; 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 }