[llvm] 0533b6e - [RISCV] Remove a use of getMinVLen in favor of getRealMinVLen

[Philip Reames via llvm-commits]

Author: Philip Reames
Date: 2022-06-27T12:52:24-07:00
New Revision: 0533b6e2f605f165ecfdf4ba4736e3ccf0075247

URL: https://github.com/llvm/llvm-project/commit/0533b6e2f605f165ecfdf4ba4736e3ccf0075247
DIFF: https://github.com/llvm/llvm-project/commit/0533b6e2f605f165ecfdf4ba4736e3ccf0075247.diff

LOG: [RISCV] Remove a use of getMinVLen in favor of getRealMinVLen

The later is possibly greater than the former, and thus the assert was overly strong when a wider VLEN was set at the command line.

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVISelLowering.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 04d3e9ff31b1..0205805fbb7b 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -3185,7 +3185,7 @@ SDValue RISCVTargetLowering::LowerOperation(SDValue Op,
     // minimum size. e.g. <vscale x 2 x i32>. VLENB is in bytes so we calculate
     // vscale as VLENB / 8.
     static_assert(RISCV::RVVBitsPerBlock == 64, "Unexpected bits per block!");
-    if (Subtarget.getMinVLen() < RISCV::RVVBitsPerBlock)
+    if (Subtarget.getRealMinVLen() < RISCV::RVVBitsPerBlock)
       report_fatal_error("Support for VLEN==32 is incomplete.");
     // We assume VLENB is a multiple of 8. We manually choose the best shift
     // here because SimplifyDemandedBits isn't always able to simplify it.