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author | Venkatraman Govindaraju <venkatra@cs.wisc.edu> | 2013-05-29 04:46:31 +0000 |
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committer | Venkatraman Govindaraju <venkatra@cs.wisc.edu> | 2013-05-29 04:46:31 +0000 |
commit | 530086925695f074b0e1e38a0d88ee6a4c91c54c (patch) | |
tree | 3f0208636976c50c5a15795252265ff6a59225e6 /test/CodeGen/SPARC | |
parent | 0cf4adbcef584cb56254e253b47315b4c3d073ec (diff) | |
download | llvm-530086925695f074b0e1e38a0d88ee6a4c91c54c.tar.gz llvm-530086925695f074b0e1e38a0d88ee6a4c91c54c.tar.bz2 llvm-530086925695f074b0e1e38a0d88ee6a4c91c54c.tar.xz |
[Sparc] Add support for leaf functions in sparc backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182822 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/SPARC')
-rw-r--r-- | test/CodeGen/SPARC/leafproc.ll | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/CodeGen/SPARC/leafproc.ll b/test/CodeGen/SPARC/leafproc.ll new file mode 100644 index 0000000000..5abdfba3e7 --- /dev/null +++ b/test/CodeGen/SPARC/leafproc.ll @@ -0,0 +1,57 @@ +; RUN: llc -march=sparc -disable-sparc-leaf-proc=0 < %s | FileCheck %s + +; CHECK: func_nobody: +; CHECK: jmp %o7+8 +; CHECK-NEXT: nop +define void @func_nobody() { +entry: + ret void +} + + +; CHECK: return_int_const: +; CHECK: jmp %o7+8 +; CHECK-NEXT: or %g0, 1729, %o0 +define i32 @return_int_const() { +entry: + ret i32 1729 +} + +; CHECK: 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: 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: 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 +} |