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| author | Anshuman Dasgupta <adasgupt@codeaurora.org> | 2013-02-21 19:39:40 +0000 |
|---|---|---|
| committer | Anshuman Dasgupta <adasgupt@codeaurora.org> | 2013-02-21 19:39:40 +0000 |
| commit | 6585d3b64b04b788faad79ba6cf4e592ebf4658d (patch) | |
| tree | d3cf41c6c6284947361db86e7dfd365bd5e07687 /test/CodeGen/Hexagon/ctlz-cttz-ctpop.ll | |
| parent | 601158a18e325879b224bd1979d824407ed98bc7 (diff) | |
Hexagon: Expand cttz, ctlz, and ctpop for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175783 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Hexagon/ctlz-cttz-ctpop.ll')
| -rw-r--r-- | test/CodeGen/Hexagon/ctlz-cttz-ctpop.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/Hexagon/ctlz-cttz-ctpop.ll b/test/CodeGen/Hexagon/ctlz-cttz-ctpop.ll new file mode 100644 index 0000000000..e942f8d0c5 --- /dev/null +++ b/test/CodeGen/Hexagon/ctlz-cttz-ctpop.ll @@ -0,0 +1,34 @@ +; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s + +; CHECK: r{{[0-9]+}}:{{[0-9]+}} |= lsr(r{{[0-9]+}}:{{[0-9]+}}, #4) +; CHECK: r{{[0-9]+}}:{{[0-9]+}} &= lsr(r{{[0-9]+}}:{{[0-9]+}}, #2) +; CHECK: r{{[0-9]+}} += lsr(r{{[0-9]+}}, #4) + +define i32 @foo(i64 %a, i32 %b) nounwind { +entry: + %tmp0 = tail call i64 @llvm.ctlz.i64( i64 %a, i1 true ) + %tmp1 = tail call i64 @llvm.cttz.i64( i64 %a, i1 true ) + %tmp2 = tail call i32 @llvm.ctlz.i32( i32 %b, i1 true ) + %tmp3 = tail call i32 @llvm.cttz.i32( i32 %b, i1 true ) + %tmp4 = tail call i64 @llvm.ctpop.i64( i64 %a ) + %tmp5 = tail call i32 @llvm.ctpop.i32( i32 %b ) + + + %tmp6 = trunc i64 %tmp0 to i32 + %tmp7 = trunc i64 %tmp1 to i32 + %tmp8 = trunc i64 %tmp4 to i32 + %tmp9 = add i32 %tmp6, %tmp7 + %tmp10 = add i32 %tmp9, %tmp8 + %tmp11 = add i32 %tmp10, %tmp2 + %tmp12 = add i32 %tmp11, %tmp3 + %tmp13 = add i32 %tmp12, %tmp5 + + ret i32 %tmp13 +} + +declare i64 @llvm.ctlz.i64(i64, i1) nounwind readnone +declare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone +declare i64 @llvm.cttz.i64(i64, i1) nounwind readnone +declare i32 @llvm.cttz.i32(i32, i1) nounwind readnone +declare i64 @llvm.ctpop.i64(i64) nounwind readnone +declare i32 @llvm.ctpop.i32(i32) nounwind readnone |