| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv32 < %s \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-I,RV32,RV32I |
| ; RUN: llc -mtriple=riscv64 < %s \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-I,RV64,RV64I |
| ; RUN: llc -mtriple=riscv32 -mattr=+zbb < %s \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-ZBB,RV32,RV32ZBB |
| ; RUN: llc -mtriple=riscv64 -mattr=+zbb < %s \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-ZBB,RV64,RV64ZBB |
| |
| ; TODO: Should we convert these to X ^ ((X ^ Y) & M) form when Zbb isn't |
| ; present? |
| |
| define i8 @out8(i8 %x, i8 %y, i8 %mask) { |
| ; CHECK-I-LABEL: out8: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: not a2, a2 |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: or a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: out8: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %mx = and i8 %x, %mask |
| %notmask = xor i8 %mask, -1 |
| %my = and i8 %y, %notmask |
| %r = or i8 %mx, %my |
| ret i8 %r |
| } |
| |
| define i16 @out16(i16 %x, i16 %y, i16 %mask) { |
| ; CHECK-I-LABEL: out16: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: not a2, a2 |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: or a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: out16: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %mx = and i16 %x, %mask |
| %notmask = xor i16 %mask, -1 |
| %my = and i16 %y, %notmask |
| %r = or i16 %mx, %my |
| ret i16 %r |
| } |
| |
| define i32 @out32(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: out32: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: not a2, a2 |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: or a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: out32: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %mx = and i32 %x, %mask |
| %notmask = xor i32 %mask, -1 |
| %my = and i32 %y, %notmask |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| define i64 @out64(i64 %x, i64 %y, i64 %mask) { |
| ; RV32I-LABEL: out64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: and a1, a1, a5 |
| ; RV32I-NEXT: and a0, a0, a4 |
| ; RV32I-NEXT: not a4, a4 |
| ; RV32I-NEXT: not a5, a5 |
| ; RV32I-NEXT: and a3, a3, a5 |
| ; RV32I-NEXT: and a2, a2, a4 |
| ; RV32I-NEXT: or a0, a0, a2 |
| ; RV32I-NEXT: or a1, a1, a3 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: out64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: and a0, a0, a2 |
| ; RV64I-NEXT: not a2, a2 |
| ; RV64I-NEXT: and a1, a1, a2 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: out64: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: and a1, a1, a5 |
| ; RV32ZBB-NEXT: and a0, a0, a4 |
| ; RV32ZBB-NEXT: andn a3, a3, a5 |
| ; RV32ZBB-NEXT: andn a2, a2, a4 |
| ; RV32ZBB-NEXT: or a0, a0, a2 |
| ; RV32ZBB-NEXT: or a1, a1, a3 |
| ; RV32ZBB-NEXT: ret |
| ; |
| ; RV64ZBB-LABEL: out64: |
| ; RV64ZBB: # %bb.0: |
| ; RV64ZBB-NEXT: and a0, a0, a2 |
| ; RV64ZBB-NEXT: andn a1, a1, a2 |
| ; RV64ZBB-NEXT: or a0, a0, a1 |
| ; RV64ZBB-NEXT: ret |
| %mx = and i64 %x, %mask |
| %notmask = xor i64 %mask, -1 |
| %my = and i64 %y, %notmask |
| %r = or i64 %mx, %my |
| ret i64 %r |
| } |
| |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ; These tests should produce the same output as the corresponding out* test |
| ; when the Zbb extension is enabled. |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| define i8 @in8(i8 %x, i8 %y, i8 %mask) { |
| ; CHECK-I-LABEL: in8: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in8: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i8 %x, %y |
| %n1 = and i8 %n0, %mask |
| %r = xor i8 %n1, %y |
| ret i8 %r |
| } |
| |
| define i16 @in16(i16 %x, i16 %y, i16 %mask) { |
| ; CHECK-I-LABEL: in16: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in16: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i16 %x, %y |
| %n1 = and i16 %n0, %mask |
| %r = xor i16 %n1, %y |
| ret i16 %r |
| } |
| |
| define i32 @in32(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in32: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in32: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| define i64 @in64(i64 %x, i64 %y, i64 %mask) { |
