diff options
Diffstat (limited to 'llvm/test/CodeGen/AVR/calling-conv/c/basic.ll')
-rw-r--r-- | llvm/test/CodeGen/AVR/calling-conv/c/basic.ll | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AVR/calling-conv/c/basic.ll b/llvm/test/CodeGen/AVR/calling-conv/c/basic.ll new file mode 100644 index 00000000000..a5d4676b9b3 --- /dev/null +++ b/llvm/test/CodeGen/AVR/calling-conv/c/basic.ll @@ -0,0 +1,99 @@ +; RUN: llc < %s -march=avr | FileCheck %s + +; CHECK-LABEL: ret_void_args_i8 +define void @ret_void_args_i8(i8 %a) { + ; CHECK: sts 4, r24 + store volatile i8 %a, i8* inttoptr (i64 4 to i8*) + ret void +} + +; CHECK-LABEL: ret_void_args_i8_i32 +define void @ret_void_args_i8_i32(i8 %a, i32 %b) { + ; CHECK: sts 4, r24 + store volatile i8 %a, i8* inttoptr (i64 4 to i8*) + + ; CHECK-NEXT: sts 8, r23 + ; CHECK-NEXT: sts 7, r22 + ; CHECK-NEXT: sts 6, r21 + ; CHECK-NEXT: sts 5, r20 + store volatile i32 %b, i32* inttoptr (i64 5 to i32*) + ret void +} + +; CHECK-LABEL: ret_void_args_i8_i8_i8_i8 +define void @ret_void_args_i8_i8_i8_i8(i8 %a, i8 %b, i8 %c, i8 %d) { + ; CHECK: sts 4, r24 + store volatile i8 %a, i8* inttoptr (i64 4 to i8*) + ; CHECK-NEXT: sts 5, r22 + store volatile i8 %b, i8* inttoptr (i64 5 to i8*) + ; CHECK-NEXT: sts 6, r20 + store volatile i8 %c, i8* inttoptr (i64 6 to i8*) + ; CHECK-NEXT: sts 7, r18 + store volatile i8 %d, i8* inttoptr (i64 7 to i8*) + ret void +} + +; CHECK-LABEL: ret_void_args_i32_16_i8 +define void @ret_void_args_i32_16_i8(i32 %a, i16 %b, i8 %c) { + ; CHECK: sts 7, r25 + ; CHECK-NEXT: sts 6, r24 + ; CHECK-NEXT: sts 5, r23 + ; CHECK-NEXT: sts 4, r22 + store volatile i32 %a, i32* inttoptr (i64 4 to i32*) + + ; CHECK-NEXT: sts 5, r21 + ; CHECK-NEXT: sts 4, r20 + store volatile i16 %b, i16* inttoptr (i64 4 to i16*) + + ; CHECK-NEXT: sts 4, r18 + store volatile i8 %c, i8* inttoptr (i64 4 to i8*) + ret void +} + +; CHECK-LABEL: ret_void_args_i64 +define void @ret_void_args_i64(i64 %a) { + ; CHECK: sts 11, r25 + ; CHECK-NEXT: sts 10, r24 + ; CHECK-NEXT: sts 9, r23 + ; CHECK-NEXT: sts 8, r22 + ; CHECK-NEXT: sts 7, r21 + ; CHECK-NEXT: sts 6, r20 + ; CHECK-NEXT: sts 5, r19 + ; CHECK-NEXT: sts 4, r18 + store volatile i64 %a, i64* inttoptr (i64 4 to i64*) + ret void +} + +; CHECK-LABEL: ret_void_args_i64_i64 +define void @ret_void_args_i64_i64(i64 %a, i64 %b) { + ; CHECK: sts 11, r25 + ; CHECK-NEXT: sts 10, r24 + ; CHECK-NEXT: sts 9, r23 + ; CHECK-NEXT: sts 8, r22 + ; CHECK-NEXT: sts 7, r21 + ; CHECK-NEXT: sts 6, r20 + ; CHECK-NEXT: sts 5, r19 + ; CHECK-NEXT: sts 4, r18 + store volatile i64 %a, i64* inttoptr (i64 4 to i64*) + + ; CHECK-NEXT: sts 11, r17 + ; CHECK-NEXT: sts 10, r16 + ; CHECK-NEXT: sts 9, r15 + ; CHECK-NEXT: sts 8, r14 + ; CHECK-NEXT: sts 7, r13 + ; CHECK-NEXT: sts 6, r12 + ; CHECK-NEXT: sts 5, r11 + ; CHECK-NEXT: sts 4, r10 + store volatile i64 %b, i64* inttoptr (i64 4 to i64*) + ret void +} + +; This is exactly enough to hit the limit of what can be passed +; completely in registers. +; CHECK-LABEL: ret_void_args_i64_i64_i16 +define void @ret_void_args_i64_i64_i16(i64 %a, i64 %b, i16 %c) { + ; CHECK: sts 5, r9 + ; CHECK-NEXT: sts 4, r8 + store volatile i16 %c, i16* inttoptr (i64 4 to i16*) + ret void +} |