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Diffstat (limited to 'test/CodeGen/SPARC/spill.ll')
-rw-r--r-- | test/CodeGen/SPARC/spill.ll | 64 |
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 000000000000..a461de9640bd --- /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 +} |