1;RUN: llc -march=sparc < %s -verify-machineinstrs | FileCheck %s 2;RUN: llc -march=sparc -O0 < %s -verify-machineinstrs | FileCheck %s -check-prefix=UNOPT 3 4target triple = "sparc-unknown-linux-gnu" 5 6define i32 @test(i32 %a) nounwind { 7entry: 8; CHECK: test 9; CHECK: call bar 10; CHECK-NOT: nop 11; CHECK: ret 12; CHECK-NEXT: restore 13 %0 = tail call i32 @bar(i32 %a) nounwind 14 ret i32 %0 15} 16 17define i32 @test_jmpl(i32 (i32, i32)* nocapture %f, i32 %a, i32 %b) nounwind { 18entry: 19; CHECK: test_jmpl 20; CHECK: call 21; CHECK-NOT: nop 22; CHECK: ret 23; CHECK-NEXT: restore 24 %0 = tail call i32 %f(i32 %a, i32 %b) nounwind 25 ret i32 %0 26} 27 28define i32 @test_loop(i32 %a, i32 %b) nounwind readnone { 29; CHECK: test_loop 30entry: 31 %0 = icmp sgt i32 %b, 0 32 br i1 %0, label %bb, label %bb5 33 34bb: ; preds = %entry, %bb 35 %a_addr.18 = phi i32 [ %a_addr.0, %bb ], [ %a, %entry ] 36 %1 = phi i32 [ %3, %bb ], [ 0, %entry ] 37 %tmp9 = mul i32 %1, %b 38 %2 = and i32 %1, 1 39 %tmp = xor i32 %2, 1 40 %.pn = shl i32 %tmp9, %tmp 41 %a_addr.0 = add i32 %.pn, %a_addr.18 42 %3 = add nsw i32 %1, 1 43 %exitcond = icmp eq i32 %3, %b 44;CHECK: cmp 45;CHECK: bne 46;CHECK-NOT: nop 47 br i1 %exitcond, label %bb5, label %bb 48 49bb5: ; preds = %bb, %entry 50 %a_addr.1.lcssa = phi i32 [ %a, %entry ], [ %a_addr.0, %bb ] 51;CHECK: retl 52;CHECK-NOT: restore 53 ret i32 %a_addr.1.lcssa 54} 55 56define i32 @test_inlineasm(i32 %a) nounwind { 57entry: 58;CHECK-LABEL: test_inlineasm: 59;CHECK: sethi 60;CHECK: !NO_APP 61;CHECK-NEXT: cmp 62;CHECK-NEXT: ble 63;CHECK-NEXT: mov 64 tail call void asm sideeffect "sethi 0, %g0", ""() nounwind 65 %0 = icmp slt i32 %a, 0 66 br i1 %0, label %bb, label %bb1 67 68bb: ; preds = %entry 69 %1 = tail call i32 (...) @foo(i32 %a) nounwind 70 ret i32 %1 71 72bb1: ; preds = %entry 73 %2 = tail call i32 @bar(i32 %a) nounwind 74 ret i32 %2 75} 76 77declare i32 @foo(...) 78 79declare i32 @bar(i32) 80 81 82define i32 @test_implicit_def() nounwind { 83entry: 84;UNOPT-LABEL: test_implicit_def: 85;UNOPT: call func 86;UNOPT-NEXT: nop 87 %0 = tail call i32 @func(i32* undef) nounwind 88 ret i32 0 89} 90 91define i32 @prevent_o7_in_call_delay_slot(i32 %i0) { 92entry: 93;CHECK-LABEL: prevent_o7_in_call_delay_slot: 94;CHECK: add %i0, 2, %o5 95;CHECK: add %i0, 3, %o7 96;CHECK: add %o5, %o7, %o0 97;CHECK: call bar 98;CHECK-NEXT: nop 99 %0 = add nsw i32 %i0, 2 100 %1 = add nsw i32 %i0, 3 101 tail call void asm sideeffect "", "r,r,~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o6},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7}"(i32 %0, i32 %1) 102 %2 = add nsw i32 %0, %1 103 %3 = tail call i32 @bar(i32 %2) 104 ret i32 %3 105} 106 107 108declare i32 @func(i32*) 109 110 111define i32 @restore_add(i32 %a, i32 %b) { 112entry: 113;CHECK-LABEL: restore_add: 114;CHECK: ret 115;CHECK: restore %o0, %i1, %o0 116 %0 = tail call i32 @bar(i32 %a) nounwind 117 %1 = add nsw i32 %0, %b 118 ret i32 %1 119} 120 121define i32 @restore_add_imm(i32 %a) { 122entry: 123;CHECK-LABEL: restore_add_imm: 124;CHECK: ret 125;CHECK: restore %o0, 20, %o0 126 %0 = tail call i32 @bar(i32 %a) nounwind 127 %1 = add nsw i32 %0, 20 128 ret i32 %1 129} 130 131define i32 @restore_or(i32 %a) { 132entry: 133;CHECK-LABEL: restore_or: 134;CHECK: ret 135;CHECK: restore %g0, %o0, %o0 136 %0 = tail call i32 @bar(i32 %a) nounwind 137 ret i32 %0 138} 139 140define i32 @restore_or_imm(i32 %a) { 141entry: 142;CHECK-LABEL: restore_or_imm: 143;CHECK: or %o0, 20, %i0 144;CHECK: ret 145;CHECK-NOT: restore %g0, %g0, %g0 146;CHECK: restore 147 %0 = tail call i32 @bar(i32 %a) nounwind 148 %1 = or i32 %0, 20 149 ret i32 %1 150} 151 152 153define i32 @restore_sethi(i32 %a) { 154entry: 155;CHECK-LABEL: restore_sethi: 156;CHECK-NOT: sethi 3 157;CHECK: restore %g0, 3072, %o0 158 %0 = tail call i32 @bar(i32 %a) nounwind 159 %1 = icmp ne i32 %0, 0 160 %2 = select i1 %1, i32 3072, i32 0 161 ret i32 %2 162} 163 164define i32 @restore_sethi_3bit(i32 %a) { 165entry: 166;CHECK-LABEL: restore_sethi_3bit: 167;CHECK: sethi 6 168;CHECK-NOT: restore %g0, 6144, %o0 169 %0 = tail call i32 @bar(i32 %a) nounwind 170 %1 = icmp ne i32 %0, 0 171 %2 = select i1 %1, i32 6144, i32 0 172 ret i32 %2 173} 174 175define i32 @restore_sethi_large(i32 %a) { 176entry: 177;CHECK-LABEL: restore_sethi_large: 178;CHECK: sethi 4000, %i0 179;CHECK-NOT: restore %g0, %g0, %g0 180;CHECK: restore 181 %0 = tail call i32 @bar(i32 %a) nounwind 182 %1 = icmp ne i32 %0, 0 183 %2 = select i1 %1, i32 4096000, i32 0 184 ret i32 %2 185} 186 187