| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 |
| ; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86 |
| |
| ; shift left |
| |
| define i32 @and_signbit_select_shl(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: and_signbit_select_shl: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shll $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: and_signbit_select_shl: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: testb $1, {{[0-9]+}}(%esp) |
| ; X86-NEXT: je .LBB0_2 |
| ; X86-NEXT: # %bb.1: |
| ; X86-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X86-NEXT: .LBB0_2: |
| ; X86-NEXT: shll $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = and i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = shl i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @and_nosignbit_select_shl(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: and_nosignbit_select_shl: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shll $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: and_nosignbit_select_shl: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: testb $1, {{[0-9]+}}(%esp) |
| ; X86-NEXT: je .LBB1_2 |
| ; X86-NEXT: # %bb.1: |
| ; X86-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X86-NEXT: .LBB1_2: |
| ; X86-NEXT: shll $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = and i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = shl i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @or_signbit_select_shl(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: or_signbit_select_shl: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: orl $16711680, %eax # imm = 0xFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shll $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: or_signbit_select_shl: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X86-NEXT: orl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shll $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = or i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = shl i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @or_nosignbit_select_shl(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: or_nosignbit_select_shl: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: orl $16711680, %eax # imm = 0xFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shll $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: or_nosignbit_select_shl: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X86-NEXT: orl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shll $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = or i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = shl i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @xor_signbit_select_shl(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: xor_signbit_select_shl: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: xorl $16711680, %eax # imm = 0xFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shll $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: xor_signbit_select_shl: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shll $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = xor i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = shl i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @xor_nosignbit_select_shl(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: xor_nosignbit_select_shl: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: xorl $16711680, %eax # imm = 0xFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shll $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: xor_nosignbit_select_shl: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shll $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = xor i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = shl i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @add_signbit_select_shl(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: add_signbit_select_shl: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: leal -65536(%rdi), %eax |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shll $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: add_signbit_select_shl: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X86-NEXT: addl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shll $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = add i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = shl i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @add_nosignbit_select_shl(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: add_nosignbit_select_shl: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: leal 2147418112(%rdi), %eax |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shll $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: add_nosignbit_select_shl: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X86-NEXT: addl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shll $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = add i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = shl i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| ; logical shift right |
| |
| define i32 @and_signbit_select_lshr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: and_signbit_select_lshr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: andl $-65536, %eax # imm = 0xFFFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: and_signbit_select_lshr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: testb $1, {{[0-9]+}}(%esp) |
| ; X86-NEXT: je .LBB8_2 |
| ; X86-NEXT: # %bb.1: |
| ; X86-NEXT: andl $-65536, %eax # imm = 0xFFFF0000 |
| ; X86-NEXT: .LBB8_2: |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = and i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = lshr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @and_nosignbit_select_lshr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: and_nosignbit_select_lshr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: andl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: and_nosignbit_select_lshr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: testb $1, {{[0-9]+}}(%esp) |
| ; X86-NEXT: je .LBB9_2 |
| ; X86-NEXT: # %bb.1: |
| ; X86-NEXT: andl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X86-NEXT: .LBB9_2: |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = and i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = lshr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @or_signbit_select_lshr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: or_signbit_select_lshr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: orl $-65536, %eax # imm = 0xFFFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: or_signbit_select_lshr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $-65536, %eax # imm = 0xFFFF0000 |
