1 files changed, 64 insertions, 0 deletions
diff --git a/test/CodeGen/SPARC/spill.ll b/test/CodeGen/SPARC/spill.ll
new file mode 100644
index 00000000000..a461de9640b
--- /dev/null
+++ b/test/CodeGen/SPARC/spill.ll
@@ -0,0 +1,64 @@
+; RUN: llc -march=sparc  < %s | FileCheck %s
+
+;; Ensure that spills and reloads work for various types on
+;; sparcv8.
+
+;; For i32/i64 tests, use an asm statement which clobbers most
+;; registers to ensure the spill will happen.
+
+; CHECK-LABEL: test_i32_spill:
+; CHECK:       and %i0, %i1, %o0
+; CHECK:       st %o0, [%fp+{{.+}}]
+; CHECK:       add %o0, %o0, %g0
+; CHECK:       ld [%fp+{{.+}}, %i0
+define i32 @test_i32_spill(i32 %a, i32 %b) {
+entry:
+  %r0 = and i32 %a, %b
+  ; The clobber list has all registers except g0/o0. (Only o0 is usable.)
+  %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)
+  ret i32 %r0
+}
+
+; CHECK-LABEL: test_i64_spill:
+; CHECK:       and %i0, %i2, %o0
+; CHECK:       and %i1, %i3, %o1
+; CHECK:       std %o0, [%fp+{{.+}}]
+; CHECK:       add %o0, %o0, %g0
+; CHECK:       ldd [%fp+{{.+}}, %i0
+define i64 @test_i64_spill(i64 %a, i64 %b) {
+entry:
+  %r0 = and i64 %a, %b
+  ; The clobber list has all registers except g0,g1,o0,o1. (Only o0/o1 are a usable pair)
+  ; So, o0/o1 must be used.
+  %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)
+  ret i64 %r0
+}
+
+;; For float/double tests, a call is a suitable clobber as *all* FPU
+;; registers are caller-save on sparcv8.
+
+; CHECK-LABEL: test_float_spill:
+; CHECK:       fadds %f1, %f0, [[R:%[f][0-31]]]
+; CHECK:       st [[R]], [%fp+{{.+}}]
+; CHECK:       call
+; CHECK:       ld [%fp+{{.+}}, %f0
+declare float @foo_float(float)
+define float @test_float_spill(float %a, float %b) {
+entry:
+  %r0 = fadd float %a, %b
+  %0 = call float @foo_float(float %r0)
+  ret float %r0
+}
+
+; CHECK-LABEL: test_double_spill:
+; CHECK:       faddd %f2, %f0, [[R:%[f][0-31]]]
+; CHECK:       std [[R]], [%fp+{{.+}}]
+; CHECK:       call
+; CHECK:       ldd [%fp+{{.+}}, %f0
+declare double @foo_double(double)
+define double @test_double_spill(double %a, double %b) {
+entry:
+  %r0 = fadd double %a, %b
+  %0 = call double @foo_double(double %r0)
+  ret double %r0
+}