diff options
Diffstat (limited to 'test/CodeGen/SPARC/leafproc.ll')
-rw-r--r-- | test/CodeGen/SPARC/leafproc.ll | 80 |
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 +} |