1 ; RUN: llc -march=sparc <%s | FileCheck %s
3 ; CHECK-LABEL: test_constraint_r
4 ; CHECK: add %i1, %i0, %i0
5 define i32 @test_constraint_r(i32 %a, i32 %b) {
7 %0 = tail call i32 asm sideeffect "add $2, $1, $0", "=r,r,r"(i32 %a, i32 %b)
11 ;; Check tests only that the constraints are accepted without a compiler failure.
12 ; CHECK-LABEL: test_constraints_nro:
13 %struct.anon = type { i32, i32 }
14 @v = external global %struct.anon, align 4
15 define void @test_constraints_nro() {
17 %0 = load i32, ptr @v;
18 %1 = load i32, ptr getelementptr inbounds (%struct.anon, ptr @v, i32 0, i32 1);
19 tail call void asm sideeffect "", "nro,nro"(i32 %0, i32 %1)
23 ; CHECK-LABEL: test_constraint_I:
24 ; CHECK: add %i0, 1023, %i0
25 define i32 @test_constraint_I(i32 %a) {
27 %0 = tail call i32 asm sideeffect "add $1, $2, $0", "=r,r,rI"(i32 %a, i32 1023)
31 ; CHECK-LABEL: test_constraint_I_neg:
32 ; CHECK: add %i0, -4096, %i0
33 define i32 @test_constraint_I_neg(i32 %a) {
35 %0 = tail call i32 asm sideeffect "add $1, $2, $0", "=r,r,rI"(i32 %a, i32 -4096)
39 ; CHECK-LABEL: test_constraint_I_largeimm:
40 ; CHECK: sethi 9, [[R0:%[gilo][0-7]]]
41 ; CHECK: or [[R0]], 784, [[R1:%[gilo][0-7]]]
42 ; CHECK: add %i0, [[R1]], %i0
43 define i32 @test_constraint_I_largeimm(i32 %a) {
45 %0 = tail call i32 asm sideeffect "add $1, $2, $0", "=r,r,rI"(i32 %a, i32 10000)
49 ; CHECK-LABEL: test_constraint_reg:
50 ; CHECK: ldda [%i1] 43, %g2
51 ; CHECK: ldda [%i1] 43, %g4
52 define void @test_constraint_reg(i32 %s, ptr %ptr) {
54 %0 = tail call i64 asm sideeffect "ldda [$1] $2, $0", "={r2},r,n"(ptr %ptr, i32 43)
55 %1 = tail call i64 asm sideeffect "ldda [$1] $2, $0", "={g4},r,n"(ptr %ptr, i32 43)
59 ;; Ensure that i64 args to asm are allocated to the IntPair register class.
60 ;; Also checks that there's no register renaming for leaf proc if it has inline asm.
61 ; CHECK-LABEL: test_constraint_r_i64:
63 ; CHECK: sra %i5, 31, %i4
64 ; CHECK: std %i4, [%i1]
65 define i32 @test_constraint_r_i64(i32 %foo, ptr %out, i32 %o) {
67 %conv = sext i32 %foo to i64
68 tail call void asm sideeffect "std $0, [$1]", "r,r,~{memory}"(i64 %conv, ptr %out)
72 ;; Same test without leaf-proc opt
73 ; CHECK-LABEL: test_constraint_r_i64_noleaf:
75 ; CHECK: sra %i5, 31, %i4
76 ; CHECK: std %i4, [%i1]
77 define i32 @test_constraint_r_i64_noleaf(i32 %foo, ptr %out, i32 %o) #0 {
79 %conv = sext i32 %foo to i64
80 tail call void asm sideeffect "std $0, [$1]", "r,r,~{memory}"(i64 %conv, ptr %out)
83 attributes #0 = { "frame-pointer"="all" }
85 ;; Ensures that tied in and out gets allocated properly.
86 ; CHECK-LABEL: test_i64_inout:
89 ; CHECK: xor %i2, %g0, %i2
92 define i64 @test_i64_inout() {
94 %0 = call i64 asm sideeffect "xor $1, %g0, $0", "=r,0,~{i1}"(i64 5);
99 ;; Ensures that inline-asm accepts and uses 'f' and 'e' register constraints.
100 ; CHECK-LABEL: fadds:
101 ; CHECK: fadds %f0, %f1, %f0
102 define float @fadds(float, float) local_unnamed_addr #2 {
104 %2 = tail call float asm sideeffect "fadds $1, $2, $0;", "=f,f,e"(float %0, float %1) #7
108 ; CHECK-LABEL: faddd:
109 ; CHECK: faddd %f0, %f2, %f0
110 define double @faddd(double, double) local_unnamed_addr #2 {
112 %2 = tail call double asm sideeffect "faddd $1, $2, $0;", "=f,f,e"(double %0, double %1) #7
116 ; CHECK-LABEL: test_addressing_mode_i64:
117 ; CHECK: std %l0, [%i0]
118 define void @test_addressing_mode_i64(ptr %out) {
120 call void asm "std %l0, $0", "=*m,r"(ptr elementtype(i64) nonnull %out, i64 0)
124 ; CHECK-LABEL: test_constraint_float_reg:
125 ; CHECK: fadds %f20, %f20, %f20
126 ; CHECK: faddd %f20, %f20, %f20
127 define void @test_constraint_float_reg() {
129 tail call void asm sideeffect "fadds $0,$1,$2", "{f20},{f20},{f20}"(float 6.0, float 7.0, float 8.0)
130 tail call void asm sideeffect "faddd $0,$1,$2", "{f20},{f20},{f20}"(double 9.0, double 10.0, double 11.0)
134 ; CHECK-LABEL: test_constraint_f_e_i32_i64:
135 ; CHECK: ld [%i0+%lo(.LCPI13_0)], %f0
136 ; CHECK: ldd [%i0+%lo(.LCPI13_1)], %f2
137 ; CHECK: fadds %f0, %f0, %f0
138 ; CHECK: faddd %f2, %f2, %f0
140 define void @test_constraint_f_e_i32_i64() {
142 %0 = call float asm sideeffect "fadds $1, $2, $0", "=f,f,e"(i32 0, i32 0)
143 %1 = call double asm sideeffect "faddd $1, $2, $0", "=f,f,e"(i64 0, i64 0)
147 ; CHECK-LABEL: test_twinword:
148 ; CHECK: rd %asr5, %i1
149 ; CHECK: srlx %i1, 32, %i0
151 define i64 @test_twinword(){
152 %1 = tail call i64 asm sideeffect "rd %asr5, ${0:L} \0A\09 srlx ${0:L}, 32, ${0:H}", "={i0}"()
156 ; CHECK-LABEL: test_symbol:
157 ; CHECK: ba,a brtarget
158 define void @test_symbol() {
160 call void asm sideeffect "ba,a ${0}", "X"(ptr @brtarget)
164 declare void @brtarget()