| ; RV32I-LABEL: in64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: xor a0, a0, a2 |
| ; RV32I-NEXT: xor a1, a1, a3 |
| ; RV32I-NEXT: and a1, a1, a5 |
| ; RV32I-NEXT: and a0, a0, a4 |
| ; RV32I-NEXT: xor a0, a0, a2 |
| ; RV32I-NEXT: xor a1, a1, a3 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: in64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: and a0, a0, a2 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: in64: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: andn a2, a2, a4 |
| ; RV32ZBB-NEXT: and a0, a0, a4 |
| ; RV32ZBB-NEXT: andn a3, a3, a5 |
| ; RV32ZBB-NEXT: and a1, a1, a5 |
| ; RV32ZBB-NEXT: or a0, a0, a2 |
| ; RV32ZBB-NEXT: or a1, a1, a3 |
| ; RV32ZBB-NEXT: ret |
| ; |
| ; RV64ZBB-LABEL: in64: |
| ; RV64ZBB: # %bb.0: |
| ; RV64ZBB-NEXT: andn a1, a1, a2 |
| ; RV64ZBB-NEXT: and a0, a0, a2 |
| ; RV64ZBB-NEXT: or a0, a0, a1 |
| ; RV64ZBB-NEXT: ret |
| %n0 = xor i64 %x, %y |
| %n1 = and i64 %n0, %mask |
| %r = xor i64 %n1, %y |
| ret i64 %r |
| } |
| |
| ; ============================================================================ ; |
| ; Commutativity tests. |
| ; ============================================================================ ; |
| |
| define i32 @in_commutativity_0_0_1(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_commutativity_0_0_1: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a2, a0 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_commutativity_0_0_1: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %mask, %n0 ; swapped |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| define i32 @in_commutativity_0_1_0(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_commutativity_0_1_0: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: xor a0, a1, a0 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_commutativity_0_1_0: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %y, %n1 ; swapped |
| ret i32 %r |
| } |
| |
| define i32 @in_commutativity_0_1_1(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_commutativity_0_1_1: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a2, a0 |
| ; CHECK-I-NEXT: xor a0, a1, a0 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_commutativity_0_1_1: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %mask, %n0 ; swapped |
| %r = xor i32 %y, %n1 ; swapped |
| ret i32 %r |
| } |
| |
| define i32 @in_commutativity_1_0_0(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_commutativity_1_0_0: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a1, a0, a1 |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: xor a0, a1, a0 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_commutativity_1_0_0: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a0, a0, a2 |
| ; CHECK-ZBB-NEXT: and a1, a1, a2 |
| ; CHECK-ZBB-NEXT: or a0, a1, a0 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %n1, %x ; %x instead of %y |
| ret i32 %r |
| } |
| |
| define i32 @in_commutativity_1_0_1(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_commutativity_1_0_1: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a1, a0, a1 |
| ; CHECK-I-NEXT: and a1, a2, a1 |
| ; CHECK-I-NEXT: xor a0, a1, a0 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_commutativity_1_0_1: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a0, a0, a2 |
| ; CHECK-ZBB-NEXT: and a1, a1, a2 |
| ; CHECK-ZBB-NEXT: or a0, a1, a0 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %mask, %n0 ; swapped |
| %r = xor i32 %n1, %x ; %x instead of %y |
| ret i32 %r |
| } |
| |
| define i32 @in_commutativity_1_1_0(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_commutativity_1_1_0: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a1, a0, a1 |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_commutativity_1_1_0: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a0, a0, a2 |
| ; CHECK-ZBB-NEXT: and a1, a1, a2 |
| ; CHECK-ZBB-NEXT: or a0, a1, a0 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %x, %n1 ; swapped, %x instead of %y |
| ret i32 %r |
| } |
| |
| define i32 @in_commutativity_1_1_1(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_commutativity_1_1_1: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a1, a0, a1 |
