; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s declare i4 @llvm.sadd.sat.i4(i4, i4) declare i8 @llvm.sadd.sat.i8(i8, i8) declare i16 @llvm.sadd.sat.i16(i16, i16) declare i32 @llvm.sadd.sat.i32(i32, i32) declare i64 @llvm.sadd.sat.i64(i64, i64) declare <4 x i32> @llvm.sadd.sat.v4i32(<4 x i32>, <4 x i32>) define i32 @func(i32 %x, i32 %y) nounwind { ; CHECK-LABEL: func: ; CHECK: // %bb.0: ; CHECK-NEXT: adds w8, w0, w1 ; CHECK-NEXT: asr w9, w8, #31 ; CHECK-NEXT: eor w9, w9, #0x80000000 ; CHECK-NEXT: csel w0, w9, w8, vs ; CHECK-NEXT: ret %tmp = call i32 @llvm.sadd.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: asr x9, x8, #63 ; CHECK-NEXT: eor x9, x9, #0x8000000000000000 ; CHECK-NEXT: csel x0, x9, x8, vs ; CHECK-NEXT: ret %tmp = call i64 @llvm.sadd.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: sxth w8, w0 ; CHECK-NEXT: mov w9, #32767 ; CHECK-NEXT: add w8, w8, w1, sxth ; CHECK-NEXT: cmp w8, w9 ; CHECK-NEXT: csel w8, w8, w9, lt ; CHECK-NEXT: mov w9, #-32768 ; CHECK-NEXT: cmn w8, #8, lsl #12 // =32768 ; CHECK-NEXT: csel w0, w8, w9, gt ; CHECK-NEXT: ret %tmp = call i16 @llvm.sadd.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: sxtb w8, w0 ; CHECK-NEXT: mov w9, #127 ; CHECK-NEXT: add w8, w8, w1, sxtb ; CHECK-NEXT: cmp w8, #127 ; CHECK-NEXT: csel w8, w8, w9, lt ; CHECK-NEXT: mov w9, #-128 ; CHECK-NEXT: cmn w8, #128 ; CHECK-NEXT: csel w0, w8, w9, gt ; CHECK-NEXT: ret %tmp = call i8 @llvm.sadd.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: lsl w8, w1, #28 ; CHECK-NEXT: sbfx w9, w0, #0, #4 ; CHECK-NEXT: add w8, w9, w8, asr #28 ; CHECK-NEXT: mov w9, #7 ; CHECK-NEXT: cmp w8, #7 ; CHECK-NEXT: csel w8, w8, w9, lt ; CHECK-NEXT: mov w9, #-8 ; CHECK-NEXT: cmn w8, #8 ; CHECK-NEXT: csel w0, w8, w9, gt ; CHECK-NEXT: ret %tmp = call i4 @llvm.sadd.sat.i4(i4 %x, i4 %y); ret i4 %tmp; } define <4 x i32> @vec(<4 x i32> %x, <4 x i32> %y) nounwind { ; CHECK-LABEL: vec: ; CHECK: // %bb.0: ; CHECK-NEXT: sqadd v0.4s, v0.4s, v1.4s ; CHECK-NEXT: ret %tmp = call <4 x i32> @llvm.sadd.sat.v4i32(<4 x i32> %x, <4 x i32> %y); ret <4 x i32> %tmp; }