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 5target 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" 6target triple = "powerpc64-unknown-linux-gnu" 7 8%struct.s = type { i32, i32 } 9 10declare void @bar(i32*) 11 12@barbaz = external global i32 13 14define void @goo(%struct.s* byval nocapture readonly %a) { 15entry: 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. 98define void @hoo(%struct.s* byval nocapture readonly %a) { 99entry: 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. 159define void @loo(%struct.s* byval nocapture readonly %a) { 160entry: 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