; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s ; shift left define i32 @and_signbit_shl(i32 %x, i32* %dst) { ; CHECK-LABEL: and_signbit_shl: ; CHECK: // %bb.0: ; CHECK-NEXT: lsl w8, w0, #8 ; CHECK-NEXT: and w0, w8, #0xff000000 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: and_nosignbit_shl: ; CHECK: // %bb.0: ; CHECK-NEXT: lsl w8, w0, #8 ; CHECK-NEXT: and w0, w8, #0xff000000 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: or_signbit_shl: ; CHECK: // %bb.0: ; CHECK-NEXT: lsl w8, w0, #8 ; CHECK-NEXT: orr w0, w8, #0xff000000 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: or_nosignbit_shl: ; CHECK: // %bb.0: ; CHECK-NEXT: lsl w8, w0, #8 ; CHECK-NEXT: orr w0, w8, #0xff000000 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: xor_signbit_shl: ; CHECK: // %bb.0: ; CHECK-NEXT: lsl w8, w0, #8 ; CHECK-NEXT: eor w0, w8, #0xff000000 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: xor_nosignbit_shl: ; CHECK: // %bb.0: ; CHECK-NEXT: lsl w8, w0, #8 ; CHECK-NEXT: eor w0, w8, #0xff000000 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: add_signbit_shl: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #-16777216 ; CHECK-NEXT: add w0, w8, w0, lsl #8 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: add_nosignbit_shl: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #-16777216 ; CHECK-NEXT: add w0, w8, w0, lsl #8 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: and_signbit_lshr: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w8, w0, #8 ; CHECK-NEXT: and w0, w8, #0xffff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: and_nosignbit_lshr: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w8, w0, #8 ; CHECK-NEXT: and w0, w8, #0x7fff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: or_signbit_lshr: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w8, w0, #8 ; CHECK-NEXT: orr w0, w8, #0xffff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: or_nosignbit_lshr: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w8, w0, #8 ; CHECK-NEXT: orr w0, w8, #0x7fff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: xor_signbit_lshr: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w8, w0, #8 ; CHECK-NEXT: eor w0, w8, #0xffff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: xor_nosignbit_lshr: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w8, w0, #8 ; CHECK-NEXT: eor w0, w8, #0x7fff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: add_signbit_lshr: ; CHECK: // %bb.0: ; CHECK-NEXT: sub w8, w0, #16, lsl #12 // =65536 ; CHECK-NEXT: lsr w0, w8, #8 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: add_nosignbit_lshr: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #2147418112 ; CHECK-NEXT: add w8, w0, w8 ; CHECK-NEXT: lsr w0, w8, #8 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: and_signbit_ashr: ; CHECK: // %bb.0: ; CHECK-NEXT: asr w8, w0, #8 ; CHECK-NEXT: and w0, w8, #0xffffff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: and_nosignbit_ashr: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w8, w0, #8 ; CHECK-NEXT: and w0, w8, #0x7fff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: or_signbit_ashr: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w8, w0, #8 ; CHECK-NEXT: orr w0, w8, #0xffffff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: or_nosignbit_ashr: ; CHECK: // %bb.0: ; CHECK-NEXT: asr w8, w0, #8 ; CHECK-NEXT: orr w0, w8, #0x7fff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: xor_signbit_ashr: ; CHECK: // %bb.0: ; CHECK-NEXT: asr w8, w0, #8 ; CHECK-NEXT: eor w0, w8, #0xffffff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: xor_nosignbit_ashr: ; CHECK: // %bb.0: ; CHECK-NEXT: asr w8, w0, #8 ; CHECK-NEXT: eor w0, w8, #0x7fff00 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: add_signbit_ashr: ; CHECK: // %bb.0: ; CHECK-NEXT: sub w8, w0, #16, lsl #12 // =65536 ; CHECK-NEXT: asr w0, w8, #8 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %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) { ; CHECK-LABEL: add_nosignbit_ashr: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #2147418112 ; CHECK-NEXT: add w8, w0, w8 ; CHECK-NEXT: asr w0, w8, #8 ; CHECK-NEXT: str w0, [x1] ; CHECK-NEXT: ret %t0 = add i32 %x, 2147418112 ; 0x7FFF0000 %r = ashr i32 %t0, 8 store i32 %r, i32* %dst ret i32 %r }