1 ;RUN: llc -march=sparc < %s -verify-machineinstrs | FileCheck %s
2 ;RUN: llc -march=sparc -O0 < %s -verify-machineinstrs | FileCheck %s -check-prefix=UNOPT
4 target triple = "sparc-unknown-linux-gnu"
6 define i32 @test(i32 %a) #0 {
13 %0 = tail call i32 @bar(i32 %a) nounwind
17 define i32 @test_jmpl(ptr nocapture %f, i32 %a, i32 %b) #0 {
24 %0 = tail call i32 %f(i32 %a, i32 %b) nounwind
28 define i32 @test_loop(i32 %a, i32 %b) nounwind readnone {
31 %0 = icmp sgt i32 %b, 0
32 br i1 %0, label %bb, label %bb5
34 bb: ; 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
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
47 br i1 %exitcond, label %bb5, label %bb
49 bb5: ; preds = %bb, %entry
50 %a_addr.1.lcssa = phi i32 [ %a, %entry ], [ %a_addr.0, %bb ]
53 ret i32 %a_addr.1.lcssa
56 define i32 @test_inlineasm(i32 %a) #0 {
58 ;CHECK-LABEL: test_inlineasm:
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
69 %1 = tail call i32 (...) @foo(i32 %a) nounwind
73 %2 = tail call i32 @bar(i32 %a) nounwind
82 define i32 @test_implicit_def() #0 {
84 ;UNOPT-LABEL: test_implicit_def:
87 %0 = tail call i32 @func(ptr undef) nounwind
91 define i32 @prevent_o7_in_call_delay_slot(i32 %i0) #0 {
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
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)
108 declare i32 @func(ptr)
111 define i32 @restore_add(i32 %a, i32 %b) {
113 ;CHECK-LABEL: restore_add:
115 ;CHECK: restore %o0, %i1, %o0
116 %0 = tail call i32 @bar(i32 %a) nounwind
117 %1 = add nsw i32 %0, %b
121 define i32 @restore_add_imm(i32 %a) {
123 ;CHECK-LABEL: restore_add_imm:
125 ;CHECK: restore %o0, 20, %o0
126 %0 = tail call i32 @bar(i32 %a) nounwind
127 %1 = add nsw i32 %0, 20
131 define i32 @restore_or(i32 %a) #0 {
133 ;CHECK-LABEL: restore_or:
135 ;CHECK: restore %g0, %o0, %o0
136 %0 = tail call i32 @bar(i32 %a) nounwind
140 define i32 @restore_or_imm(i32 %a) {
142 ;CHECK-LABEL: restore_or_imm:
143 ;CHECK: or %o0, 20, %i0
145 ;CHECK-NOT: restore %g0, %g0, %g0
147 %0 = tail call i32 @bar(i32 %a) nounwind
153 define i32 @restore_sethi(i32 %a) {
155 ;CHECK-LABEL: restore_sethi:
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
164 define i32 @restore_sethi_3bit(i32 %a) {
166 ;CHECK-LABEL: restore_sethi_3bit:
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
175 define i32 @restore_sethi_large(i32 %a) {
177 ;CHECK-LABEL: restore_sethi_large:
178 ;CHECK: sethi 4000, %i0
179 ;CHECK-NOT: restore %g0, %g0, %g0
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
187 attributes #0 = { nounwind "disable-tail-calls"="true" }