| ; CHECK-I-NEXT: and a1, a2, a1 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_commutativity_1_1_1: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a0, a0, a2 |
| ; CHECK-ZBB-NEXT: and a1, a1, a2 |
| ; CHECK-ZBB-NEXT: or a0, a1, a0 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %mask, %n0 ; swapped |
| %r = xor i32 %x, %n1 ; swapped, %x instead of %y |
| ret i32 %r |
| } |
| |
| ; ============================================================================ ; |
| ; Y is an 'and' too. |
| ; ============================================================================ ; |
| |
| define i32 @in_complex_y0(i32 %x, i32 %y_hi, i32 %y_low, i32 %mask) { |
| ; CHECK-I-LABEL: in_complex_y0: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a0, a3 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_complex_y0: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a1, a1, a2 |
| ; CHECK-ZBB-NEXT: and a0, a0, a3 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a3 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %y = and i32 %y_hi, %y_low |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| define i32 @in_complex_y1(i32 %x, i32 %y_hi, i32 %y_low, i32 %mask) { |
| ; CHECK-I-LABEL: in_complex_y1: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a0, a3 |
| ; CHECK-I-NEXT: xor a0, a1, a0 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_complex_y1: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a1, a1, a2 |
| ; CHECK-ZBB-NEXT: and a0, a0, a3 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a3 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %y = and i32 %y_hi, %y_low |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %y, %n1 |
| ret i32 %r |
| } |
| |
| ; ============================================================================ ; |
| ; M is an 'xor' too. |
| ; ============================================================================ ; |
| |
| define i32 @in_complex_m0(i32 %x, i32 %y, i32 %m_a, i32 %m_b) { |
| ; CHECK-I-LABEL: in_complex_m0: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a2, a2, a3 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_complex_m0: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: xor a2, a2, a3 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %mask = xor i32 %m_a, %m_b |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| define i32 @in_complex_m1(i32 %x, i32 %y, i32 %m_a, i32 %m_b) { |
| ; CHECK-I-LABEL: in_complex_m1: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xor a2, a2, a3 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a2, a0 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_complex_m1: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: xor a2, a2, a3 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %mask = xor i32 %m_a, %m_b |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %mask, %n0 |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| ; ============================================================================ ; |
| ; Both Y and M are complex. |
| ; ============================================================================ ; |
| |
| define i32 @in_complex_y0_m0(i32 %x, i32 %y_hi, i32 %y_low, i32 %m_a, i32 %m_b) { |
| ; CHECK-I-LABEL: in_complex_y0_m0: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: xor a3, a3, a4 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a0, a3 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_complex_y0_m0: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a1, a1, a2 |
| ; CHECK-ZBB-NEXT: xor a3, a3, a4 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a3 |
| ; CHECK-ZBB-NEXT: and a0, a0, a3 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %y = and i32 %y_hi, %y_low |
| %mask = xor i32 %m_a, %m_b |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| define i32 @in_complex_y1_m0(i32 %x, i32 %y_hi, i32 %y_low, i32 %m_a, i32 %m_b) { |
| ; CHECK-I-LABEL: in_complex_y1_m0: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: xor a3, a3, a4 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a0, a3 |
