diff options
Diffstat (limited to 'llvm/test/CodeGen/Hexagon/rdf-cover-use.ll')
| -rw-r--r-- | llvm/test/CodeGen/Hexagon/rdf-cover-use.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/rdf-cover-use.ll b/llvm/test/CodeGen/Hexagon/rdf-cover-use.ll new file mode 100644 index 00000000000..4f3de0868aa --- /dev/null +++ b/llvm/test/CodeGen/Hexagon/rdf-cover-use.ll @@ -0,0 +1,38 @@ +; RUN: llc -march=hexagon -verify-machineinstrs < %s | FileCheck %s + +; Check for sane output. +; CHECK: vmpyweh + +target triple = "hexagon" + +declare i32 @llvm.hexagon.S2.clb(i32) #0 +declare i32 @llvm.hexagon.S2.asl.r.r(i32, i32) #0 +declare i32 @llvm.hexagon.S2.vrndpackwh(i64) #0 +declare i64 @llvm.hexagon.M2.mmpyl.s1(i64, i64) #0 + +define i64 @fred(i32 %a0, i32 %a1) local_unnamed_addr #1 { +b2: + br i1 undef, label %b15, label %b3 + +b3: ; preds = %b2 + %v4 = tail call i32 @llvm.hexagon.S2.clb(i32 %a1) #0 + %v5 = add nsw i32 %v4, -32 + %v6 = zext i32 %v5 to i64 + %v7 = shl nuw i64 %v6, 32 + %v8 = or i64 %v7, 0 + %v9 = tail call i32 @llvm.hexagon.S2.asl.r.r(i32 %a0, i32 0) + %v10 = tail call i32 @llvm.hexagon.S2.vrndpackwh(i64 %v8) + %v11 = sext i32 %v9 to i64 + %v12 = sext i32 %v10 to i64 + %v13 = tail call i64 @llvm.hexagon.M2.mmpyl.s1(i64 %v11, i64 %v12) + %v14 = and i64 %v13, 4294967295 + br label %b15 + +b15: ; preds = %b3, %b2 + %v16 = phi i64 [ %v14, %b3 ], [ 0, %b2 ] + %v17 = or i64 0, %v16 + ret i64 %v17 +} + +attributes #0 = { nounwind readnone } +attributes #1 = { nounwind "target-cpu"="hexagonv55" } |
