| ; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s |
| |
| define <8 x i16> @vshlls8(ptr %A) nounwind { |
| ;CHECK-LABEL: vshlls8: |
| ;CHECK: vshll.s8 |
| %tmp1 = load <8 x i8>, ptr %A |
| %sext = sext <8 x i8> %tmp1 to <8 x i16> |
| %shift = shl <8 x i16> %sext, <i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7> |
| ret <8 x i16> %shift |
| } |
| |
| define <4 x i32> @vshlls16(ptr %A) nounwind { |
| ;CHECK-LABEL: vshlls16: |
| ;CHECK: vshll.s16 |
| %tmp1 = load <4 x i16>, ptr %A |
| %sext = sext <4 x i16> %tmp1 to <4 x i32> |
| %shift = shl <4 x i32> %sext, <i32 15, i32 15, i32 15, i32 15> |
| ret <4 x i32> %shift |
| } |
| |
| define <2 x i64> @vshlls32(ptr %A) nounwind { |
| ;CHECK-LABEL: vshlls32: |
| ;CHECK: vshll.s32 |
| %tmp1 = load <2 x i32>, ptr %A |
| %sext = sext <2 x i32> %tmp1 to <2 x i64> |
| %shift = shl <2 x i64> %sext, <i64 31, i64 31> |
| ret <2 x i64> %shift |
| } |
| |
| define <8 x i16> @vshllu8(ptr %A) nounwind { |
| ;CHECK-LABEL: vshllu8: |
| ;CHECK: vshll.u8 |
| %tmp1 = load <8 x i8>, ptr %A |
| %zext = zext <8 x i8> %tmp1 to <8 x i16> |
| %shift = shl <8 x i16> %zext, <i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7> |
| ret <8 x i16> %shift |
| } |
| |
| define <4 x i32> @vshllu16(ptr %A) nounwind { |
| ;CHECK-LABEL: vshllu16: |
| ;CHECK: vshll.u16 |
| %tmp1 = load <4 x i16>, ptr %A |
| %zext = zext <4 x i16> %tmp1 to <4 x i32> |
| %shift = shl <4 x i32> %zext, <i32 15, i32 15, i32 15, i32 15> |
| ret <4 x i32> %shift |
| } |
| |
| define <2 x i64> @vshllu32(ptr %A) nounwind { |
| ;CHECK-LABEL: vshllu32: |
| ;CHECK: vshll.u32 |
| %tmp1 = load <2 x i32>, ptr %A |
| %zext = zext <2 x i32> %tmp1 to <2 x i64> |
| %shift = shl <2 x i64> %zext, <i64 31, i64 31> |
| ret <2 x i64> %shift |
| } |
| |
| ; The following tests use the maximum shift count, so the signedness is |
| ; irrelevant. Test both signed and unsigned versions. |
| define <8 x i16> @vshlli8(ptr %A) nounwind { |
| ;CHECK-LABEL: vshlli8: |
| ;CHECK: vshll.i8 |
| %tmp1 = load <8 x i8>, ptr %A |
| %sext = sext <8 x i8> %tmp1 to <8 x i16> |
| %shift = shl <8 x i16> %sext, <i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8> |
| ret <8 x i16> %shift |
| } |
| |
| define <4 x i32> @vshlli16(ptr %A) nounwind { |
| ;CHECK-LABEL: vshlli16: |
| ;CHECK: vshll.i16 |
| %tmp1 = load <4 x i16>, ptr %A |
| %zext = zext <4 x i16> %tmp1 to <4 x i32> |
| %shift = shl <4 x i32> %zext, <i32 16, i32 16, i32 16, i32 16> |
| ret <4 x i32> %shift |
| } |
| |
| define <2 x i64> @vshlli32(ptr %A) nounwind { |
| ;CHECK-LABEL: vshlli32: |
| ;CHECK: vshll.i32 |
| %tmp1 = load <2 x i32>, ptr %A |
| %zext = zext <2 x i32> %tmp1 to <2 x i64> |
| %shift = shl <2 x i64> %zext, <i64 32, i64 32> |
| ret <2 x i64> %shift |
| } |
| |
| ; And these have a shift just out of range so separate vmovl and vshl |
| ; instructions are needed. |
| define <8 x i16> @vshllu8_bad(ptr %A) nounwind { |
| ; CHECK-LABEL: vshllu8_bad: |
| ; CHECK: vmovl.u8 |
| ; CHECK: vshl.i16 |
| %tmp1 = load <8 x i8>, ptr %A |
| %zext = zext <8 x i8> %tmp1 to <8 x i16> |
| %shift = shl <8 x i16> %zext, <i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9> |
| ret <8 x i16> %shift |
| } |
| |
| define <4 x i32> @vshlls16_bad(ptr %A) nounwind { |
| ; CHECK-LABEL: vshlls16_bad: |
| ; CHECK: vmovl.u16 |
| ; CHECK: vshl.i32 |
| %tmp1 = load <4 x i16>, ptr %A |
| %sext = sext <4 x i16> %tmp1 to <4 x i32> |
| %shift = shl <4 x i32> %sext, <i32 17, i32 17, i32 17, i32 17> |
| ret <4 x i32> %shift |
| } |
| |
| define <2 x i64> @vshllu32_bad(ptr %A) nounwind { |
| ; CHECK-LABEL: vshllu32_bad: |
| ; CHECK: vmovl.u32 |
| ; CHECK: vshl.i64 |
| %tmp1 = load <2 x i32>, ptr %A |
| %zext = zext <2 x i32> %tmp1 to <2 x i64> |
| %shift = shl <2 x i64> %zext, <i64 33, i64 33> |
| ret <2 x i64> %shift |
| } |