33 lines
961 B
LLVM
33 lines
961 B
LLVM
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; RUN: llc < %s -march=avr | FileCheck %s
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; CHECK-LABEL: ret_void_args_i64_i64_i32
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define void @ret_void_args_i64_i64_i32(i64 %a, i64 %b, i32 %c) {
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; We're goign to clobber PTRREG Y
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; CHECK: push r28
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; CHECK-NEXT: push r29
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; Load the stack pointer into Y.
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; CHECK-NEXT: in r28, 61
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; CHECK-NEXT: in r29, 62
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; Load the top two bytes from the 32-bit int.
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; CHECK-NEXT: ldd r24, Y+7
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; CHECK-NEXT: ldd r25, Y+8
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; Store the top two bytes of the 32-bit int to memory.
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; CHECK-NEXT: sts 7, r25
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; CHECK-NEXT: sts 6, r24
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; Load the bottom two bytes from the 32-bit int.
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; CHECK-NEXT: ldd r24, Y+5
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; CHECK-NEXT: ldd r25, Y+6
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; Store the bottom two bytes of the 32-bit int to memory.
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; CHECK-NEXT: sts 5, r25
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; CHECK-NEXT: sts 4, r24
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; Restore PTRREG Y
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; CHECK-NEXT: pop r29
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; CHECK-NEXT: pop r28
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store volatile i32 %c, i32* inttoptr (i64 4 to i32*)
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ret void
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}
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