1 ; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s 2 ; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -disable-fp-elim < %s | FileCheck -check-prefix=CHECK-FP %s 3 ; RUN: llc -mtriple=powerpc-unknown-linux-gnu -disable-fp-elim < %s | FileCheck -check-prefix=CHECK-32 %s 4 ; RUN: llc -mtriple=powerpc-unknown-linux-gnu -disable-fp-elim -relocation-model=pic < %s | FileCheck -check-prefix=CHECK-32-PIC %s 5 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" 6 target triple = "powerpc64-unknown-linux-gnu" 7 8 %struct.s = type { i32, i32 } 9 10 declare void @bar(i32*) 11 12 @barbaz = external global i32 13 14 define void @goo(%struct.s* byval nocapture readonly %a) { 15 entry: 16 %x = alloca [2 x i32], align 32 17 %a1 = getelementptr inbounds %struct.s, %struct.s* %a, i64 0, i32 0 18 %0 = load i32, i32* %a1, align 4 19 %arrayidx = getelementptr inbounds [2 x i32], [2 x i32]* %x, i64 0, i64 0 20 store i32 %0, i32* %arrayidx, align 32 21 %b = getelementptr inbounds %struct.s, %struct.s* %a, i64 0, i32 1 22 %1 = load i32, i32* %b, align 4 23 %2 = load i32, i32* @barbaz, align 4 24 %arrayidx2 = getelementptr inbounds [2 x i32], [2 x i32]* %x, i64 0, i64 1 25 store i32 %2, i32* %arrayidx2, align 4 26 call void @bar(i32* %arrayidx) 27 ret void 28 } 29 30 ; CHECK-LABEL: @goo 31 32 ; CHECK-DAG: mflr {{[0-9]+}} 33 ; CHECK-DAG: clrldi [[REG:[0-9]+]], 1, 59 34 ; CHECK-DAG: std 30, -16(1) 35 ; CHECK-DAG: mr 30, 1 36 ; CHECK-DAG: std 0, 16(1) 37 ; CHECK-DAG: subfic 0, [[REG]], -160 38 ; CHECK: stdux 1, 1, 0 39 40 ; CHECK: .cfi_def_cfa_register r30 41 ; CHECK: .cfi_offset r30, -16 42 ; CHECK: .cfi_offset lr, 16 43 44 ; CHECK: std 3, 48(30) 45 46 ; CHECK: ld 1, 0(1) 47 ; CHECK-DAG: ld [[SR:[0-9]+]], 16(1) 48 ; CHECK-DAG: ld 30, -16(1) 49 ; CHECK-DAG: mtlr [[SR]] 50 ; CHECK: blr 51 52 ; CHECK-FP-LABEL: @goo 53 54 ; CHECK-FP-DAG: mflr {{[0-9]+}} 55 ; CHECK-FP-DAG: clrldi [[REG:[0-9]+]], 1, 59 56 ; CHECK-FP-DAG: std 31, -8(1) 57 ; CHECK-FP-DAG: std 30, -16(1) 58 ; CHECK-FP-DAG: mr 30, 1 59 ; CHECK-FP-DAG: std 0, 16(1) 60 ; CHECK-FP-DAG: subfic 0, [[REG]], -160 61 ; CHECK-FP: stdux 1, 1, 0 62 63 ; CHECK-FP: .cfi_def_cfa_register r30 64 ; CHECK-FP: .cfi_offset r31, -8 65 ; CHECK-FP: .cfi_offset r30, -16 66 ; CHECK-FP: .cfi_offset lr, 16 67 68 ; CHECK-FP: mr 31, 1 69 70 ; CHECK-FP: std 3, 48(30) 71 72 ; CHECK-FP: ld 1, 0(1) 73 ; CHECK-FP-DAG: ld [[SR:[0-9]+]], 16(1) 74 ; CHECK-FP-DAG: ld 31, -8(1) 75 ; CHECK-FP-DAG: ld 30, -16(1) 76 ; CHECK-FP-DAG: mtlr [[SR]] 77 ; CHECK-FP: blr 78 79 ; CHECK-32-LABEL: @goo 80 ; CHECK-32-DAG: mflr {{[0-9]+}} 81 ; CHECK-32-DAG: clrlwi [[REG:[0-9]+]], 1, 27 82 ; CHECK-32-DAG: stw 30, -8(1) 83 ; CHECK-32-DAG: mr 30, 1 84 ; CHECK-32-DAG: stw 0, 4(1) 85 ; CHECK-32-DAG: subfic 0, [[REG]], -64 86 ; CHECK-32: stwux 1, 1, 0 87 88 ; CHECK-32-PIC-LABEL: @goo 89 ; CHECK-32-PIC-DAG: mflr {{[0-9]+}} 90 ; CHECK-32-PIC-DAG: clrlwi [[REG:[0-9]+]], 1, 27 91 ; CHECK-32-PIC-DAG: stw 29, -12(1) 92 ; CHECK-32-PIC-DAG: mr 29, 1 93 ; CHECK-32-PIC-DAG: stw 0, 4(1) 94 ; CHECK-32-PIC-DAG: subfic 0, [[REG]], -64 95 ; CHECK-32-PIC: stwux 1, 1, 0 96 97 ; The large-frame-size case. 98 define void @hoo(%struct.s* byval nocapture readonly %a) { 99 entry: 100 %x = alloca [200000 x i32], align 32 101 %a1 = getelementptr inbounds %struct.s, %struct.s* %a, i64 0, i32 0 102 %0 = load