; 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: andi $1, $6, 31 ; CHECK-NEXT: sllv $1, $4, $1 ; CHECK-NEXT: srl $2, $5, 1 ; CHECK-NEXT: not $3, $6 ; CHECK-NEXT: andi $3, $3, 31 ; CHECK-NEXT: srlv $2, $2, $3 ; 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: not $1, $3 ; CHECK-BE-NEXT: srl $2, $3, 5 ; CHECK-BE-NEXT: andi $4, $2, 1 ; CHECK-BE-NEXT: movn $19, $18, $4 ; CHECK-BE-NEXT: andi $3, $3, 31 ; CHECK-BE-NEXT: sllv $2, $19, $3 ; CHECK-BE-NEXT: andi $1, $1, 31 ; 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, $4 ; CHECK-BE-NEXT: srl $6, $18, 1 ; CHECK-BE-NEXT: srlv $6, $6, $1 ; 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, $4 ; CHECK-BE-NEXT: srl $4, $5, 1 ; CHECK-BE-NEXT: srlv $1, $4, $1 ; 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 $1, $1, 1 ; CHECK-LE-NEXT: srl $3, $17, 5 ; CHECK-LE-NEXT: sll $4, $16, 27 ; CHECK-LE-NEXT: or $3, $4, $3 ; CHECK-LE-NEXT: move $4, $19 ; CHECK-LE-NEXT: movn $4, $3, $1 ; CHECK-LE-NEXT: andi $5, $2, 31 ; CHECK-LE-NEXT: sllv $6, $4, $5 ; CHECK-LE-NEXT: not $2, $2 ; CHECK-LE-NEXT: andi $7, $2, 31 ; CHECK-LE-NEXT: sll $2, $17, 27 ; CHECK-LE-NEXT: movn $3, $2, $1 ; CHECK-LE-NEXT: srl $2, $3, 1 ; CHECK-LE-NEXT: srlv $2, $2, $7 ; CHECK-LE-NEXT: or $2, $6, $2 ; CHECK-LE-NEXT: movn $18, $19, $1 ; CHECK-LE-NEXT: sllv $1, $18, $5 ; CHECK-LE-NEXT: srl $3, $4, 1 ; CHECK-LE-NEXT: srlv $3, $3, $7 ; CHECK-LE-NEXT: or $3, $1, $3 ; 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: andi $1, $6, 31 ; CHECK-NEXT: srlv $1, $5, $1 ; CHECK-NEXT: sll $2, $4, 1 ; CHECK-NEXT: not $3, $6 ; CHECK-NEXT: andi $3, $3, 31 ; CHECK-NEXT: sllv $2, $2, $3 ; 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: andi $5, $1, 31 ; CHECK-BE-NEXT: srlv $2, $18, $5 ; CHECK-BE-NEXT: not $1, $1 ; CHECK-BE-NEXT: andi $1, $1, 31 ; CHECK-BE-NEXT: sll $6, $19, 1 ; CHECK-BE-NEXT: sllv $6, $6, $1 ; 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 $3, $4, $5 ; CHECK-BE-NEXT: sll $4, $18, 1 ; CHECK-BE-NEXT: sllv $1, $4, $1 ; CHECK-BE-NEXT: or $3, $1, $3 ; 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: andi $4, $1, 31 ; CHECK-LE-NEXT: srlv $2, $2, $4 ; CHECK-LE-NEXT: not $1, $1 ; CHECK-LE-NEXT: andi $1, $1, 31 ; CHECK-LE-NEXT: sll $6, $5, 1 ; CHECK-LE-NEXT: sllv $6, $6, $1 ; CHECK-LE-NEXT: or $2, $6, $2 ; CHECK-LE-NEXT: srlv $4, $5, $4 ; CHECK-LE-NEXT: movz $18, $19, $3 ; CHECK-LE-NEXT: sll $3, $18, 1 ; CHECK-LE-NEXT: sllv $1, $3, $1 ; CHECK-LE-NEXT: or $3, $1, $4 ; 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 }