xref: /llvm-project/llvm/test/CodeGen/SPARC/reserved-arg-regs.ll (revision c2f9885a8aa3a820eefdacccf3fcc6b9d87e3284)
1;; Test reserving argument registers.
2; RUN: not llc < %s -mtriple=sparc-linux-gnu -mattr=+reserve-o0 2>&1 | FileCheck %s --check-prefixes=CHECK-RESERVED-O0
3; RUN: not llc < %s -mtriple=sparc64-linux-gnu -mattr=+reserve-o0 2>&1 | FileCheck %s --check-prefixes=CHECK-RESERVED-O0
4; RUN: not llc < %s -mtriple=sparc-linux-gnu -mattr=+reserve-i0 2>&1 | FileCheck %s --check-prefixes=CHECK-RESERVED-I0
5; RUN: not llc < %s -mtriple=sparc64-linux-gnu -mattr=+reserve-i0 2>&1 | FileCheck %s --check-prefixes=CHECK-RESERVED-I0
6
7; CHECK-RESERVED-O0: error:
8; CHECK-RESERVED-O0-SAME: SPARC doesn't support function calls if any of the argument registers is reserved.
9; CHECK-RESERVED-I0: error:
10; CHECK-RESERVED-I0-SAME: SPARC doesn't support function calls if any of the argument registers is reserved.
11define void @call_function() {
12  call void @foo()
13  ret void
14}
15declare void @foo()
16
17; CHECK-RESERVED-O0: error:
18; CHECK-RESERVED-O0-SAME: SPARC doesn't support function calls if any of the argument registers is reserved.
19; CHECK-RESERVED-I0: error:
20; CHECK-RESERVED-I0-SAME: SPARC doesn't support function calls if any of the argument registers is reserved.
21define void @call_function_with_arg(i8 %in) {
22  call void @bar(i8 %in)
23  ret void
24}
25declare void @bar(i8)
26