { |
| ; CHECK-BE-LABEL: fshr_i64_const_overshift: |
| ; CHECK-BE: # %bb.0: |
| ; CHECK-BE-NEXT: srl $1, $5, 9 |
| ; CHECK-BE-NEXT: sll $2, $4, 23 |
| ; CHECK-BE-NEXT: or $2, $2, $1 |
| ; CHECK-BE-NEXT: srl $1, $6, 9 |
| ; CHECK-BE-NEXT: sll $3, $5, 23 |
| ; CHECK-BE-NEXT: jr $ra |
| ; CHECK-BE-NEXT: or $3, $3, $1 |
| ; |
| ; CHECK-LE-LABEL: fshr_i64_const_overshift: |
| ; CHECK-LE: # %bb.0: |
| ; CHECK-LE-NEXT: srl $1, $7, 9 |
| ; CHECK-LE-NEXT: sll $2, $4, 23 |
| ; CHECK-LE-NEXT: or $2, $2, $1 |
| ; CHECK-LE-NEXT: srl $1, $4, 9 |
| ; CHECK-LE-NEXT: sll $3, $5, 23 |
| ; CHECK-LE-NEXT: jr $ra |
| ; CHECK-LE-NEXT: or $3, $3, $1 |
| %f = call i64 @llvm.fshr.i64(i64 %x, i64 %y, i64 105) |
| ret i64 %f |
| } |
| |
| ; This should work without any node-specific logic. |
| |
| define i8 @fshr_i8_const_fold() { |
| ; CHECK-LABEL: fshr_i8_const_fold: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: addiu $2, $zero, 254 |
| %f = call i8 @llvm.fshr.i8(i8 255, i8 0, i8 7) |
| ret i8 %f |
| } |
| |
| define i32 @fshl_i32_shift_by_bitwidth(i32 %x, i32 %y) { |
| ; CHECK-LABEL: fshl_i32_shift_by_bitwidth: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: move $2, $4 |
| %f = call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 32) |
| ret i32 %f |
| } |
| |
| define i32 @fshr_i32_shift_by_bitwidth(i32 %x, i32 %y) { |
| ; CHECK-LABEL: fshr_i32_shift_by_bitwidth: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: move $2, $5 |
| %f = call i32 @llvm.fshr.i32(i32 %x, i32 %y, i32 32) |
| ret i32 %f |
| } |
| |
| define <4 x i32> @fshl_v4i32_shift_by_bitwidth(<4 x i32> %x, <4 x i32> %y) { |
| ; CHECK-LABEL: fshl_v4i32_shift_by_bitwidth: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: move $2, $4 |
| ; CHECK-NEXT: move $3, $5 |
| ; CHECK-NEXT: move $4, $6 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: move $5, $7 |
| %f = call <4 x i32> @llvm.fshl.v4i32(<4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 32, i32 32, i32 32, i32 32>) |
| ret <4 x i32> %f |
| } |
| |
| define <4 x i32> @fshr_v4i32_shift_by_bitwidth(<4 x i32> %x, <4 x i32> %y) { |
| ; CHECK-LABEL: fshr_v4i32_shift_by_bitwidth: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lw $5, 28($sp) |
| ; CHECK-NEXT: lw $4, 24($sp) |
| ; CHECK-NEXT: lw $3, 20($sp) |
| ; CHECK-NEXT: lw $2, 16($sp) |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: nop |
| %f = call <4 x i32> @llvm.fshr.v4i32(<4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 32, i32 32, i32 32, i32 32>) |
| ret <4 x i32> %f |
| } |
| |
