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| author | Reed Kotler <rkotler@mips.com> | 2012-10-26 04:46:26 +0000 |
|---|---|---|
| committer | Reed Kotler <rkotler@mips.com> | 2012-10-26 04:46:26 +0000 |
| commit | a81be80b0eabfc8b5e590a10471c66dadf6ded6f (patch) | |
| tree | 8514128901c58a6b0de8569dd31ed430a3c477e8 /test | |
| parent | 4734fe19f6d240a911918a330a786751fe1030d9 (diff) | |
| download | external_llvm-a81be80b0eabfc8b5e590a10471c66dadf6ded6f.zip external_llvm-a81be80b0eabfc8b5e590a10471c66dadf6ded6f.tar.gz external_llvm-a81be80b0eabfc8b5e590a10471c66dadf6ded6f.tar.bz2 | |
Implement carry for subtract/add for mips16
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166755 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/Mips/llcarry.ll | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/llcarry.ll b/test/CodeGen/Mips/llcarry.ll new file mode 100644 index 0000000..7763dae --- /dev/null +++ b/test/CodeGen/Mips/llcarry.ll @@ -0,0 +1,51 @@ +; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16 + +@i = global i64 4294967295, align 8 +@j = global i64 15, align 8 +@ii = global i64 4294967295, align 8 +@k = common global i64 0, align 8 +@l = common global i64 0, align 8 +@m = common global i64 0, align 8 + +define void @test1() nounwind { +entry: + %0 = load i64* @i, align 8 + %1 = load i64* @j, align 8 + %add = add nsw i64 %1, %0 + store i64 %add, i64* @k, align 8 +; 16: addu ${{[0-9]+}}, ${{[0-9]+}}, ${{[0-9]+}} +; 16: sltu ${{[0-9]+}}, ${{[0-9]+}} +; 16: move ${{[0-9]+}}, $t8 +; 16: addu ${{[0-9]+}}, ${{[0-9]+}}, ${{[0-9]+}} +; 16: addu ${{[0-9]+}}, ${{[0-9]+}}, ${{[0-9]+}} + ret void +} + +define void @test2() nounwind { +entry: + %0 = load i64* @i, align 8 + %1 = load i64* @j, align 8 + %sub = sub nsw i64 %0, %1 +; 16: subu ${{[0-9]+}}, ${{[0-9]+}}, ${{[0-9]+}} +; 16: sltu ${{[0-9]+}}, ${{[0-9]+}} +; 16: move ${{[0-9]+}}, $t8 +; 16: addu ${{[0-9]+}}, ${{[0-9]+}}, ${{[0-9]+}} +; 16: subu ${{[0-9]+}}, ${{[0-9]+}}, ${{[0-9]+}} + store i64 %sub, i64* @l, align 8 + ret void +} + +define void @test3() nounwind { +entry: + %0 = load i64* @ii, align 8 + %add = add nsw i64 %0, 15 +; 16: addiu ${{[0-9]+}}, 15 +; 16: sltu ${{[0-9]+}}, ${{[0-9]+}} +; 16: move ${{[0-9]+}}, $t8 +; 16: addu ${{[0-9]+}}, ${{[0-9]+}}, ${{[0-9]+}} +; 16: addu ${{[0-9]+}}, ${{[0-9]+}}, ${{[0-9]+}} + store i64 %add, i64* @m, align 8 + ret void +} + + |