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