diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/BPF/BPFISelDAGToDAG.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/CodeGen/BPF/mem_offset.ll | 17 |
2 files changed, 19 insertions, 2 deletions
diff --git a/llvm/lib/Target/BPF/BPFISelDAGToDAG.cpp b/llvm/lib/Target/BPF/BPFISelDAGToDAG.cpp index 8772be9bba9..279cdb1a89b 100644 --- a/llvm/lib/Target/BPF/BPFISelDAGToDAG.cpp +++ b/llvm/lib/Target/BPF/BPFISelDAGToDAG.cpp @@ -71,7 +71,7 @@ bool BPFDAGToDAGISel::SelectAddr(SDValue Addr, SDValue &Base, SDValue &Offset) { // Addresses of the form Addr+const or Addr|const if (CurDAG->isBaseWithConstantOffset(Addr)) { ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1)); - if (isInt<32>(CN->getSExtValue())) { + if (isInt<16>(CN->getSExtValue())) { // If the first operand is a FI, get the TargetFI Node if (FrameIndexSDNode *FIN = @@ -99,7 +99,7 @@ bool BPFDAGToDAGISel::SelectFIAddr(SDValue Addr, SDValue &Base, SDValue &Offset) // Addresses of the form Addr+const or Addr|const ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1)); - if (isInt<32>(CN->getSExtValue())) { + if (isInt<16>(CN->getSExtValue())) { // If the first operand is a FI, get the TargetFI Node if (FrameIndexSDNode *FIN = diff --git a/llvm/test/CodeGen/BPF/mem_offset.ll b/llvm/test/CodeGen/BPF/mem_offset.ll new file mode 100644 index 00000000000..2b86e44ae59 --- /dev/null +++ b/llvm/test/CodeGen/BPF/mem_offset.ll @@ -0,0 +1,17 @@ +; RUN: llc -march=bpfel -show-mc-encoding < %s | FileCheck %s + +; Function Attrs: nounwind +define i32 @bpf_prog1(i8* nocapture readnone) local_unnamed_addr #0 { +; CHECK: r1 += -1879113726 # encoding: [0x07,0x01,0x00,0x00,0x02,0x00,0xff,0x8f] +; CHECK: r0 = *(u64 *)(r1 + 0) # encoding: [0x79,0x10,0x00,0x00,0x00,0x00,0x00,0x00] + %2 = alloca i64, align 8 + %3 = bitcast i64* %2 to i8* + store volatile i64 590618314553, i64* %2, align 8 + %4 = load volatile i64, i64* %2, align 8 + %5 = add i64 %4, -1879113726 + %6 = inttoptr i64 %5 to i64* + %7 = load i64, i64* %6, align 8 + %8 = trunc i64 %7 to i32 + ret i32 %8 +} + |
