; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s 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 @func(i32 %x, i32 %y) nounwind { ; CHECK-LABEL: func: ; CHECK: // %bb.0: ; CHECK-NEXT: adds w8, w0, w1 ; CHECK-NEXT: csinv w0, w8, wzr, lo ; CHECK-NEXT: ret %tmp = call i32 @llvm.uadd.sat.i32(i32 %x, i32 %y); ret i32 %tmp; } define i64 @func2(i64 %x, i64 %y) nounwind { ; CHECK-LABEL: func2: ; CHECK: // %bb.0: ; CHECK-NEXT: adds x8, x0, x1 ; CHECK-NEXT: csinv x0, x8, xzr, lo ; CHECK-NEXT: ret %tmp = call i64 @llvm.uadd.sat.i64(i64 %x, i64 %y); ret i64 %tmp; } define i16 @func16(i16 %x, i16 %y) nounwind { ; CHECK-LABEL: func16: ; CHECK: // %bb.0: ; CHECK-NEXT: and w8, w0, #0xffff ; CHECK-NEXT: add w8, w8, w1, uxth ; CHECK-NEXT: mov w9, #65535 ; CHECK-NEXT: cmp w8, w9 ; CHECK-NEXT: csel w0, w8, w9, lo ; CHECK-NEXT: ret %tmp = call i16 @llvm.uadd.sat.i16(i16 %x, i16 %y); ret i16 %tmp; } define i8 @func8(i8 %x, i8 %y) nounwind { ; CHECK-LABEL: func8: ; CHECK: // %bb.0: ; CHECK-NEXT: and w8, w0, #0xff ; CHECK-NEXT: add w8, w8, w1, uxtb ; CHECK-NEXT: cmp w8, #255 // =255 ; CHECK-NEXT: mov w9, #255 ; CHECK-NEXT: csel w0, w8, w9, lo ; CHECK-NEXT: ret %tmp = call i8 @llvm.uadd.sat.i8(i8 %x, i8 %y); ret i8 %tmp; } define i4 @func3(i4 %x, i4 %y) nounwind { ; CHECK-LABEL: func3: ; CHECK: // %bb.0: ; CHECK-NEXT: and w8, w1, #0xf ; CHECK-NEXT: and w9, w0, #0xf ; CHECK-NEXT: add w8, w9, w8 ; CHECK-NEXT: cmp w8, #15 // =15 ; CHECK-NEXT: mov w9, #15 ; CHECK-NEXT: csel w0, w8, w9, lo ; CHECK-NEXT: ret %tmp = call i4 @llvm.uadd.sat.i4(i4 %x, i4 %y); ret i4 %tmp; }