| ; X86-NEXT: orl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = or i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = lshr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @or_nosignbit_select_lshr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: or_nosignbit_select_lshr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: orl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: or_nosignbit_select_lshr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X86-NEXT: orl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = or i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = lshr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @xor_signbit_select_lshr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: xor_signbit_select_lshr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: xorl $-65536, %eax # imm = 0xFFFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: xor_signbit_select_lshr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $-65536, %eax # imm = 0xFFFF0000 |
| ; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = xor i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = lshr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @xor_nosignbit_select_lshr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: xor_nosignbit_select_lshr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: xorl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: xor_nosignbit_select_lshr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = xor i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = lshr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @add_signbit_select_lshr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: add_signbit_select_lshr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: leal -65536(%rdi), %eax |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: add_signbit_select_lshr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $-65536, %eax # imm = 0xFFFF0000 |
| ; X86-NEXT: addl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = add i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = lshr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @add_nosignbit_select_lshr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: add_nosignbit_select_lshr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: leal 2147418112(%rdi), %eax |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: add_nosignbit_select_lshr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X86-NEXT: addl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = add i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = lshr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| ; arithmetic shift right |
| |
| define i32 @and_signbit_select_ashr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: and_signbit_select_ashr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: andl $-65536, %eax # imm = 0xFFFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: sarl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: and_signbit_select_ashr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: testb $1, {{[0-9]+}}(%esp) |
| ; X86-NEXT: je .LBB16_2 |
| ; X86-NEXT: # %bb.1: |
| ; X86-NEXT: andl $-65536, %eax # imm = 0xFFFF0000 |
| ; X86-NEXT: .LBB16_2: |
| ; X86-NEXT: sarl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = and i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = ashr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @and_nosignbit_select_ashr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: and_nosignbit_select_ashr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: andl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: sarl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: and_nosignbit_select_ashr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: testb $1, {{[0-9]+}}(%esp) |
| ; X86-NEXT: je .LBB17_2 |
| ; X86-NEXT: # %bb.1: |
| ; X86-NEXT: andl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X86-NEXT: .LBB17_2: |
| ; X86-NEXT: sarl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = and i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = ashr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @or_signbit_select_ashr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: or_signbit_select_ashr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: orl $-65536, %eax # imm = 0xFFFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: sarl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: or_signbit_select_ashr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $-65536, %eax # imm = 0xFFFF0000 |
| ; X86-NEXT: orl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: sarl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = or i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = ashr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @or_nosignbit_select_ashr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: or_nosignbit_select_ashr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: orl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: sarl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: or_nosignbit_select_ashr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X86-NEXT: orl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: sarl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = or i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = ashr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @xor_signbit_select_ashr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: xor_signbit_select_ashr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: xorl $-65536, %eax # imm = 0xFFFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: sarl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: xor_signbit_select_ashr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $-65536, %eax # imm = 0xFFFF0000 |
| ; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: sarl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = xor i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = ashr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @xor_nosignbit_select_ashr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: xor_nosignbit_select_ashr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: xorl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: sarl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: xor_nosignbit_select_ashr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: sarl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = xor i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = ashr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @add_signbit_select_ashr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: add_signbit_select_ashr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: leal -65536(%rdi), %eax |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: sarl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: add_signbit_select_ashr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $-65536, %eax # imm = 0xFFFF0000 |
