1 ; RUN: llc -O0 -fast-isel-abort=1 -verify-machineinstrs -mtriple=arm64-apple-darwin < %s | FileCheck %s 2 3 define void @t0(i32 %a) nounwind { 4 entry: 5 ; CHECK: t0 6 ; CHECK: str {{w[0-9]+}}, [sp, #12] 7 ; CHECK-NEXT: ldr [[REGISTER:w[0-9]+]], [sp, #12] 8 ; CHECK-NEXT: str [[REGISTER]], [sp, #12] 9 ; CHECK: ret 10 %a.addr = alloca i32, align 4 11 store i32 %a, i32* %a.addr 12 %tmp = load i32, i32* %a.addr 13 store i32 %tmp, i32* %a.addr 14 ret void 15 } 16 17 define void @t1(i64 %a) nounwind { 18 ; CHECK: t1 19 ; CHECK: str {{x[0-9]+}}, [sp, #8] 20 ; CHECK-NEXT: ldr [[REGISTER:x[0-9]+]], [sp, #8] 21 ; CHECK-NEXT: str [[REGISTER]], [sp, #8] 22 ; CHECK: ret 23 %a.addr = alloca i64, align 4 24 store i64 %a, i64* %a.addr 25 %tmp = load i64, i64* %a.addr 26 store i64 %tmp, i64* %a.addr 27 ret void 28 } 29 30 define zeroext i1 @i1(i1 %a) nounwind { 31 entry: 32 ; CHECK: @i1 33 ; CHECK: and w0, w0, #0x1 34 ; CHECK: strb w0, [sp, #15] 35 ; CHECK: ldrb w0, [sp, #15] 36 ; CHECK: and w0, w0, #0x1 37 ; CHECK: and w0, w0, #0x1 38 ; CHECK: add sp, sp, #16 39 ; CHECK: ret 40 %a.addr = alloca i1, align 1 41 store i1 %a, i1* %a.addr, align 1 42 %0 = load i1, i1* %a.addr, align 1 43 ret i1 %0 44 } 45 46 define i32 @t2(i32 *%ptr) nounwind { 47 entry: 48 ; CHECK-LABEL: t2: 49 ; CHECK: ldur w0, [x0, #-4] 50 ; CHECK: ret 51 %0 = getelementptr i32, i32 *%ptr, i32 -1 52 %1 = load i32, i32* %0, align 4 53 ret i32 %1 54 } 55 56 define i32 @t3(i32 *%ptr) nounwind { 57 entry: 58 ; CHECK-LABEL: t3: 59 ; CHECK: ldur w0, [x0, #-256] 60 ; CHECK: ret 61 %0 = getelementptr i32, i32 *%ptr, i32 -64 62 %1 = load i32, i32* %0, align 4 63 ret i32 %1 64 } 65 66 define void @t4(i32 *%ptr) nounwind { 67 entry: 68 ; CHECK-LABEL: t4: 69 ; CHECK: stur wzr, [x0, #-4] 70 ; CHECK: ret 71 %0 = getelementptr i32, i32 *%ptr, i32 -1 72 store i32 0, i32* %0, align 4 73 ret void 74 } 75 76 define void @t5(i32 *%ptr) nounwind { 77 entry: 78 ; CHECK-LABEL: t5: 79 ; CHECK: stur wzr, [x0, #-256] 80 ; CHECK: ret 81 %0 = getelementptr i32, i32 *%ptr, i32 -64 82 store i32 0, i32* %0, align 4 83 ret void 84 } 85 86 define void @t6() nounwind { 87 ; CHECK: t6 88 ; CHECK: brk #0x1 89 tail call void @llvm.trap() 90 ret void 91 } 92 93 declare void @llvm.trap() nounwind 94 95 define void @ands(i32* %addr) { 96 ; CHECK-LABEL: ands: 97 ; CHECK: tst [[COND:w[0-9]+]], #0x1 98 ; CHECK-NEXT: csel [[COND]], 99 entry: 100 %cond91 = select i1 undef, i32 1, i32 2 101 store i32 %cond91, i32* %addr, align 4 102 ret void 103 } 104 105 define i64 @mul_umul(i64 %arg) { 106 ; CHECK-LABEL: mul_umul: 107 ; CHECK: mul x{{[0-9]+}}, [[ARG1:x[0-9]+]], [[ARG2:x[0-9]+]] 108 ; CHECK-NEXT: umulh x{{[0-9]+}}, [[ARG1]], [[ARG2]] 109 entry: 110 %sub.ptr.div = sdiv exact i64 %arg, 8 111 %tmp = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %sub.ptr.div, i64 8) 112 %tmp1 = extractvalue { i64, i1 } %tmp, 0 113 ret i64 %tmp1 114 } 115 116 declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) 117 118 define void @logicalReg() { 119 ; Make sure we generate a logical reg = reg, reg instruction without any 120 ; machine verifier errors. 121 ; CHECK-LABEL: logicalReg: 122 ; CHECK: orr w{{[0-9]+}}, w{{[0-9]+}}, w{{[0-9]+}} 123 ; CHECK: ret 124 entry: 125 br i1 undef, label %cond.end, label %cond.false 126 127 cond.false: 128 %cond = select i1 undef, i1 true, i1 false 129 br label %cond.end 130 131 cond.end: 132 %cond13 = phi i1 [ %cond, %cond.false ], [ true, %entry ] 133 ret void 134 } 135 136
