From e4f38a611f1ba669434d52e753ae2c729911eead Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Sat, 2 Aug 2025 21:17:38 +0200
Subject: [PATCH] llvm: switch to native f16 IR type for all hexagon targets

This was fixed in LLVM 21, in particular for targets older than v68.
---
 lib/compiler_rt/common.zig | 2 +-
 src/codegen/llvm.zig       | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/compiler_rt/common.zig b/lib/compiler_rt/common.zig
index 0db4b5c66c42957dc0025cf0146e4a8008799366..87747db273ea36edf069f4c232fbcb960bd0b451 100644
--- a/lib/compiler_rt/common.zig
+++ b/lib/compiler_rt/common.zig
@@ -123,6 +123,7 @@ pub fn F16T(comptime OtherType: type) type {
         .thumbeb,
         .aarch64,
         .aarch64_be,
+        .hexagon,
         .loongarch32,
         .loongarch64,
         .nvptx,
@@ -135,7 +136,6 @@ pub fn F16T(comptime OtherType: type) type {
         .spirv32,
         .spirv64,
         => f16,
-        .hexagon => if (builtin.target.cpu.has(.hexagon, .v68)) f16 else u16,
         .x86, .x86_64 => if (builtin.target.os.tag.isDarwin()) switch (OtherType) {
             // Starting with LLVM 16, Darwin uses different abi for f16
             // depending on the type of the other return/argument..???
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index bed0fab45a5804af71fc4142a770eef11b760952..b9e17d06e95d3632ca911029ceb16206a3f6c9fd 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -12852,8 +12852,6 @@ fn backendSupportsF16(target: *const std.Target) bool {
         // https://github.com/llvm/llvm-project/issues/97981
         .csky,
         // https://github.com/llvm/llvm-project/issues/97981
-        .hexagon,
-        // https://github.com/llvm/llvm-project/issues/97981
         .powerpc,
         .powerpcle,
         .powerpc64,
-- 
2.54.0