1; RUN: llc -march=sparc  < %s | FileCheck %s
2
3;; Ensure that spills and reloads work for various types on
4;; sparcv8.
5
6;; For i32/i64 tests, use an asm statement which clobbers most
7;; registers to ensure the spill will happen.
8
9; CHECK-LABEL: test_i32_spill:
10; CHECK:       and %i0, %i1, %o0
11; CHECK:       st %o0, [%fp+{{.+}}]
12; CHECK:       add %o0, %o0, %g0
13; CHECK:       ld [%fp+{{.+}}, %i0
14define i32 @test_i32_spill(i32 %a, i32 %b) {
15entry:
16  %r0 = and i32 %a, %b
17  ; The clobber list has all registers except g0/o0. (Only o0 is usable.)
18  %0 = call i32 asm sideeffect "add $0,$1,%g0", "=r,0,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6},~{o7}"(i32 %r0)
19  ret i32 %r0
20}
21
22; CHECK-LABEL: test_i64_spill:
23; CHECK:       and %i0, %i2, %o0
24; CHECK:       and %i1, %i3, %o1
25; CHECK:       std %o0, [%fp+{{.+}}]
26; CHECK:       add %o0, %o0, %g0
27; CHECK:       ldd [%fp+{{.+}}, %i0
28define i64 @test_i64_spill(i64 %a, i64 %b) {
29entry:
30  %r0 = and i64 %a, %b
31  ; The clobber list has all registers except g0,g1,o0,o1. (Only o0/o1 are a usable pair)
32  ; So, o0/o1 must be used.
33  %0 = call i64 asm sideeffect "add $0,$1,%g0", "=r,0,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o2},~{o3},~{o4},~{o5},~{o7}"(i64 %r0)
34  ret i64 %r0
35}
36
37;; For float/double tests, a call is a suitable clobber as *all* FPU
38;; registers are caller-save on sparcv8.
39
40; CHECK-LABEL: test_float_spill:
41; CHECK:       fadds %f1, %f0, [[R:%[f][0-31]]]
42; CHECK:       st [[R]], [%fp+{{.+}}]
43; CHECK:       call
44; CHECK:       ld [%fp+{{.+}}, %f0
45declare float @foo_float(float)
46define float @test_float_spill(float %a, float %b) {
47entry:
48  %r0 = fadd float %a, %b
49  %0 = call float @foo_float(float %r0)
50  ret float %r0
51}
52
53; CHECK-LABEL: test_double_spill:
54; CHECK:       faddd %f2, %f0, [[R:%[f][0-31]]]
55; CHECK:       std [[R]], [%fp+{{.+}}]
56; CHECK:       call
57; CHECK:       ldd [%fp+{{.+}}, %f0
58declare double @foo_double(double)
59define double @test_double_spill(double %a, double %b) {
60entry:
61  %r0 = fadd double %a, %b
62  %0 = call double @foo_double(double %r0)
63  ret double %r0
64}
65