i32, i32* %a1, align 4 103 %arrayidx = getelementptr inbounds [200000 x i32], [200000 x i32]* %x, i64 0, i64 0 104 store i32 %0, i32* %arrayidx, align 32 105 %b = getelementptr inbounds %struct.s, %struct.s* %a, i64 0, i32 1 106 %1 = load i32, i32* %b, align 4 107 %arrayidx2 = getelementptr inbounds [200000 x i32], [200000 x i32]* %x, i64 0, i64 1 108 store i32 %1, i32* %arrayidx2, align 4 109 call void @bar(i32* %arrayidx) 110 ret void 111 } 112 113 ; CHECK-LABEL: @hoo 114 115 ; CHECK-DAG: lis [[REG1:[0-9]+]], -13 116 ; CHECK-DAG: clrldi [[REG3:[0-9]+]], 1, 59 117 ; CHECK-DAG: mflr {{[0-9]+}} 118 ; CHECK-DAG: ori [[REG2:[0-9]+]], [[REG1]], 51808 119 ; CHECK-DAG: std 30, -16(1) 120 ; CHECK-DAG: mr 30, 1 121 ; CHECK-DAG: std 0, 16(1) 122 ; CHECK-DAG: subfc 0, [[REG3]], [[REG2]] 123 ; CHECK: stdux 1, 1, 0 124 125 ; CHECK: .cfi_def_cfa_register r30 126 127 ; CHECK: blr 128 129 ; CHECK-32-LABEL: @hoo 130 131 ; CHECK-32-DAG: lis [[REG1:[0-9]+]], -13 132 ; CHECK-32-DAG: clrlwi [[REG3:[0-9]+]], 1, 27 133 ; CHECK-32-DAG: mflr {{[0-9]+}} 134 ; CHECK-32-DAG: ori [[REG2:[0-9]+]], [[REG1]], 51904 135 ; CHECK-32-DAG: stw 30, -8(1) 136 ; CHECK-32-DAG: mr 30, 1 137 ; CHECK-32-DAG: stw 0, 4(1) 138 ; CHECK-32-DAG: subfc 0, [[REG3]], [[REG2]] 139 ; CHECK-32: stwux 1, 1, 0 140 141 ; CHECK-32: blr 142 143 ; CHECK-32-PIC-LABEL: @hoo 144 145 ; CHECK-32-PIC-DAG: lis [[REG1:[0-9]+]], -13 146 ; CHECK-32-PIC-DAG: clrlwi [[REG3:[0-9]+]], 1, 27 147 ; CHECK-32-PIC-DAG: mflr {{[0-9]+}} 148 ; CHECK-32-PIC-DAG: ori [[REG2:[0-9]+]], [[REG1]], 51904 149 ; CHECK-32-PIC-DAG: stw 29, -12(1) 150 ; CHECK-32-PIC-DAG: mr 29, 1 151 ; CHECK-32-PIC-DAG: stw 0, 4(1) 152 ; CHECK-32-PIC-DAG: subfc 0, [[REG3]], [[REG2]] 153 ; CHECK-32: stwux 1, 1, 0 154 155 ; CHECK-32: blr 156 157 ; Make sure that the FP save area is still allocated correctly relative to 158 ; where r30 is saved. 159 define void @loo(%struct.s* byval nocapture readonly %a) { 160 entry: 161 %x = alloca [2 x i32], align 32 162 %a1 = getelementptr inbounds %struct.s, %struct.s* %a, i64 0, i32 0 163 %0 = load i32, i32* %a1, align 4 164 %arrayidx = getelementptr inbounds [2 x i32], [2 x i32]* %x, i64 0, i64 0 165 store i32 %0, i32* %arrayidx, align 32 166 %b = getelementptr inbounds %struct.s, %struct.s* %a, i64 0, i32 1 167 %1 = load i32, i32* %b, align 4 168 %arrayidx2 = getelementptr inbounds [2 x i32], [2 x i32]* %x, i64 0, i64 1 169 store i32 %1, i32* %arrayidx2, align 4 170 call void @bar(i32* %arrayidx) 171 call void asm sideeffect "", "~{f30}"() nounwind 172 ret void 173 } 174 175 ; CHECK-LABEL: @loo 176 177 ; CHECK-DAG: mflr {{[0-9]+}} 178 ; CHECK-DAG: clrldi [[REG:[0-9]+]], 1, 59 179 ; CHECK-DAG: std 30, -32(1) 180 ; CHECK-DAG: mr 30, 1 181 ; CHECK-DAG: std 0, 16(1) 182 ; CHECK-DAG: subfic 0, [[REG]], -192 183 ; CHECK: stdux 1, 1, 0 184 185 ; CHECK: .cfi_def_cfa_register r30 186 187 ; CHECK: stfd 30, -16(30) 188 189 ; CHECK: blr 190 191 ; CHECK-FP-LABEL: @loo 192 193 ; CHECK-FP-DAG: mflr {{[0-9]+}} 194 ; CHECK-FP-DAG: clrldi [[REG:[0-9]+]], 1, 59 195 ; CHECK-FP-DAG: std 31, -24(1) 196 ; CHECK-FP-DAG: std 30, -32(1) 197 ; CHECK-FP-DAG: mr 30, 1 198 ; CHECK-FP-DAG: std 0, 16(1) 199 ; CHECK-FP-DAG: subfic 0, [[REG]], -192 200 ; CHECK-FP: stdux 1, 1, 0 201 202 ; CHECK-FP: .cfi_def_cfa_register r30 203 204 ; CHECK-FP: stfd 30, -16(30) 205 206 ; CHECK-FP: blr 207