| Jonas Paulsson | 808c89f | 2017-03-22 06:03:32 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -verify-machineinstrs | FileCheck %s |
| 2 | ; |
| 3 | ; Test that a def operand of super-reg is not dropped during post RA pseudo |
| 4 | ; expansion in expandZExtPseudo(). |
| 5 | |
| 6 | define void @fun_llvm_stress_reduced(i8*, i32*, i64*, i32) { |
| 7 | ; CHECK: .text |
| 8 | BB: |
| 9 | %A = alloca i32 |
| 10 | %Sl24 = select i1 undef, i32* %1, i32* %1 |
| 11 | %L26 = load i16, i16* undef |
| 12 | %L32 = load i32, i32* %Sl24 |
| 13 | br label %CF847 |
| 14 | |
| 15 | CF847: ; preds = %CF878, %BB |
| 16 | %L61 = load i16, i16* undef |
| 17 | br label %CF878 |
| 18 | |
| 19 | CF878: ; preds = %CF847 |
| 20 | %PC66 = bitcast i32* %Sl24 to double* |
| 21 | %Sl67 = select i1 undef, <2 x i32> undef, <2 x i32> undef |
| 22 | %Cmp68 = icmp ugt i32 undef, %3 |
| 23 | br i1 %Cmp68, label %CF847, label %CF863 |
| 24 | |
| 25 | CF863: ; preds = %CF878 |
| 26 | %L84 = load i16, i16* undef |
| 27 | br label %CF825 |
| 28 | |
| 29 | CF825: ; preds = %CF825, %CF863 |
| 30 | %Sl105 = select i1 undef, i1 undef, i1 undef |
| 31 | br i1 %Sl105, label %CF825, label %CF856 |
| 32 | |
| 33 | CF856: ; preds = %CF856, %CF825 |
| 34 | %Cmp114 = icmp ult i16 -24837, %L61 |
| 35 | br i1 %Cmp114, label %CF856, label %CF875 |
| 36 | |
| 37 | CF875: ; preds = %CF856 |
| 38 | %Shuff124 = shufflevector <2 x i32> undef, <2 x i32> undef, <2 x i32> <i32 1, i32 3> |
| 39 | %PC126 = bitcast i32* %A to i64* |
| 40 | br label %CF827 |
| 41 | |
| 42 | CF827: ; preds = %CF923, %CF911, %CF875 |
| 43 | %Sl142 = select i1 undef, i64 undef, i64 -1 |
| 44 | %B148 = sdiv i32 409071, 409071 |
| 45 | %E153 = extractelement <2 x i32> %Shuff124, i32 1 |
| 46 | br label %CF911 |
| 47 | |
| 48 | CF911: ; preds = %CF827 |
| 49 | br i1 undef, label %CF827, label %CF867 |
| 50 | |
| 51 | CF867: ; preds = %CF911 |
| 52 | br label %CF870 |
| 53 | |
| 54 | CF870: ; preds = %CF870, %CF867 |
| 55 | store i8 0, i8* %0 |
| 56 | %FC176 = fptoui double undef to i1 |
| 57 | br i1 %FC176, label %CF870, label %CF923 |
| 58 | |
| 59 | CF923: ; preds = %CF870 |
| 60 | %L179 = load i16, i16* undef |
| 61 | %Sl191 = select i1 undef, i64* %PC126, i64* %PC126 |
| 62 | br i1 false, label %CF827, label %CF828 |
| 63 | |
| 64 | CF828: ; preds = %CF905, %CF923 |
| 65 | %B205 = urem i16 -7553, undef |
| 66 | %E209 = extractelement <2 x i32> %Sl67, i32 1 |
| 67 | %Cmp215 = icmp ugt i16 %L179, 0 |
| 68 | br label %CF905 |
| 69 | |
| 70 | CF905: ; preds = %CF828 |
| 71 | %E231 = extractelement <4 x i1> undef, i32 1 |
| 72 | br i1 %E231, label %CF828, label %CF829 |
| 73 | |
| 74 | CF829: ; preds = %CF909, %CF829, %CF905 |
| 75 | %B234 = udiv i16 %L26, %L84 |
| 76 | br i1 undef, label %CF829, label %CF894 |
| 77 | |
| 78 | CF894: ; preds = %CF894, %CF829 |
| 79 | store i64 %Sl142, i64* %Sl191 |
| 80 | %Sl241 = select i1 %Cmp114, i1 false, i1 %Cmp215 |
| 81 | br i1 %Sl241, label %CF894, label %CF907 |
| 82 | |
| 83 | CF907: ; preds = %CF894 |
| 84 | %B247 = udiv i32 0, %E153 |
| 85 | %PC248 = bitcast i64* %2 to i8* |
| 86 | br label %CF909 |
| 87 | |
| 88 | CF909: ; preds = %CF907 |
| 89 | store i1 %FC176, i1* undef |
| 90 | %Cmp263 = icmp ugt i1 undef, %Sl241 |
| 91 | br i1 %Cmp263, label %CF829, label %CF830 |
| 92 | |
| 93 | CF830: ; preds = %CF909 |
| 94 | %B304 = urem i16 %L84, %B205 |
| 95 | %I311 = insertelement <2 x i32> %Shuff124, i32 %B247, i32 1 |
| 96 | store i8 0, i8* %0 |
| 97 | %Sl373 = select i1 %Cmp68, i32 0, i32 %E153 |
| 98 | br label %CF833 |
| 99 | |
| 100 | CF833: ; preds = %CF880, %CF830 |
| 101 | br label %CF880 |
| 102 | |
| 103 | CF880: ; preds = %CF833 |
| 104 | %Cmp412 = icmp ne i16 %B234, -18725 |
| 105 | br i1 %Cmp412, label %CF833, label %CF865 |
| 106 | |
| 107 | CF865: ; preds = %CF880 |
| 108 | store double 0.000000e+00, double* %PC66 |
| 109 | br label %CF860 |
| 110 | |
| 111 | CF860: ; preds = %CF860, %CF865 |
| 112 | store i8 0, i8* %PC248 |
| 113 | %Cmp600 = icmp sge i32 %B148, undef |
| 114 | br i1 %Cmp600, label %CF860, label %CF913 |
| 115 | |
| 116 | CF913: ; preds = %CF860 |
| 117 | store i32 %E209, i32* undef |
| 118 | store i32 %Sl373, i32* undef |
| 119 | %Cmp771 = icmp ule i32 undef, %L32 |
| 120 | br label %CF842 |
| 121 | |
| 122 | CF842: ; preds = %CF925, %CF913 |
| 123 | br label %CF925 |
| 124 | |
| 125 | CF925: ; preds = %CF842 |
| 126 | %Cmp778 = icmp sgt i1 %Cmp771, %Sl241 |
| 127 | br i1 %Cmp778, label %CF842, label %CF898 |
| 128 | |
| 129 | CF898: ; preds = %CF925 |
| 130 | %Sl785 = select i1 %Cmp600, i16 undef, i16 %B304 |
| 131 | unreachable |
| 132 | } |