| ; CHECK-I-NEXT: xor a0, a1, a0 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_complex_y1_m0: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a1, a1, a2 |
| ; CHECK-ZBB-NEXT: xor a3, a3, a4 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a3 |
| ; CHECK-ZBB-NEXT: and a0, a0, a3 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %y = and i32 %y_hi, %y_low |
| %mask = xor i32 %m_a, %m_b |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %y, %n1 |
| ret i32 %r |
| } |
| |
| define i32 @in_complex_y0_m1(i32 %x, i32 %y_hi, i32 %y_low, i32 %m_a, i32 %m_b) { |
| ; CHECK-I-LABEL: in_complex_y0_m1: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: xor a3, a3, a4 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a3, a0 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_complex_y0_m1: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a1, a1, a2 |
| ; CHECK-ZBB-NEXT: xor a3, a3, a4 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a3 |
| ; CHECK-ZBB-NEXT: and a0, a0, a3 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %y = and i32 %y_hi, %y_low |
| %mask = xor i32 %m_a, %m_b |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %mask, %n0 |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| define i32 @in_complex_y1_m1(i32 %x, i32 %y_hi, i32 %y_low, i32 %m_a, i32 %m_b) { |
| ; CHECK-I-LABEL: in_complex_y1_m1: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: xor a3, a3, a4 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: and a0, a3, a0 |
| ; CHECK-I-NEXT: xor a0, a1, a0 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_complex_y1_m1: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a1, a1, a2 |
| ; CHECK-ZBB-NEXT: xor a3, a3, a4 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a3 |
| ; CHECK-ZBB-NEXT: and a0, a0, a3 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %y = and i32 %y_hi, %y_low |
| %mask = xor i32 %m_a, %m_b |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %mask, %n0 |
| %r = xor i32 %y, %n1 |
| ret i32 %r |
| } |
| |
| ; ============================================================================ ; |
| ; Various cases with %x and/or %y being a constant |
| ; ============================================================================ ; |
| |
| define i32 @out_constant_varx_mone(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: out_constant_varx_mone: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a1, a2 |
| ; CHECK-I-NEXT: and a0, a2, a0 |
| ; CHECK-I-NEXT: or a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: out_constant_varx_mone: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a0, a2, a0 |
| ; CHECK-ZBB-NEXT: orn a0, a0, a2 |
| ; CHECK-ZBB-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %mx = and i32 %mask, %x |
| %my = and i32 %notmask, -1 |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| define i32 @in_constant_varx_mone(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_constant_varx_mone: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a0, a0 |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: not a0, a0 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_constant_varx_mone: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a0, a2, a0 |
| ; CHECK-ZBB-NEXT: not a0, a0 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 %x, -1 ; %x |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %n1, -1 |
| ret i32 %r |
| } |
| |
| ; This is not a canonical form. Testing for completeness only. |
| define i32 @out_constant_varx_mone_invmask(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-LABEL: out_constant_varx_mone_invmask: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: or a0, a0, a2 |
| ; CHECK-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %mx = and i32 %notmask, %x |
| %my = and i32 %mask, -1 |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| ; This is not a canonical form. Testing for completeness only. |
| define i32 @in_constant_varx_mone_invmask(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_constant_varx_mone_invmask: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a1, a2 |
| ; CHECK-I-NEXT: not a0, a0 |
