; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=-bmi < %s | FileCheck %s --check-prefix=CHECK-NOBMI ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi < %s | FileCheck %s --check-prefix=CHECK-BMI ; https://bugs.llvm.org/show_bug.cgi?id=37104 define i8 @out8(i8 %x, i8 %y, i8 %mask) { ; CHECK-NOBMI-LABEL: out8: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edx, %eax ; CHECK-NOBMI-NEXT: andl %edx, %edi ; CHECK-NOBMI-NEXT: notb %al ; CHECK-NOBMI-NEXT: andb %sil, %al ; CHECK-NOBMI-NEXT: orb %dil, %al ; CHECK-NOBMI-NEXT: # kill: def $al killed $al killed $eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out8: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: movl %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: notb %al ; CHECK-BMI-NEXT: andb %sil, %al ; CHECK-BMI-NEXT: orb %dil, %al ; CHECK-BMI-NEXT: # kill: def $al killed $al killed $eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: out16: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edx, %eax ; CHECK-NOBMI-NEXT: andl %edx, %edi ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl %esi, %eax ; CHECK-NOBMI-NEXT: orl %edi, %eax ; CHECK-NOBMI-NEXT: # kill: def $ax killed $ax killed $eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out16: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: # kill: def $ax killed $ax killed $eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: out32: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edx, %eax ; CHECK-NOBMI-NEXT: andl %edx, %edi ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl %esi, %eax ; CHECK-NOBMI-NEXT: orl %edi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out32: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: retq %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) { ; CHECK-NOBMI-LABEL: out64: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movq %rdx, %rax ; CHECK-NOBMI-NEXT: andq %rdx, %rdi ; CHECK-NOBMI-NEXT: notq %rax ; CHECK-NOBMI-NEXT: andq %rsi, %rax ; CHECK-NOBMI-NEXT: orq %rdi, %rax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out64: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andq %rdx, %rdi ; CHECK-BMI-NEXT: andnq %rsi, %rdx, %rax ; CHECK-BMI-NEXT: orq %rdi, %rax ; CHECK-BMI-NEXT: retq %mx = and i64 %x, %mask %notmask = xor i64 %mask, -1 %my = and i64 %y, %notmask %r = or i64 %mx, %my ret i64 %r } ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; Should be the same as the previous one. ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; define i8 @in8(i8 %x, i8 %y, i8 %mask) { ; CHECK-NOBMI-LABEL: in8: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: # kill: def $al killed $al killed $eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in8: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: # kill: def $al killed $al killed $eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in16: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: # kill: def $ax killed $ax killed $eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in16: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: # kill: def $ax killed $ax killed $eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in32: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in32: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: retq %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) { ; CHECK-NOBMI-LABEL: in64: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movq %rdi, %rax ; CHECK-NOBMI-NEXT: xorq %rsi, %rax ; CHECK-NOBMI-NEXT: andq %rdx, %rax ; CHECK-NOBMI-NEXT: xorq %rsi, %rax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in64: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnq %rsi, %rdx, %rax ; CHECK-BMI-NEXT: andq %rdx, %rdi ; CHECK-BMI-NEXT: orq %rdi, %rax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_commutativity_0_0_1: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_commutativity_0_0_1: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_commutativity_0_1_0: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_commutativity_0_1_0: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_commutativity_0_1_1: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_commutativity_0_1_1: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_commutativity_1_0_0: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %esi, %eax ; CHECK-NOBMI-NEXT: xorl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %edi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_commutativity_1_0_0: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %edi, %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: orl %esi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_commutativity_1_0_1: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %esi, %eax ; CHECK-NOBMI-NEXT: xorl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %edi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_commutativity_1_0_1: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %edi, %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: orl %esi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_commutativity_1_1_0: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %esi, %eax ; CHECK-NOBMI-NEXT: xorl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %edi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_commutativity_1_1_0: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %edi, %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: orl %esi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_commutativity_1_1_1: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %esi, %eax ; CHECK-NOBMI-NEXT: xorl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %edi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_commutativity_1_1_1: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %edi, %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: orl %esi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_complex_y0: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %esi ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %ecx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_complex_y0: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: andl %ecx, %edi ; CHECK-BMI-NEXT: andnl %esi, %ecx, %eax ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_complex_y1: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %esi ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %ecx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_complex_y1: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: andl %ecx, %edi ; CHECK-BMI-NEXT: andnl %esi, %ecx, %eax ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_complex_m0: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: xorl %ecx, %edx ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_complex_m0: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: xorl %ecx, %edx ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: andl %edi, %edx ; CHECK-BMI-NEXT: orl %edx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_complex_m1: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: xorl %ecx, %edx ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_complex_m1: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: xorl %ecx, %edx ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: andl %edi, %edx ; CHECK-BMI-NEXT: orl %edx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_complex_y0_m0: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %esi ; CHECK-NOBMI-NEXT: xorl %r8d, %ecx ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %ecx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_complex_y0_m0: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: xorl %r8d, %ecx ; CHECK-BMI-NEXT: andnl %esi, %ecx, %eax ; CHECK-BMI-NEXT: andl %edi, %ecx ; CHECK-BMI-NEXT: orl %ecx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_complex_y1_m0: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %esi ; CHECK-NOBMI-NEXT: xorl %r8d, %ecx ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %ecx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_complex_y1_m0: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: xorl %r8d, %ecx ; CHECK-BMI-NEXT: andnl %esi, %ecx, %eax ; CHECK-BMI-NEXT: andl %edi, %ecx ; CHECK-BMI-NEXT: orl %ecx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_complex_y0_m1: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %esi ; CHECK-NOBMI-NEXT: xorl %r8d, %ecx ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %ecx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_complex_y0_m1: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: xorl %r8d, %ecx ; CHECK-BMI-NEXT: andnl %esi, %ecx, %eax ; CHECK-BMI-NEXT: andl %edi, %ecx ; CHECK-BMI-NEXT: orl %ecx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_complex_y1_m1: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %esi ; CHECK-NOBMI-NEXT: xorl %r8d, %ecx ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %ecx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_complex_y1_m1: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: xorl %r8d, %ecx ; CHECK-BMI-NEXT: andnl %esi, %ecx, %eax ; CHECK-BMI-NEXT: andl %edi, %ecx ; CHECK-BMI-NEXT: orl %ecx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: out_constant_varx_mone: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: notl %edx ; CHECK-NOBMI-NEXT: orl %edx, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out_constant_varx_mone: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: movl %edi, %eax ; CHECK-BMI-NEXT: andl %edx, %eax ; CHECK-BMI-NEXT: notl %edx ; CHECK-BMI-NEXT: orl %edx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_constant_varx_mone: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_constant_varx_mone: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %edx, %edi, %eax ; CHECK-BMI-NEXT: notl %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: out_constant_varx_mone_invmask: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edx, %eax ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl %edi, %eax ; CHECK-NOBMI-NEXT: orl %edx, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out_constant_varx_mone_invmask: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %edi, %edx, %eax ; CHECK-BMI-NEXT: orl %edx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_constant_varx_mone_invmask: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: notl %edx ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_constant_varx_mone_invmask: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: notl %edx ; CHECK-BMI-NEXT: andnl %edx, %edi, %eax ; CHECK-BMI-NEXT: notl %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: out_constant_varx_42: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: andl %edx, %edi ; CHECK-NOBMI-NEXT: movl %edx, %eax ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl $42, %eax ; CHECK-NOBMI-NEXT: orl %edi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out_constant_varx_42: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: movl %edx, %eax ; CHECK-BMI-NEXT: notl %eax ; CHECK-BMI-NEXT: andl $42, %eax ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_constant_varx_42: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: xorl $42, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl $42, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_constant_varx_42: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %edx, %edi, %eax ; CHECK-BMI-NEXT: orl $42, %edx ; CHECK-BMI-NEXT: andnl %edx, %eax, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: out_constant_varx_42_invmask: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edx, %eax ; CHECK-NOBMI-NEXT: movl %edx, %ecx ; CHECK-NOBMI-NEXT: notl %ecx ; CHECK-NOBMI-NEXT: andl %edi, %ecx ; CHECK-NOBMI-NEXT: andl $42, %eax ; CHECK-NOBMI-NEXT: orl %ecx, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out_constant_varx_42_invmask: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %edi, %edx, %eax ; CHECK-BMI-NEXT: andl $42, %edx ; CHECK-BMI-NEXT: orl %edx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_constant_varx_42_invmask: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: notl %edx ; CHECK-NOBMI-NEXT: xorl $42, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl $42, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_constant_varx_42_invmask: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: notl %edx ; CHECK-BMI-NEXT: andnl %edx, %edi, %eax ; CHECK-BMI-NEXT: orl $42, %edx ; CHECK-BMI-NEXT: andnl %edx, %eax, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: out_constant_mone_vary: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edx, %eax ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl %esi, %eax ; CHECK-NOBMI-NEXT: orl %edx, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out_constant_mone_vary: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: orl %edx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_constant_mone_vary: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %esi, %eax ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_constant_mone_vary: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %edx, %esi, %eax ; CHECK-BMI-NEXT: xorl %esi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: out_constant_mone_vary_invmask: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %esi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: notl %edx ; CHECK-NOBMI-NEXT: orl %edx, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out_constant_mone_vary_invmask: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: movl %esi, %eax ; CHECK-BMI-NEXT: andl %edx, %eax ; CHECK-BMI-NEXT: notl %edx ; CHECK-BMI-NEXT: orl %edx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_constant_mone_vary_invmask: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: notl %edx ; CHECK-NOBMI-NEXT: movl %esi, %eax ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_constant_mone_vary_invmask: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: notl %edx ; CHECK-BMI-NEXT: andnl %edx, %esi, %eax ; CHECK-BMI-NEXT: xorl %esi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: out_constant_42_vary: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edx, %eax ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl $42, %edx ; CHECK-NOBMI-NEXT: andl %esi, %eax ; CHECK-NOBMI-NEXT: orl %edx, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out_constant_42_vary: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: andl $42, %edx ; CHECK-BMI-NEXT: orl %edx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_constant_42_vary: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %esi, %eax ; CHECK-NOBMI-NEXT: xorl $42, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_constant_42_vary: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andnl %esi, %edx, %eax ; CHECK-BMI-NEXT: andl $42, %edx ; CHECK-BMI-NEXT: orl %edx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: out_constant_42_vary_invmask: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %esi, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: notl %edx ; CHECK-NOBMI-NEXT: andl $42, %edx ; CHECK-NOBMI-NEXT: orl %edx, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: out_constant_42_vary_invmask: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: movl %esi, %eax ; CHECK-BMI-NEXT: andl %edx, %eax ; CHECK-BMI-NEXT: notl %edx ; CHECK-BMI-NEXT: andl $42, %edx ; CHECK-BMI-NEXT: orl %edx, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: in_constant_42_vary_invmask: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: notl %edx ; CHECK-NOBMI-NEXT: movl %esi, %eax ; CHECK-NOBMI-NEXT: xorl $42, %eax ; CHECK-NOBMI-NEXT: andl %edx, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_constant_42_vary_invmask: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: movl %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %esi ; CHECK-BMI-NEXT: notl %eax ; CHECK-BMI-NEXT: andl $42, %eax ; CHECK-BMI-NEXT: orl %esi, %eax ; CHECK-BMI-NEXT: retq %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 { ; CHECK-NOBMI-LABEL: in_multiuse_A: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: pushq %rbp ; CHECK-NOBMI-NEXT: pushq %rbx ; CHECK-NOBMI-NEXT: pushq %rax ; CHECK-NOBMI-NEXT: movl %esi, %ebx ; CHECK-NOBMI-NEXT: movl %edi, %ebp ; CHECK-NOBMI-NEXT: xorl %esi, %ebp ; CHECK-NOBMI-NEXT: andl %ecx, %ebp ; CHECK-NOBMI-NEXT: movl %ebp, %edi ; CHECK-NOBMI-NEXT: callq use32 ; CHECK-NOBMI-NEXT: xorl %ebx, %ebp ; CHECK-NOBMI-NEXT: movl %ebp, %eax ; CHECK-NOBMI-NEXT: addq $8, %rsp ; CHECK-NOBMI-NEXT: popq %rbx ; CHECK-NOBMI-NEXT: popq %rbp ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_multiuse_A: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: pushq %rbp ; CHECK-BMI-NEXT: pushq %rbx ; CHECK-BMI-NEXT: pushq %rax ; CHECK-BMI-NEXT: movl %esi, %ebx ; CHECK-BMI-NEXT: movl %edi, %ebp ; CHECK-BMI-NEXT: xorl %esi, %ebp ; CHECK-BMI-NEXT: andl %ecx, %ebp ; CHECK-BMI-NEXT: movl %ebp, %edi ; CHECK-BMI-NEXT: callq use32 ; CHECK-BMI-NEXT: xorl %ebx, %ebp ; CHECK-BMI-NEXT: movl %ebp, %eax ; CHECK-BMI-NEXT: addq $8, %rsp ; CHECK-BMI-NEXT: popq %rbx ; CHECK-BMI-NEXT: popq %rbp ; CHECK-BMI-NEXT: retq %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 { ; CHECK-NOBMI-LABEL: in_multiuse_B: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: pushq %rbp ; CHECK-NOBMI-NEXT: pushq %rbx ; CHECK-NOBMI-NEXT: pushq %rax ; CHECK-NOBMI-NEXT: movl %ecx, %ebx ; CHECK-NOBMI-NEXT: movl %esi, %ebp ; CHECK-NOBMI-NEXT: xorl %esi, %edi ; CHECK-NOBMI-NEXT: andl %edi, %ebx ; CHECK-NOBMI-NEXT: callq use32 ; CHECK-NOBMI-NEXT: xorl %ebp, %ebx ; CHECK-NOBMI-NEXT: movl %ebx, %eax ; CHECK-NOBMI-NEXT: addq $8, %rsp ; CHECK-NOBMI-NEXT: popq %rbx ; CHECK-NOBMI-NEXT: popq %rbp ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: in_multiuse_B: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: pushq %rbp ; CHECK-BMI-NEXT: pushq %rbx ; CHECK-BMI-NEXT: pushq %rax ; CHECK-BMI-NEXT: movl %ecx, %ebx ; CHECK-BMI-NEXT: movl %esi, %ebp ; CHECK-BMI-NEXT: xorl %esi, %edi ; CHECK-BMI-NEXT: andl %edi, %ebx ; CHECK-BMI-NEXT: callq use32 ; CHECK-BMI-NEXT: xorl %ebp, %ebx ; CHECK-BMI-NEXT: movl %ebx, %eax ; CHECK-BMI-NEXT: addq $8, %rsp ; CHECK-BMI-NEXT: popq %rbx ; CHECK-BMI-NEXT: popq %rbp ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: n0_badmask: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %ecx, %eax ; CHECK-NOBMI-NEXT: andl %edx, %edi ; CHECK-NOBMI-NEXT: notl %eax ; CHECK-NOBMI-NEXT: andl %esi, %eax ; CHECK-NOBMI-NEXT: orl %edi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: n0_badmask: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: andnl %esi, %ecx, %eax ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: n0_badxor: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edx, %eax ; CHECK-NOBMI-NEXT: andl %edx, %edi ; CHECK-NOBMI-NEXT: xorl $1, %eax ; CHECK-NOBMI-NEXT: andl %esi, %eax ; CHECK-NOBMI-NEXT: orl %edi, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: n0_badxor: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: movl %edx, %eax ; CHECK-BMI-NEXT: andl %edx, %edi ; CHECK-BMI-NEXT: xorl $1, %eax ; CHECK-BMI-NEXT: andl %esi, %eax ; CHECK-BMI-NEXT: orl %edi, %eax ; CHECK-BMI-NEXT: retq %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-NOBMI-LABEL: n1_thirdvar: ; CHECK-NOBMI: # %bb.0: ; CHECK-NOBMI-NEXT: movl %edi, %eax ; CHECK-NOBMI-NEXT: xorl %esi, %eax ; CHECK-NOBMI-NEXT: andl %ecx, %eax ; CHECK-NOBMI-NEXT: xorl %edx, %eax ; CHECK-NOBMI-NEXT: retq ; ; CHECK-BMI-LABEL: n1_thirdvar: ; CHECK-BMI: # %bb.0: ; CHECK-BMI-NEXT: movl %edi, %eax ; CHECK-BMI-NEXT: xorl %esi, %eax ; CHECK-BMI-NEXT: andl %ecx, %eax ; CHECK-BMI-NEXT: xorl %edx, %eax ; CHECK-BMI-NEXT: retq %n0 = xor i32 %x, %y %n1 = and i32 %n0, %mask %r = xor i32 %n1, %z ; instead of %y ret i32 %r }