| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s --check-prefixes=CHECK,CHECK-SD |
| ; RUN: llc < %s -mtriple=aarch64-- -global-isel | FileCheck %s --check-prefixes=CHECK,CHECK-GI |
| |
| declare i4 @llvm.uadd.sat.i4(i4, i4) |
| declare i8 @llvm.uadd.sat.i8(i8, i8) |
| declare i16 @llvm.uadd.sat.i16(i16, i16) |
| declare i32 @llvm.uadd.sat.i32(i32, i32) |
| declare i64 @llvm.uadd.sat.i64(i64, i64) |
| |
| define i32 @func32(i32 %x, i32 %y, i32 %z) nounwind { |
| ; CHECK-SD-LABEL: func32: |
| ; CHECK-SD: // %bb.0: |
| ; CHECK-SD-NEXT: mul w8, w1, w2 |
| ; CHECK-SD-NEXT: adds w8, w0, w8 |
| ; CHECK-SD-NEXT: csinv w0, w8, wzr, lo |
| ; CHECK-SD-NEXT: ret |
| ; |
| ; CHECK-GI-LABEL: func32: |
| ; CHECK-GI: // %bb.0: |
| ; CHECK-GI-NEXT: mul w8, w1, w2 |
| ; CHECK-GI-NEXT: adds w8, w0, w8 |
| ; CHECK-GI-NEXT: cset w9, hs |
| ; CHECK-GI-NEXT: tst w9, #0x1 |
| ; CHECK-GI-NEXT: csinv w0, w8, wzr, eq |
| ; CHECK-GI-NEXT: ret |
| %a = mul i32 %y, %z |
| %tmp = call i32 @llvm.uadd.sat.i32(i32 %x, i32 %a) |
| ret i32 %tmp |
| } |
| |
| define i64 @func64(i64 %x, i64 %y, i64 %z) nounwind { |
| ; CHECK-SD-LABEL: func64: |
| ; CHECK-SD: // %bb.0: |
| ; CHECK-SD-NEXT: adds x8, x0, x2 |
| ; CHECK-SD-NEXT: csinv x0, x8, xzr, lo |
| ; CHECK-SD-NEXT: ret |
| ; |
| ; CHECK-GI-LABEL: func64: |
| ; CHECK-GI: // %bb.0: |
| ; CHECK-GI-NEXT: adds x8, x0, x2 |
| ; CHECK-GI-NEXT: cset w9, hs |
| ; CHECK-GI-NEXT: tst w9, #0x1 |
| ; CHECK-GI-NEXT: csinv x0, x8, xzr, eq |
| ; CHECK-GI-NEXT: ret |
| %a = mul i64 %y, %z |
| %tmp = call i64 @llvm.uadd.sat.i64(i64 %x, i64 %z) |
| ret i64 %tmp |
| } |
| |
| define i16 @func16(i16 %x, i16 %y, i16 %z) nounwind { |
| ; CHECK-SD-LABEL: func16: |
| ; CHECK-SD: // %bb.0: |
| ; CHECK-SD-NEXT: mul w8, w1, w2 |
| ; CHECK-SD-NEXT: and w9, w0, #0xffff |
| ; CHECK-SD-NEXT: add w8, w9, w8, uxth |
| ; CHECK-SD-NEXT: mov w9, #65535 // =0xffff |
| ; CHECK-SD-NEXT: cmp w8, w9 |
| ; CHECK-SD-NEXT: csel w0, w8, w9, lo |
| ; CHECK-SD-NEXT: ret |
| ; |
| ; CHECK-GI-LABEL: func16: |
| ; CHECK-GI: // %bb.0: |
| ; CHECK-GI-NEXT: mul w8, w1, w2 |
| ; CHECK-GI-NEXT: and w8, w8, #0xffff |
| ; CHECK-GI-NEXT: add w8, w8, w0, uxth |
| ; CHECK-GI-NEXT: cmp w8, w8, uxth |
| ; CHECK-GI-NEXT: csinv w0, w8, wzr, eq |
| ; CHECK-GI-NEXT: ret |
| %a = mul i16 %y, %z |
| %tmp = call i16 @llvm.uadd.sat.i16(i16 %x, i16 %a) |
| ret i16 %tmp |
| } |
| |
| define i8 @func8(i8 %x, i8 %y, i8 %z) nounwind { |
| ; CHECK-SD-LABEL: func8: |
| ; CHECK-SD: // %bb.0: |
| ; CHECK-SD-NEXT: mul w8, w1, w2 |
| ; CHECK-SD-NEXT: and w9, w0, #0xff |
| ; CHECK-SD-NEXT: add w8, w9, w8, uxtb |
| ; CHECK-SD-NEXT: mov w9, #255 // =0xff |
| ; CHECK-SD-NEXT: cmp w8, #255 |
| ; CHECK-SD-NEXT: csel w0, w8, w9, lo |
| ; CHECK-SD-NEXT: ret |
| ; |
| ; CHECK-GI-LABEL: func8: |
| ; CHECK-GI: // %bb.0: |
| ; CHECK-GI-NEXT: mul w8, w1, w2 |
| ; CHECK-GI-NEXT: and w8, w8, #0xff |
| ; CHECK-GI-NEXT: add w8, w8, w0, uxtb |
| ; CHECK-GI-NEXT: cmp w8, w8, uxtb |
| ; CHECK-GI-NEXT: csinv w0, w8, wzr, eq |
| ; CHECK-GI-NEXT: ret |
| %a = mul i8 %y, %z |
| %tmp = call i8 @llvm.uadd.sat.i8(i8 %x, i8 %a) |
| ret i8 %tmp |
| } |
| |
| define i4 @func4(i4 %x, i4 %y, i4 %z) nounwind { |
| ; CHECK-SD-LABEL: func4: |
| ; CHECK-SD: // %bb.0: |
| ; CHECK-SD-NEXT: mul w8, w1, w2 |
| ; CHECK-SD-NEXT: and w9, w0, #0xf |
| ; CHECK-SD-NEXT: and w8, w8, #0xf |
| ; CHECK-SD-NEXT: add w8, w9, w8 |
| ; CHECK-SD-NEXT: mov w9, #15 // =0xf |
| ; CHECK-SD-NEXT: cmp w8, #15 |
| ; CHECK-SD-NEXT: csel w0, w8, w9, lo |
| ; CHECK-SD-NEXT: ret |
| ; |
| ; CHECK-GI-LABEL: func4: |
| ; CHECK-GI: // %bb.0: |
| ; CHECK-GI-NEXT: mul w8, w1, w2 |
| ; CHECK-GI-NEXT: and w9, w0, #0xf |
| ; CHECK-GI-NEXT: mov w10, #15 // =0xf |
| ; CHECK-GI-NEXT: and w8, w8, #0xf |
| ; CHECK-GI-NEXT: add w8, w9, w8 |
| ; CHECK-GI-NEXT: and w9, w8, #0xf |
| ; CHECK-GI-NEXT: cmp w8, w9 |
| ; CHECK-GI-NEXT: csel w0, w10, w8, ne |
| ; CHECK-GI-NEXT: ret |
| %a = mul i4 %y, %z |
| %tmp = call i4 @llvm.uadd.sat.i4(i4 %x, i4 %a) |
| ret i4 %tmp |
| } |
| ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: |
| ; CHECK: {{.*}} |