| ; CHECK-I-NEXT: and a0, a0, a1 |
| ; CHECK-I-NEXT: not a0, a0 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_constant_varx_mone_invmask: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: not a0, a0 |
| ; CHECK-ZBB-NEXT: andn a0, a0, a2 |
| ; CHECK-ZBB-NEXT: not a0, a0 |
| ; CHECK-ZBB-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %n0 = xor i32 %x, -1 ; %x |
| %n1 = and i32 %n0, %notmask |
| %r = xor i32 %n1, -1 |
| ret i32 %r |
| } |
| |
| define i32 @out_constant_varx_42(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: out_constant_varx_42: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a1, a2 |
| ; CHECK-I-NEXT: and a0, a2, a0 |
| ; CHECK-I-NEXT: andi a1, a1, 42 |
| ; CHECK-I-NEXT: or a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: out_constant_varx_42: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a0, a2, a0 |
| ; CHECK-ZBB-NEXT: li a1, 42 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %mx = and i32 %mask, %x |
| %my = and i32 %notmask, 42 |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| define i32 @in_constant_varx_42(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_constant_varx_42: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xori a0, a0, 42 |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: xori a0, a0, 42 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_constant_varx_42: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a0, a2, a0 |
| ; CHECK-ZBB-NEXT: ori a1, a2, 42 |
| ; CHECK-ZBB-NEXT: andn a0, a1, a0 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 %x, 42 ; %x |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %n1, 42 |
| ret i32 %r |
| } |
| |
| ; This is not a canonical form. Testing for completeness only. |
| define i32 @out_constant_varx_42_invmask(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: out_constant_varx_42_invmask: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a1, a2 |
| ; CHECK-I-NEXT: and a0, a1, a0 |
| ; CHECK-I-NEXT: andi a1, a2, 42 |
| ; CHECK-I-NEXT: or a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: out_constant_varx_42_invmask: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a0, a0, a2 |
| ; CHECK-ZBB-NEXT: andi a1, a2, 42 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %mx = and i32 %notmask, %x |
| %my = and i32 %mask, 42 |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| ; This is not a canonical form. Testing for completeness only. |
| define i32 @in_constant_varx_42_invmask(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_constant_varx_42_invmask: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a1, a2 |
| ; CHECK-I-NEXT: xori a0, a0, 42 |
| ; CHECK-I-NEXT: and a0, a0, a1 |
| ; CHECK-I-NEXT: xori a0, a0, 42 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_constant_varx_42_invmask: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a0, a0, a2 |
| ; CHECK-ZBB-NEXT: andi a1, a2, 42 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %n0 = xor i32 %x, 42 ; %x |
| %n1 = and i32 %n0, %notmask |
| %r = xor i32 %n1, 42 |
| ret i32 %r |
| } |
| |
| define i32 @out_constant_mone_vary(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-LABEL: out_constant_mone_vary: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: or a0, a1, a2 |
| ; CHECK-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %mx = and i32 %mask, -1 |
| %my = and i32 %notmask, %y |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| define i32 @in_constant_mone_vary(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-LABEL: in_constant_mone_vary: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: or a0, a2, a1 |
| ; CHECK-NEXT: ret |
| %n0 = xor i32 -1, %y ; %x |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| ; This is not a canonical form. Testing for completeness only. |
| define i32 @out_constant_mone_vary_invmask(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: out_constant_mone_vary_invmask: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a0, a2 |
| ; CHECK-I-NEXT: and a1, a2, a1 |
| ; CHECK-I-NEXT: or a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: out_constant_mone_vary_invmask: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a1, a2, a1 |
