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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s --check-prefixes=CHECK,CHECK-SD3; RUN: llc < %s -mtriple=aarch64-- -global-isel | FileCheck %s --check-prefixes=CHECK,CHECK-GI4 5define i32 @func(i32 %x, i32 %y) nounwind {6; CHECK-SD-LABEL: func:7; CHECK-SD: // %bb.0:8; CHECK-SD-NEXT: subs w8, w0, w19; CHECK-SD-NEXT: csel w0, wzr, w8, lo10; CHECK-SD-NEXT: ret11;12; CHECK-GI-LABEL: func:13; CHECK-GI: // %bb.0:14; CHECK-GI-NEXT: subs w8, w0, w115; CHECK-GI-NEXT: cset w9, lo16; CHECK-GI-NEXT: tst w9, #0x117; CHECK-GI-NEXT: csel w0, wzr, w8, ne18; CHECK-GI-NEXT: ret19 %tmp = call i32 @llvm.usub.sat.i32(i32 %x, i32 %y);20 ret i32 %tmp;21}22 23define i64 @func2(i64 %x, i64 %y) nounwind {24; CHECK-SD-LABEL: func2:25; CHECK-SD: // %bb.0:26; CHECK-SD-NEXT: subs x8, x0, x127; CHECK-SD-NEXT: csel x0, xzr, x8, lo28; CHECK-SD-NEXT: ret29;30; CHECK-GI-LABEL: func2:31; CHECK-GI: // %bb.0:32; CHECK-GI-NEXT: subs x8, x0, x133; CHECK-GI-NEXT: cset w9, lo34; CHECK-GI-NEXT: tst w9, #0x135; CHECK-GI-NEXT: csel x0, xzr, x8, ne36; CHECK-GI-NEXT: ret37 %tmp = call i64 @llvm.usub.sat.i64(i64 %x, i64 %y);38 ret i64 %tmp;39}40 41define i16 @func16(i16 %x, i16 %y) nounwind {42; CHECK-SD-LABEL: func16:43; CHECK-SD: // %bb.0:44; CHECK-SD-NEXT: and w8, w0, #0xffff45; CHECK-SD-NEXT: subs w8, w8, w1, uxth46; CHECK-SD-NEXT: csel w0, wzr, w8, lo47; CHECK-SD-NEXT: ret48;49; CHECK-GI-LABEL: func16:50; CHECK-GI: // %bb.0:51; CHECK-GI-NEXT: and w8, w0, #0xffff52; CHECK-GI-NEXT: sub w8, w8, w1, uxth53; CHECK-GI-NEXT: cmp w8, w8, uxth54; CHECK-GI-NEXT: csel w0, wzr, w8, ne55; CHECK-GI-NEXT: ret56 %tmp = call i16 @llvm.usub.sat.i16(i16 %x, i16 %y);57 ret i16 %tmp;58}59 60define i8 @func8(i8 %x, i8 %y) nounwind {61; CHECK-SD-LABEL: func8:62; CHECK-SD: // %bb.0:63; CHECK-SD-NEXT: and w8, w0, #0xff64; CHECK-SD-NEXT: subs w8, w8, w1, uxtb65; CHECK-SD-NEXT: csel w0, wzr, w8, lo66; CHECK-SD-NEXT: ret67;68; CHECK-GI-LABEL: func8:69; CHECK-GI: // %bb.0:70; CHECK-GI-NEXT: and w8, w0, #0xff71; CHECK-GI-NEXT: sub w8, w8, w1, uxtb72; CHECK-GI-NEXT: cmp w8, w8, uxtb73; CHECK-GI-NEXT: csel w0, wzr, w8, ne74; CHECK-GI-NEXT: ret75 %tmp = call i8 @llvm.usub.sat.i8(i8 %x, i8 %y);76 ret i8 %tmp;77}78 79define i4 @func3(i4 %x, i4 %y) nounwind {80; CHECK-SD-LABEL: func3:81; CHECK-SD: // %bb.0:82; CHECK-SD-NEXT: and w8, w1, #0xf83; CHECK-SD-NEXT: and w9, w0, #0xf84; CHECK-SD-NEXT: subs w8, w9, w885; CHECK-SD-NEXT: csel w0, wzr, w8, lo86; CHECK-SD-NEXT: ret87;88; CHECK-GI-LABEL: func3:89; CHECK-GI: // %bb.0:90; CHECK-GI-NEXT: and w8, w0, #0xf91; CHECK-GI-NEXT: and w9, w1, #0xf92; CHECK-GI-NEXT: sub w8, w8, w993; CHECK-GI-NEXT: and w9, w8, #0xf94; CHECK-GI-NEXT: cmp w8, w995; CHECK-GI-NEXT: csel w0, wzr, w8, ne96; CHECK-GI-NEXT: ret97 %tmp = call i4 @llvm.usub.sat.i4(i4 %x, i4 %y);98 ret i4 %tmp;99}100;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:101; CHECK: {{.*}}102