| ; X86-NEXT: addl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: sarl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = add i32 %x, 4294901760 ; 0xFFFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = ashr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| define i32 @add_nosignbit_select_ashr(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: add_nosignbit_select_ashr: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: leal 2147418112(%rdi), %eax |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: sarl $8, %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: add_nosignbit_select_ashr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: andl $2147418112, %eax # imm = 0x7FFF0000 |
| ; X86-NEXT: addl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: sarl $8, %eax |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = add i32 %x, 2147418112 ; 0x7FFF0000 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = ashr i32 %t1, 8 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @shl_signbit_select_add(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: shl_signbit_select_add: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: shll $4, %eax |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: addl $123456, %eax # imm = 0x1E240 |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: shl_signbit_select_add: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: andb $1, %cl |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: negb %cl |
| ; X86-NEXT: andb $4, %cl |
| ; X86-NEXT: shll %cl, %eax |
| ; X86-NEXT: addl $123456, %eax # imm = 0x1E240 |
| ; X86-NEXT: movl %eax, (%edx) |
| ; X86-NEXT: retl |
| %t0 = shl i32 %x, 4 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = add i32 %t1, 123456 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @shl_signbit_select_add_fail(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: shl_signbit_select_add_fail: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: shll $4, %eax |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovnel %edi, %eax |
| ; X64-NEXT: addl $123456, %eax # imm = 0x1E240 |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: shl_signbit_select_add_fail: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: testb $1, {{[0-9]+}}(%esp) |
| ; X86-NEXT: jne .LBB25_2 |
| ; X86-NEXT: # %bb.1: |
| ; X86-NEXT: shll $4, %eax |
| ; X86-NEXT: .LBB25_2: |
| ; X86-NEXT: addl $123456, %eax # imm = 0x1E240 |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = shl i32 %x, 4 |
| %t1 = select i1 %cond, i32 %x, i32 %t0 |
| %r = add i32 %t1, 123456 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @lshr_signbit_select_add(i32 %x, i1 %cond, ptr %dst, i32 %y) { |
| ; X64-LABEL: lshr_signbit_select_add: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-NEXT: shrl %cl, %eax |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: addl $123456, %eax # imm = 0x1E240 |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: lshr_signbit_select_add: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: andb $1, %cl |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: negb %cl |
| ; X86-NEXT: andb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: shrl %cl, %eax |
| ; X86-NEXT: addl $123456, %eax # imm = 0x1E240 |
| ; X86-NEXT: movl %eax, (%edx) |
| ; X86-NEXT: retl |
| %t0 = lshr i32 %x, %y |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = add i32 %t1, 123456 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @ashr_signbit_select_add(i32 %x, i1 %cond, ptr %dst) { |
| ; X64-LABEL: ashr_signbit_select_add: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: sarl $4, %eax |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %eax |
| ; X64-NEXT: addl $123456, %eax # imm = 0x1E240 |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: ashr_signbit_select_add: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: andb $1, %cl |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: negb %cl |
| ; X86-NEXT: andb $4, %cl |
| ; X86-NEXT: sarl %cl, %eax |
| ; X86-NEXT: addl $123456, %eax # imm = 0x1E240 |
| ; X86-NEXT: movl %eax, (%edx) |
| ; X86-NEXT: retl |
| %t0 = ashr i32 %x, 4 |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = add i32 %t1, 123456 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| define i32 @and_signbit_select_add(i32 %x, i1 %cond, ptr %dst, i32 %y) { |
| ; X64-LABEL: and_signbit_select_add: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $ecx killed $ecx def $rcx |
| ; X64-NEXT: andl %edi, %ecx |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovnel %edi, %ecx |
| ; X64-NEXT: leal 123456(%rcx), %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: and_signbit_select_add: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl $1, %eax |
| ; X86-NEXT: negl %eax |
| ; X86-NEXT: orl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: andl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: addl $123456, %eax # imm = 0x1E240 |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = and i32 %x, %y |
| %t1 = select i1 %cond, i32 %x, i32 %t0 |
| %r = add i32 %t1, 123456 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |
| |
| define i32 @and_signbit_select_add_fail(i32 %x, i1 %cond, ptr %dst, i32 %y) { |
| ; X64-LABEL: and_signbit_select_add_fail: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $ecx killed $ecx def $rcx |
| ; X64-NEXT: andl %edi, %ecx |
| ; X64-NEXT: testb $1, %sil |
| ; X64-NEXT: cmovel %edi, %ecx |
| ; X64-NEXT: leal 123456(%rcx), %eax |
| ; X64-NEXT: movl %eax, (%rdx) |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: and_signbit_select_add_fail: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: testb $1, {{[0-9]+}}(%esp) |
| ; X86-NEXT: je .LBB29_2 |
| ; X86-NEXT: # %bb.1: |
| ; X86-NEXT: andl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: .LBB29_2: |
| ; X86-NEXT: addl $123456, %eax # imm = 0x1E240 |
| ; X86-NEXT: movl %eax, (%ecx) |
| ; X86-NEXT: retl |
| %t0 = and i32 %x, %y |
| %t1 = select i1 %cond, i32 %t0, i32 %x |
| %r = add i32 %t1, 123456 |
| store i32 %r, ptr %dst |
| ret i32 %r |
| } |
| |