; 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=X32 ; shift left define i32 @and_signbit_shl(i32 %x, i32* %dst) { ; X64-LABEL: and_signbit_shl: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $8, %eax ; X64-NEXT: andl $-16777216, %eax # imm = 0xFF000000 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: and_signbit_shl: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shll $24, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = and i32 %x, 4294901760 ; 0xFFFF0000 %r = shl i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @and_nosignbit_shl(i32 %x, i32* %dst) { ; X64-LABEL: and_nosignbit_shl: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $8, %eax ; X64-NEXT: andl $-16777216, %eax # imm = 0xFF000000 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: and_nosignbit_shl: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shll $24, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = and i32 %x, 2147418112 ; 0x7FFF0000 %r = shl i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @or_signbit_shl(i32 %x, i32* %dst) { ; X64-LABEL: or_signbit_shl: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $8, %eax ; X64-NEXT: orl $-16777216, %eax # imm = 0xFF000000 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: or_signbit_shl: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shll $8, %eax ; X32-NEXT: orl $-16777216, %eax # imm = 0xFF000000 ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = or i32 %x, 4294901760 ; 0xFFFF0000 %r = shl i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @or_nosignbit_shl(i32 %x, i32* %dst) { ; X64-LABEL: or_nosignbit_shl: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $8, %eax ; X64-NEXT: orl $-16777216, %eax # imm = 0xFF000000 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: or_nosignbit_shl: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shll $8, %eax ; X32-NEXT: orl $-16777216, %eax # imm = 0xFF000000 ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = or i32 %x, 2147418112 ; 0x7FFF0000 %r = shl i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @xor_signbit_shl(i32 %x, i32* %dst) { ; X64-LABEL: xor_signbit_shl: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $8, %eax ; X64-NEXT: xorl $-16777216, %eax # imm = 0xFF000000 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: xor_signbit_shl: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $16711680, %eax # imm = 0xFF0000 ; X32-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shll $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = xor i32 %x, 4294901760 ; 0xFFFF0000 %r = shl i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @xor_nosignbit_shl(i32 %x, i32* %dst) { ; X64-LABEL: xor_nosignbit_shl: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $8, %eax ; X64-NEXT: xorl $-16777216, %eax # imm = 0xFF000000 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: xor_nosignbit_shl: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $16711680, %eax # imm = 0xFF0000 ; X32-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shll $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = xor i32 %x, 2147418112 ; 0x7FFF0000 %r = shl i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @add_signbit_shl(i32 %x, i32* %dst) { ; X64-LABEL: add_signbit_shl: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $8, %eax ; X64-NEXT: addl $-16777216, %eax # imm = 0xFF000000 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: add_signbit_shl: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shll $8, %eax ; X32-NEXT: addl $-16777216, %eax # imm = 0xFF000000 ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = add i32 %x, 4294901760 ; 0xFFFF0000 %r = shl i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @add_nosignbit_shl(i32 %x, i32* %dst) { ; X64-LABEL: add_nosignbit_shl: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $8, %eax ; X64-NEXT: addl $-16777216, %eax # imm = 0xFF000000 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: add_nosignbit_shl: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shll $8, %eax ; X32-NEXT: addl $-16777216, %eax # imm = 0xFF000000 ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = add i32 %x, 2147418112 ; 0x7FFF0000 %r = shl i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } ; logical shift right define i32 @and_signbit_lshr(i32 %x, i32* %dst) { ; X64-LABEL: and_signbit_lshr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shrl $8, %eax ; X64-NEXT: andl $16776960, %eax # imm = 0xFFFF00 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: and_signbit_lshr: ; X32: # %bb.0: ; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shll $16, %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: shrl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = and i32 %x, 4294901760 ; 0xFFFF0000 %r = lshr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @and_nosignbit_lshr(i32 %x, i32* %dst) { ; X64-LABEL: and_nosignbit_lshr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shrl $8, %eax ; X64-NEXT: andl $8388352, %eax # imm = 0x7FFF00 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: and_nosignbit_lshr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $2147418112, %eax # imm = 0x7FFF0000 ; X32-NEXT: andl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shrl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = and i32 %x, 2147418112 ; 0x7FFF0000 %r = lshr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @or_signbit_lshr(i32 %x, i32* %dst) { ; X64-LABEL: or_signbit_lshr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shrl $8, %eax ; X64-NEXT: orl $16776960, %eax # imm = 0xFFFF00 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: or_signbit_lshr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $-65536, %eax # imm = 0xFFFF0000 ; X32-NEXT: orl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shrl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = or i32 %x, 4294901760 ; 0xFFFF0000 %r = lshr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @or_nosignbit_lshr(i32 %x, i32* %dst) { ; X64-LABEL: or_nosignbit_lshr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shrl $8, %eax ; X64-NEXT: orl $8388352, %eax # imm = 0x7FFF00 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: or_nosignbit_lshr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $2147418112, %eax # imm = 0x7FFF0000 ; X32-NEXT: orl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shrl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = or i32 %x, 2147418112 ; 0x7FFF0000 %r = lshr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @xor_signbit_lshr(i32 %x, i32* %dst) { ; X64-LABEL: xor_signbit_lshr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shrl $8, %eax ; X64-NEXT: xorl $16776960, %eax # imm = 0xFFFF00 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: xor_signbit_lshr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $-65536, %eax # imm = 0xFFFF0000 ; X32-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shrl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = xor i32 %x, 4294901760 ; 0xFFFF0000 %r = lshr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @xor_nosignbit_lshr(i32 %x, i32* %dst) { ; X64-LABEL: xor_nosignbit_lshr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shrl $8, %eax ; X64-NEXT: xorl $8388352, %eax # imm = 0x7FFF00 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: xor_nosignbit_lshr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $2147418112, %eax # imm = 0x7FFF0000 ; X32-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shrl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = xor i32 %x, 2147418112 ; 0x7FFF0000 %r = lshr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @add_signbit_lshr(i32 %x, i32* %dst) { ; X64-LABEL: add_signbit_lshr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: addl $-65536, %eax # imm = 0xFFFF0000 ; X64-NEXT: shrl $8, %eax ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: add_signbit_lshr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $-65536, %eax # imm = 0xFFFF0000 ; X32-NEXT: addl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shrl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = add i32 %x, 4294901760 ; 0xFFFF0000 %r = lshr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @add_nosignbit_lshr(i32 %x, i32* %dst) { ; X64-LABEL: add_nosignbit_lshr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: addl $2147418112, %eax # imm = 0x7FFF0000 ; X64-NEXT: shrl $8, %eax ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: add_nosignbit_lshr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $2147418112, %eax # imm = 0x7FFF0000 ; X32-NEXT: addl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shrl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = add i32 %x, 2147418112 ; 0x7FFF0000 %r = lshr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } ; arithmetic shift right define i32 @and_signbit_ashr(i32 %x, i32* %dst) { ; X64-LABEL: and_signbit_ashr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: sarl $8, %eax ; X64-NEXT: andl $-256, %eax ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: and_signbit_ashr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movswl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shll $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = and i32 %x, 4294901760 ; 0xFFFF0000 %r = ashr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @and_nosignbit_ashr(i32 %x, i32* %dst) { ; X64-LABEL: and_nosignbit_ashr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shrl $8, %eax ; X64-NEXT: andl $8388352, %eax # imm = 0x7FFF00 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: and_nosignbit_ashr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $2147418112, %eax # imm = 0x7FFF0000 ; X32-NEXT: andl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shrl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = and i32 %x, 2147418112 ; 0x7FFF0000 %r = ashr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @or_signbit_ashr(i32 %x, i32* %dst) { ; X64-LABEL: or_signbit_ashr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shrl $8, %eax ; X64-NEXT: orl $-256, %eax ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: or_signbit_ashr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $-65536, %eax # imm = 0xFFFF0000 ; X32-NEXT: orl {{[0-9]+}}(%esp), %eax ; X32-NEXT: sarl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = or i32 %x, 4294901760 ; 0xFFFF0000 %r = ashr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @or_nosignbit_ashr(i32 %x, i32* %dst) { ; X64-LABEL: or_nosignbit_ashr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: sarl $8, %eax ; X64-NEXT: orl $8388352, %eax # imm = 0x7FFF00 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: or_nosignbit_ashr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $2147418112, %eax # imm = 0x7FFF0000 ; X32-NEXT: orl {{[0-9]+}}(%esp), %eax ; X32-NEXT: sarl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = or i32 %x, 2147418112 ; 0x7FFF0000 %r = ashr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @xor_signbit_ashr(i32 %x, i32* %dst) { ; X64-LABEL: xor_signbit_ashr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: sarl $8, %eax ; X64-NEXT: xorl $-256, %eax ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: xor_signbit_ashr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $-65536, %eax # imm = 0xFFFF0000 ; X32-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X32-NEXT: sarl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = xor i32 %x, 4294901760 ; 0xFFFF0000 %r = ashr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @xor_nosignbit_ashr(i32 %x, i32* %dst) { ; X64-LABEL: xor_nosignbit_ashr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: sarl $8, %eax ; X64-NEXT: xorl $8388352, %eax # imm = 0x7FFF00 ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: xor_nosignbit_ashr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $2147418112, %eax # imm = 0x7FFF0000 ; X32-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X32-NEXT: sarl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = xor i32 %x, 2147418112 ; 0x7FFF0000 %r = ashr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @add_signbit_ashr(i32 %x, i32* %dst) { ; X64-LABEL: add_signbit_ashr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: addl $-65536, %eax # imm = 0xFFFF0000 ; X64-NEXT: sarl $8, %eax ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: add_signbit_ashr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $-65536, %eax # imm = 0xFFFF0000 ; X32-NEXT: addl {{[0-9]+}}(%esp), %eax ; X32-NEXT: sarl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = add i32 %x, 4294901760 ; 0xFFFF0000 %r = ashr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r } define i32 @add_nosignbit_ashr(i32 %x, i32* %dst) { ; X64-LABEL: add_nosignbit_ashr: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: addl $2147418112, %eax # imm = 0x7FFF0000 ; X64-NEXT: sarl $8, %eax ; X64-NEXT: movl %eax, (%rsi) ; X64-NEXT: retq ; ; X32-LABEL: add_nosignbit_ashr: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl $2147418112, %eax # imm = 0x7FFF0000 ; X32-NEXT: addl {{[0-9]+}}(%esp), %eax ; X32-NEXT: sarl $8, %eax ; X32-NEXT: movl %eax, (%ecx) ; X32-NEXT: retl %t0 = add i32 %x, 2147418112 ; 0x7FFF0000 %r = ashr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r }