1 ; RUN: llc -march=sparc < %s | FileCheck %s 2 3 @g = common global [32 x i32] zeroinitializer, align 16 4 @h = common global [16 x i64] zeroinitializer, align 16 5 6 ;; Ensures that we don't use registers which are supposed to be reserved. 7 8 ; CHECK-LABEL: use_all_i32_regs: 9 ; CHECK-NOT: %g0 10 ; CHECK-NOT: %g1 11 ; CHECK-NOT: %g5 12 ; CHECK-NOT: %g6 13 ; CHECK-NOT: %g7 14 ; CHECK-NOT: %o6 15 ; CHECK-NOT: %i6 16 ; CHECK-NOT: %i7 17 ; CHECK: ret 18 define void @use_all_i32_regs() { 19 entry: 20 %0 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 0), align 16 21 %1 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 1), align 4 22 %2 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 2), align 8 23 %3 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 3), align 4 24 %4 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 4), align 16 25 %5 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 5), align 4 26 %6 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 6), align 8 27 %7 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 7), align 4 28 %8 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 8), align 16 29 %9 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 9), align 4 30 %10 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 10), align 8 31 %11 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 11), align 4 32 %12 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 12), align 16 33 %13 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 13), align 4 34 %14 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 14), align 8 35 %15 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 15), align 4 36 %16 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 16), align 16 37 %17 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 17), align 4 38 %18 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 18), align 8 39 %19 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 19), align 4 40 %20 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 20), align 16 41 %21 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 21), align 4 42 %22 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 22), align 8 43 %23 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 23), align 4 44 %24 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 24), align 16 45 %25 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 25), align 4 46 %26 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 26), align 8 47 %27 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 27), align 4 48 %28 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 28), align 16 49 %29 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 29), align 4 50 %30 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 30), align 8 51 %31 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 31), align 4 52 store volatile i32 %1, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 0), align 16 53 store volatile i32 %2, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 1), align 4 54 store volatile i32 %3, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 2), align 8 55 store volatile i32 %4, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 3), align 4 56 store volatile i32 %5, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 4), align 16 57 store volatile i32 %6, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 5), align 4 58 store volatile i32 %7, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 6), align 8 59 store volatile i32 %8, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 7), align 4 60 store volatile i32 %9, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 8), align 16 61 store volatile i32 %10, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 9), align 4 62 store volatile i32 %11, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 10), align 8 63 store volatile i32 %12, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 11), align 4 64 store volatile i32 %13, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 12), align 16 65 store volatile i32 %14, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 13), align 4 66 store volatile i32 %15, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 14), align 8 67 store volatile i32 %16, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 15), align 4 68 store volatile i32 %17, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 16), align 16 69 store volatile i32 %18, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 17), align 4 70 store volatile i32 %19, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 18), align 8 71 store volatile i32 %20, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 19), align 4 72 store volatile i32 %21, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 20), align 16 73 store volatile i32 %22, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 21), align 4 74 store volatile i32 %23, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 22), align 8 75 store volatile i32 %24, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 23), align 4 76 store volatile i32 %25, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 24), align 16 77 store volatile i32 %26, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 25), align 4 78 store volatile i32 %27, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 26), align 8 79 store volatile i32 %28, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 27), align 4 80 store volatile i32 %29, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 28), align 16 81 store volatile i32 %30, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 29), align 4 82 store volatile i32 %31, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 30), align 8 83 store volatile i32 %0, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 31), align 4 84 ret void 85 } 86 87 88 ; CHECK-LABEL: use_all_i64_regs: 89 ; CHECK-NOT: %g0 90 ; CHECK-NOT: %g1 91 ; CHECK-NOT: %g4 92 ; CHECK-NOT: %g5 93 ; CHECK-NOT: %g6 94 ; CHECK-NOT: %g7 95 ; CHECK-NOT: %o6 96 ; CHECK-NOT: %o7 97 ; CHECK-NOT: %i6 98 ; CHECK-NOT: %i7 99 ; CHECK: ret 100 define void @use_all_i64_regs() { 101 entry: 102 %0 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 0), align 16 103 %1 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 1), align 4 104 %2 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 2), align 8 105 %3 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 3), align 4 106 %4 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 4), align 16 107 %5 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 5), align 4 108 %6 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 6), align 8 109 %7 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 7), align 4 110 %8 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 8), align 16 111 %9 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 9), align 4 112 %10 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 10), align 8 113 %11 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 11), align 4 114 %12 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 12), align 16 115 %13 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 13), align 4 116 %14 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 14), align 8 117 %15 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 15), align 4 118 store volatile i64 %1, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 0), align 16 119 store volatile i64 %2, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 1), align 4 120 store volatile i64 %3, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 2), align 8 121 store volatile i64 %4, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 3), align 4 122 store volatile i64 %5, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 4), align 16 123 store volatile i64 %6, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 5), align 4 124 store volatile i64 %7, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 6), align 8 125 store volatile i64 %8, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 7), align 4 126 store volatile i64 %9, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 8), align 16 127 store volatile i64 %10, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 9), align 4 128 store volatile i64 %11, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 10), align 8 129 store volatile i64 %12, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 11), align 4 130 store volatile i64 %13, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 12), align 16 131 store volatile i64 %14, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 13), align 4 132 store volatile i64 %15, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 14), align 8 133 store volatile i64 %0, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 15), align 4 134 ret void 135 } 136
