; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s define i64 @test0() { ; CHECK-LABEL: test0: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov x0, xzr ; CHECK-NEXT: ret ; Not produced by move wide instructions, but good to make sure we can return 0 anyway: ret i64 0 } define i64 @test1() { ; CHECK-LABEL: test1: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov w0, #1 ; CHECK-NEXT: ret ret i64 1 } define i64 @test2() { ; CHECK-LABEL: test2: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov w0, #65535 ; CHECK-NEXT: ret ret i64 65535 } define i64 @test3() { ; CHECK-LABEL: test3: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov w0, #65536 ; CHECK-NEXT: ret ret i64 65536 } define i64 @test4() { ; CHECK-LABEL: test4: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov w0, #-65536 ; CHECK-NEXT: ret ret i64 4294901760 } define i64 @test5() { ; CHECK-LABEL: test5: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov x0, #4294967296 ; CHECK-NEXT: ret ret i64 4294967296 } define i64 @test6() { ; CHECK-LABEL: test6: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov x0, #281470681743360 ; CHECK-NEXT: ret ret i64 281470681743360 } define i64 @test7() { ; CHECK-LABEL: test7: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov x0, #281474976710656 ; CHECK-NEXT: ret ret i64 281474976710656 } ; A 32-bit MOVN can generate some 64-bit patterns that a 64-bit one ; couldn't. Useful even for i64 define i64 @test8() { ; CHECK-LABEL: test8: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov w0, #-60876 ; CHECK-NEXT: ret ret i64 4294906420 } define i64 @test9() { ; CHECK-LABEL: test9: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov x0, #-1 ; CHECK-NEXT: ret ret i64 -1 } define i64 @test10() { ; CHECK-LABEL: test10: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov x0, #-3989504001 ; CHECK-NEXT: ret ret i64 18446744069720047615 } ; For reasonably legitimate reasons returning an i32 results in the ; selection of an i64 constant, so we need a different idiom to test that selection @var32 = global i32 0 define void @test11() { ; CHECK-LABEL: test11: ; CHECK: ; %bb.0: ; CHECK-NEXT: adrp x8, _var32@PAGE ; CHECK-NEXT: str wzr, [x8, _var32@PAGEOFF] ; CHECK-NEXT: ret store i32 0, i32* @var32 ret void } define void @test12() { ; CHECK-LABEL: test12: ; CHECK: ; %bb.0: ; CHECK-NEXT: adrp x8, _var32@PAGE ; CHECK-NEXT: mov w9, #1 ; CHECK-NEXT: str w9, [x8, _var32@PAGEOFF] ; CHECK-NEXT: ret store i32 1, i32* @var32 ret void } define void @test13() { ; CHECK-LABEL: test13: ; CHECK: ; %bb.0: ; CHECK-NEXT: adrp x8, _var32@PAGE ; CHECK-NEXT: mov w9, #65535 ; CHECK-NEXT: str w9, [x8, _var32@PAGEOFF] ; CHECK-NEXT: ret store i32 65535, i32* @var32 ret void } define void @test14() { ; CHECK-LABEL: test14: ; CHECK: ; %bb.0: ; CHECK-NEXT: adrp x8, _var32@PAGE ; CHECK-NEXT: mov w9, #65536 ; CHECK-NEXT: str w9, [x8, _var32@PAGEOFF] ; CHECK-NEXT: ret store i32 65536, i32* @var32 ret void } define void @test15() { ; CHECK-LABEL: test15: ; CHECK: ; %bb.0: ; CHECK-NEXT: adrp x8, _var32@PAGE ; CHECK-NEXT: mov w9, #-65536 ; CHECK-NEXT: str w9, [x8, _var32@PAGEOFF] ; CHECK-NEXT: ret store i32 4294901760, i32* @var32 ret void } define void @test16() { ; CHECK-LABEL: test16: ; CHECK: ; %bb.0: ; CHECK-NEXT: adrp x8, _var32@PAGE ; CHECK-NEXT: mov w9, #-1 ; CHECK-NEXT: str w9, [x8, _var32@PAGEOFF] ; CHECK-NEXT: ret store i32 -1, i32* @var32 ret void } define i64 @test17() { ; CHECK-LABEL: test17: ; CHECK: ; %bb.0: ; CHECK-NEXT: mov x0, #-3 ; CHECK-NEXT: ret ; Mustn't MOVN w0 here. ret i64 -3 }