| ; CHECK-ZBB-NEXT: orn a0, a1, a2 |
| ; CHECK-ZBB-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %mx = and i32 %notmask, -1 |
| %my = and i32 %mask, %y |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| ; This is not a canonical form. Testing for completeness only. |
| define i32 @in_constant_mone_vary_invmask(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_constant_mone_vary_invmask: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a0, a2 |
| ; CHECK-I-NEXT: or a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_constant_mone_vary_invmask: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: orn a0, a1, a2 |
| ; CHECK-ZBB-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %n0 = xor i32 -1, %y ; %x |
| %n1 = and i32 %n0, %notmask |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| define i32 @out_constant_42_vary(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: out_constant_42_vary: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a0, a2 |
| ; CHECK-I-NEXT: andi a2, a2, 42 |
| ; CHECK-I-NEXT: and a0, a0, a1 |
| ; CHECK-I-NEXT: or a0, a2, a0 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: out_constant_42_vary: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andi a0, a2, 42 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a2 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %mx = and i32 %mask, 42 |
| %my = and i32 %notmask, %y |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| define i32 @in_constant_42_vary(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_constant_42_vary: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: xori a0, a1, 42 |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_constant_42_vary: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a0, a1, a2 |
| ; CHECK-ZBB-NEXT: andi a1, a2, 42 |
| ; CHECK-ZBB-NEXT: or a0, a1, a0 |
| ; CHECK-ZBB-NEXT: ret |
| %n0 = xor i32 42, %y ; %x |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| ; This is not a canonical form. Testing for completeness only. |
| define i32 @out_constant_42_vary_invmask(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: out_constant_42_vary_invmask: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a0, a2 |
| ; CHECK-I-NEXT: andi a0, a0, 42 |
| ; CHECK-I-NEXT: and a1, a2, a1 |
| ; CHECK-I-NEXT: or a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: out_constant_42_vary_invmask: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: li a0, 42 |
| ; CHECK-ZBB-NEXT: andn a0, a0, a2 |
| ; CHECK-ZBB-NEXT: and a1, a2, a1 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %mx = and i32 %notmask, 42 |
| %my = and i32 %mask, %y |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| ; This is not a canonical form. Testing for completeness only. |
| define i32 @in_constant_42_vary_invmask(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-I-LABEL: in_constant_42_vary_invmask: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: not a0, a2 |
| ; CHECK-I-NEXT: xori a2, a1, 42 |
| ; CHECK-I-NEXT: and a0, a2, a0 |
| ; CHECK-I-NEXT: xor a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: in_constant_42_vary_invmask: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: andn a0, a2, a1 |
| ; CHECK-ZBB-NEXT: ori a1, a2, 42 |
| ; CHECK-ZBB-NEXT: andn a0, a1, a0 |
| ; CHECK-ZBB-NEXT: ret |
| %notmask = xor i32 %mask, -1 |
| %n0 = xor i32 42, %y ; %x |
| %n1 = and i32 %n0, %notmask |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| ; ============================================================================ ; |
| ; Negative tests. Should not be folded. |
| ; ============================================================================ ; |
| |
| ; Multi-use tests. |
| declare void @use32(i32) nounwind |
| define i32 @in_multiuse_A(i32 %x, i32 %y, i32 %z, i32 %mask) nounwind { |
| ; RV32-LABEL: in_multiuse_A: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: addi sp, sp, -16 |
| ; RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32-NEXT: sw s0, 8(sp) # 4-byte Folded Spill |
| ; RV32-NEXT: sw s1, 4(sp) # 4-byte Folded Spill |
