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| author | Venkatraman Govindaraju <venkatra@cs.wisc.edu> | 2013-06-02 21:48:17 +0000 |
|---|---|---|
| committer | Venkatraman Govindaraju <venkatra@cs.wisc.edu> | 2013-06-02 21:48:17 +0000 |
| commit | 65ca7aa57d5e9b391f02a5686e7622deaac146f9 (patch) | |
| tree | 9517c1fe25c819c191102a54d662f3be194bc7f2 /test/CodeGen/SPARC/2011-01-19-DelaySlot.ll | |
| parent | 0a972fa1ef70c0523091732d41f35f660f97e107 (diff) | |
| download | external_llvm-65ca7aa57d5e9b391f02a5686e7622deaac146f9.zip external_llvm-65ca7aa57d5e9b391f02a5686e7622deaac146f9.tar.gz external_llvm-65ca7aa57d5e9b391f02a5686e7622deaac146f9.tar.bz2 | |
Sparc: Combine add/or/sethi instruction with restore if possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183088 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/SPARC/2011-01-19-DelaySlot.ll')
| -rw-r--r-- | test/CodeGen/SPARC/2011-01-19-DelaySlot.ll | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/test/CodeGen/SPARC/2011-01-19-DelaySlot.ll b/test/CodeGen/SPARC/2011-01-19-DelaySlot.ll index 4fd2e7b..89981a8 100644 --- a/test/CodeGen/SPARC/2011-01-19-DelaySlot.ll +++ b/test/CodeGen/SPARC/2011-01-19-DelaySlot.ll @@ -105,3 +105,79 @@ entry: declare i32 @func(i32*) + + +define i32 @restore_add(i32 %a, i32 %b) { +entry: +;CHECK: restore_add: +;CHECK: jmp %i7+8 +;CHECK: restore %o0, %i1, %o0 + %0 = tail call i32 @bar(i32 %a) nounwind + %1 = add nsw i32 %0, %b + ret i32 %1 +} + +define i32 @restore_add_imm(i32 %a) { +entry: +;CHECK: restore_add_imm: +;CHECK: jmp %i7+8 +;CHECK: restore %o0, 20, %o0 + %0 = tail call i32 @bar(i32 %a) nounwind + %1 = add nsw i32 %0, 20 + ret i32 %1 +} + +define i32 @restore_or(i32 %a) { +entry: +;CHECK: restore_or: +;CHECK: jmp %i7+8 +;CHECK: restore %g0, %o0, %o0 + %0 = tail call i32 @bar(i32 %a) nounwind + ret i32 %0 +} + +define i32 @restore_or_imm(i32 %a) { +entry: +;CHECK: restore_or_imm: +;CHECK: or %o0, 20, %i0 +;CHECK: jmp %i7+8 +;CHECK: restore %g0, %g0, %g0 + %0 = tail call i32 @bar(i32 %a) nounwind + %1 = or i32 %0, 20 + ret i32 %1 +} + + +define i32 @restore_sethi(i32 %a) { +entry: +;CHECK: restore_sethi +;CHECK-NOT: sethi 3 +;CHECK: restore %g0, 3072, %o0 + %0 = tail call i32 @bar(i32 %a) nounwind + %1 = icmp ne i32 %0, 0 + %2 = select i1 %1, i32 3072, i32 0 + ret i32 %2 +} + +define i32 @restore_sethi_3bit(i32 %a) { +entry: +;CHECK: restore_sethi +;CHECK: sethi 6 +;CHECK-NOT: restore %g0, 6144, %o0 + %0 = tail call i32 @bar(i32 %a) nounwind + %1 = icmp ne i32 %0, 0 + %2 = select i1 %1, i32 6144, i32 0 + ret i32 %2 +} + +define i32 @restore_sethi_large(i32 %a) { +entry: +;CHECK: restore_sethi +;CHECK: sethi 4000, %i0 +;CHECK: restore %g0, %g0, %g0 + %0 = tail call i32 @bar(i32 %a) nounwind + %1 = icmp ne i32 %0, 0 + %2 = select i1 %1, i32 4096000, i32 0 + ret i32 %2 +} + |