1 ; RUN: llc -march=sparc -disable-sparc-leaf-proc=0 < %s | FileCheck %s 2 3 ; CHECK-LABEL: func_nobody: 4 ; CHECK: retl 5 ; CHECK-NEXT: nop 6 define void @func_nobody() { 7 entry: 8 ret void 9 } 10 11 12 ; CHECK-LABEL: return_int_const: 13 ; CHECK: retl 14 ; CHECK-NEXT: mov 1729, %o0 15 define i32 @return_int_const() { 16 entry: 17 ret i32 1729 18 } 19 20 ; CHECK-LABEL: return_double_const: 21 ; CHECK: sethi 22 ; CHECK: retl 23 ; CHECK-NEXT: ldd {{.*}}, %f0 24 25 define double @return_double_const() { 26 entry: 27 ret double 0.000000e+00 28 } 29 30 ; CHECK-LABEL: leaf_proc_with_args: 31 ; CHECK: add {{%o[0-1]}}, {{%o[0-1]}}, [[R:%[go][0-7]]] 32 ; CHECK: retl 33 ; CHECK-NEXT: add [[R]], %o2, %o0 34 35 define i32 @leaf_proc_with_args(i32 %a, i32 %b, i32 %c) { 36 entry: 37 %0 = add nsw i32 %b, %a 38 %1 = add nsw i32 %0, %c 39 ret i32 %1 40 } 41 42 ; CHECK-LABEL: leaf_proc_with_args_in_stack: 43 ; CHECK-DAG: ld [%sp+92], {{%[go][0-7]}} 44 ; CHECK-DAG: ld [%sp+96], {{%[go][0-7]}} 45 ; CHECK: retl 46 ; CHECK-NEXT: add {{.*}}, %o0 47 define i32 @leaf_proc_with_args_in_stack(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h) { 48 entry: 49 %0 = add nsw i32 %b, %a 50 %1 = add nsw i32 %0, %c 51 %2 = add nsw i32 %1, %d 52 %3 = add nsw i32 %2, %e 53 %4 = add nsw i32 %3, %f 54 %5 = add nsw i32 %4, %g 55 %6 = add nsw i32 %5, %h 56 ret i32 %6 57 } 58 59 ; CHECK-LABEL: leaf_proc_with_local_array: 60 ; CHECK: add %sp, -104, %sp 61 ; CHECK: mov 1, [[R1:%[go][0-7]]] 62 ; CHECK: st [[R1]], [%sp+96] 63 ; CHECK: mov 2, [[R2:%[go][0-7]]] 64 ; CHECK: st [[R2]], [%sp+100] 65 ; CHECK: ld {{.+}}, %o0 66 ; CHECK: retl 67 ; CHECK-NEXT: add %sp, 104, %sp 68 69 define i32 @leaf_proc_with_local_array(i32 %a, i32 %b, i32 %c) { 70 entry: 71 %array = alloca [2 x i32], align 4 72 %0 = sub nsw i32 %b, %c 73 %1 = getelementptr inbounds [2 x i32], [2 x i32]* %array, i32 0, i32 0 74 store i32 1, i32* %1, align 4 75 %2 = getelementptr inbounds [2 x i32], [2 x i32]* %array, i32 0, i32 1 76 store i32 2, i32* %2, align 4 77 %3 = getelementptr inbounds [2 x i32], [2 x i32]* %array, i32 0, i32 %a 78 %4 = load i32, i32* %3, align 4 79 ret i32 %4 80 } 81