| ; RV32-NEXT: mv s0, a1 |
| ; RV32-NEXT: xor a0, a0, a1 |
| ; RV32-NEXT: and s1, a0, a3 |
| ; RV32-NEXT: mv a0, s1 |
| ; RV32-NEXT: call use32 |
| ; RV32-NEXT: xor a0, s1, s0 |
| ; RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32-NEXT: lw s0, 8(sp) # 4-byte Folded Reload |
| ; RV32-NEXT: lw s1, 4(sp) # 4-byte Folded Reload |
| ; RV32-NEXT: addi sp, sp, 16 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: in_multiuse_A: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: addi sp, sp, -32 |
| ; RV64-NEXT: sd ra, 24(sp) # 8-byte Folded Spill |
| ; RV64-NEXT: sd s0, 16(sp) # 8-byte Folded Spill |
| ; RV64-NEXT: sd s1, 8(sp) # 8-byte Folded Spill |
| ; RV64-NEXT: mv s0, a1 |
| ; RV64-NEXT: xor a0, a0, a1 |
| ; RV64-NEXT: and s1, a0, a3 |
| ; RV64-NEXT: mv a0, s1 |
| ; RV64-NEXT: call use32 |
| ; RV64-NEXT: xor a0, s1, s0 |
| ; RV64-NEXT: ld ra, 24(sp) # 8-byte Folded Reload |
| ; RV64-NEXT: ld s0, 16(sp) # 8-byte Folded Reload |
| ; RV64-NEXT: ld s1, 8(sp) # 8-byte Folded Reload |
| ; RV64-NEXT: addi sp, sp, 32 |
| ; RV64-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| call void @use32(i32 %n1) |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| define i32 @in_multiuse_B(i32 %x, i32 %y, i32 %z, i32 %mask) nounwind { |
| ; RV32-LABEL: in_multiuse_B: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: addi sp, sp, -16 |
| ; RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32-NEXT: sw s0, 8(sp) # 4-byte Folded Spill |
| ; RV32-NEXT: sw s1, 4(sp) # 4-byte Folded Spill |
| ; RV32-NEXT: mv s0, a1 |
| ; RV32-NEXT: xor a0, a0, a1 |
| ; RV32-NEXT: and s1, a0, a3 |
| ; RV32-NEXT: call use32 |
| ; RV32-NEXT: xor a0, s1, s0 |
| ; RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32-NEXT: lw s0, 8(sp) # 4-byte Folded Reload |
| ; RV32-NEXT: lw s1, 4(sp) # 4-byte Folded Reload |
| ; RV32-NEXT: addi sp, sp, 16 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: in_multiuse_B: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: addi sp, sp, -32 |
| ; RV64-NEXT: sd ra, 24(sp) # 8-byte Folded Spill |
| ; RV64-NEXT: sd s0, 16(sp) # 8-byte Folded Spill |
| ; RV64-NEXT: sd s1, 8(sp) # 8-byte Folded Spill |
| ; RV64-NEXT: mv s0, a1 |
| ; RV64-NEXT: xor a0, a0, a1 |
| ; RV64-NEXT: and s1, a0, a3 |
| ; RV64-NEXT: call use32 |
| ; RV64-NEXT: xor a0, s1, s0 |
| ; RV64-NEXT: ld ra, 24(sp) # 8-byte Folded Reload |
| ; RV64-NEXT: ld s0, 16(sp) # 8-byte Folded Reload |
| ; RV64-NEXT: ld s1, 8(sp) # 8-byte Folded Reload |
| ; RV64-NEXT: addi sp, sp, 32 |
| ; RV64-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| call void @use32(i32 %n0) |
| %r = xor i32 %n1, %y |
| ret i32 %r |
| } |
| |
| ; Various bad variants |
| define i32 @n0_badmask(i32 %x, i32 %y, i32 %mask, i32 %mask2) { |
| ; CHECK-I-LABEL: n0_badmask: |
| ; CHECK-I: # %bb.0: |
| ; CHECK-I-NEXT: and a0, a0, a2 |
| ; CHECK-I-NEXT: not a2, a3 |
| ; CHECK-I-NEXT: and a1, a1, a2 |
| ; CHECK-I-NEXT: or a0, a0, a1 |
| ; CHECK-I-NEXT: ret |
| ; |
| ; CHECK-ZBB-LABEL: n0_badmask: |
| ; CHECK-ZBB: # %bb.0: |
| ; CHECK-ZBB-NEXT: and a0, a0, a2 |
| ; CHECK-ZBB-NEXT: andn a1, a1, a3 |
| ; CHECK-ZBB-NEXT: or a0, a0, a1 |
| ; CHECK-ZBB-NEXT: ret |
| %mx = and i32 %x, %mask |
| %notmask = xor i32 %mask2, -1 ; %mask2 instead of %mask |
| %my = and i32 %y, %notmask |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| define i32 @n0_badxor(i32 %x, i32 %y, i32 %mask) { |
| ; CHECK-LABEL: n0_badxor: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: and a0, a0, a2 |
| ; CHECK-NEXT: xori a2, a2, 1 |
| ; CHECK-NEXT: and a1, a1, a2 |
| ; CHECK-NEXT: or a0, a0, a1 |
| ; CHECK-NEXT: ret |
| %mx = and i32 %x, %mask |
| %notmask = xor i32 %mask, 1 ; instead of -1 |
| %my = and i32 %y, %notmask |
| %r = or i32 %mx, %my |
| ret i32 %r |
| } |
| |
| define i32 @n1_thirdvar(i32 %x, i32 %y, i32 %z, i32 %mask) { |
| ; CHECK-LABEL: n1_thirdvar: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xor a0, a0, a1 |
| ; CHECK-NEXT: and a0, a0, a3 |
| ; CHECK-NEXT: xor a0, a0, a2 |
| ; CHECK-NEXT: ret |
| %n0 = xor i32 %x, %y |
| %n1 = and i32 %n0, %mask |
| %r = xor i32 %n1, %z ; instead of %y |
| ret i32 %r |
| } |
