| James Y Knight | 3994be8 | 2015-08-10 19:11:39 +0000 | [diff] [blame] | 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 |
| 14 | define i32 @test_i32_spill(i32 %a, i32 %b) { |
| 15 | entry: |
| 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 |
| 28 | define i64 @test_i64_spill(i64 %a, i64 %b) { |
| 29 | entry: |
| 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 |
| 45 | declare float @foo_float(float) |
| 46 | define float @test_float_spill(float %a, float %b) { |
| 47 | entry: |
| 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 |
| 58 | declare double @foo_double(double) |
| 59 | define double @test_double_spill(double %a, double %b) { |
| 60 | entry: |
| 61 | %r0 = fadd double %a, %b |
| 62 | %0 = call double @foo_double(double %r0) |
| 63 | ret double %r0 |
| 64 | } |