[llvm] [RISCV][GISel] Support ret fp16 vector for zvfhmin (PR #160719)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-llvm-globalisel

@llvm/pr-subscribers-backend-risc-v

Author: Jianjian Guan (jacquesguan)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/160719.diff


2 Files Affected:

- (modified) llvm/lib/Target/RISCV/GISel/RISCVCallLowering.cpp (+1-1) 
- (modified) llvm/test/CodeGen/RISCV/GlobalISel/irtranslator/vec-ret.ll (+2-2) 


``````````diff
diff --git a/llvm/lib/Target/RISCV/GISel/RISCVCallLowering.cpp b/llvm/lib/Target/RISCV/GISel/RISCVCallLowering.cpp
index 34026ed5d47a4..2f48c7aaae1e7 100644
--- a/llvm/lib/Target/RISCV/GISel/RISCVCallLowering.cpp
+++ b/llvm/lib/Target/RISCV/GISel/RISCVCallLowering.cpp
@@ -334,7 +334,7 @@ static bool isLegalElementTypeForRVV(Type *EltTy,
   if (EltTy->isIntegerTy(64))
     return Subtarget.hasVInstructionsI64();
   if (EltTy->isHalfTy())
-    return Subtarget.hasVInstructionsF16();
+    return Subtarget.hasVInstructionsF16Minimal();
   if (EltTy->isBFloatTy())
     return Subtarget.hasVInstructionsBF16Minimal();
   if (EltTy->isFloatTy())
diff --git a/llvm/test/CodeGen/RISCV/GlobalISel/irtranslator/vec-ret.ll b/llvm/test/CodeGen/RISCV/GlobalISel/irtranslator/vec-ret.ll
index 4b1359e85bc59..73b0d3a173b72 100644
--- a/llvm/test/CodeGen/RISCV/GlobalISel/irtranslator/vec-ret.ll
+++ b/llvm/test/CodeGen/RISCV/GlobalISel/irtranslator/vec-ret.ll
@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
-; RUN: llc -mtriple=riscv32 -mattr=+v,+zvfbfmin,+zvfh -global-isel -stop-after=irtranslator \
+; RUN: llc -mtriple=riscv32 -mattr=+v,+zvfbfmin,+zvfhmin -global-isel -stop-after=irtranslator \
 ; RUN:   -verify-machineinstrs < %s | FileCheck -check-prefixes=RV32 %s
-; RUN: llc -mtriple=riscv64 -mattr=+v,+zvfbfmin,+zvfh -global-isel -stop-after=irtranslator \
+; RUN: llc -mtriple=riscv64 -mattr=+v,+zvfbfmin,+zvfhmin -global-isel -stop-after=irtranslator \
 ; RUN:   -verify-machineinstrs < %s | FileCheck -check-prefixes=RV64 %s
 
 ; ==========================================================================

``````````

</details>


https://github.com/llvm/llvm-project/pull/160719