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-rw-r--r--test/CodeGen/SPARC/leafproc.ll80
1 files changed, 80 insertions, 0 deletions
diff --git a/test/CodeGen/SPARC/leafproc.ll b/test/CodeGen/SPARC/leafproc.ll
new file mode 100644
index 0000000000000..0a7ae083d208b
--- /dev/null
+++ b/test/CodeGen/SPARC/leafproc.ll
@@ -0,0 +1,80 @@
+; RUN: llc -march=sparc -disable-sparc-leaf-proc=0 < %s | FileCheck %s
+
+; CHECK-LABEL: func_nobody:
+; CHECK: jmp %o7+8
+; CHECK-NEXT: nop
+define void @func_nobody() {
+entry:
+ ret void
+}
+
+
+; CHECK-LABEL: return_int_const:
+; CHECK: jmp %o7+8
+; CHECK-NEXT: or %g0, 1729, %o0
+define i32 @return_int_const() {
+entry:
+ ret i32 1729
+}
+
+; CHECK-LABEL: return_double_const:
+; CHECK: sethi
+; CHECK: jmp %o7+8
+; CHECK-NEXT: ldd {{.*}}, %f0
+
+define double @return_double_const() {
+entry:
+ ret double 0.000000e+00
+}
+
+; CHECK-LABEL: leaf_proc_with_args:
+; CHECK: add {{%o[0-1]}}, {{%o[0-1]}}, [[R:%[go][0-7]]]
+; CHECK: jmp %o7+8
+; CHECK-NEXT: add [[R]], %o2, %o0
+
+define i32 @leaf_proc_with_args(i32 %a, i32 %b, i32 %c) {
+entry:
+ %0 = add nsw i32 %b, %a
+ %1 = add nsw i32 %0, %c
+ ret i32 %1
+}
+
+; CHECK-LABEL: leaf_proc_with_args_in_stack:
+; CHECK-DAG: ld [%sp+92], {{%[go][0-7]}}
+; CHECK-DAG: ld [%sp+96], {{%[go][0-7]}}
+; CHECK: jmp %o7+8
+; CHECK-NEXT: add {{.*}}, %o0
+define i32 @leaf_proc_with_args_in_stack(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h) {
+entry:
+ %0 = add nsw i32 %b, %a
+ %1 = add nsw i32 %0, %c
+ %2 = add nsw i32 %1, %d
+ %3 = add nsw i32 %2, %e
+ %4 = add nsw i32 %3, %f
+ %5 = add nsw i32 %4, %g
+ %6 = add nsw i32 %5, %h
+ ret i32 %6
+}
+
+; CHECK-LABEL: leaf_proc_with_local_array:
+; CHECK: add %sp, -104, %sp
+; CHECK: or %g0, 1, [[R1:%[go][0-7]]]
+; CHECK: st [[R1]], [%sp+96]
+; CHECK: or %g0, 2, [[R2:%[go][0-7]]]
+; CHECK: st [[R2]], [%sp+100]
+; CHECK: ld {{.+}}, %o0
+; CHECK: jmp %o7+8
+; CHECK-NEXT: add %sp, 104, %sp
+
+define i32 @leaf_proc_with_local_array(i32 %a, i32 %b, i32 %c) {
+entry:
+ %array = alloca [2 x i32], align 4
+ %0 = sub nsw i32 %b, %c
+ %1 = getelementptr inbounds [2 x i32]* %array, i32 0, i32 0
+ store i32 1, i32* %1, align 4
+ %2 = getelementptr inbounds [2 x i32]* %array, i32 0, i32 1
+ store i32 2, i32* %2, align 4
+ %3 = getelementptr inbounds [2 x i32]* %array, i32 0, i32 %a
+ %4 = load i32* %3, align 4
+ ret i32 %4
+}