remove the extra specification for llvm versions < 20

zmodem · zmodem · commit eb7d95bafdf2 · 2024-11-07T20:59:50.000+01:00
diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
@@ -154,6 +154,11 @@ pub(crate) unsafe fn create_module<'ll>(
             // See https://github.com/llvm/llvm-project/pull/106951
             target_data_layout = target_data_layout.replace("-i128:128", "");
         }
+        if sess.target.arch.starts_with("mips64") {
+            // LLVM 20 updates the mips64 layout to correctly align 128 bit integers to 128 bit.
+            // See https://github.com/llvm/llvm-project/pull/112084
+            target_data_layout = target_data_layout.replace("-i128:128", "");
+        }
     }
 
     // Ensure the data-layout values hardcoded remain the defaults.

Original file line number	Diff line number	Diff line change
`@@ -154,6 +154,11 @@ pub(crate) unsafe fn create_module<'ll>(`
`154`	`154`	`// See https://github.com/llvm/llvm-project/pull/106951`
`155`	`155`	`target_data_layout = target_data_layout.replace("-i128:128", "");`
`156`	`156`	`}`
	`157`	`+ if sess.target.arch.starts_with("mips64") {`
	`158`	`+ // LLVM 20 updates the mips64 layout to correctly align 128 bit integers to 128 bit.`
	`159`	`+ // See https://github.com/llvm/llvm-project/pull/112084`
	`160`	`+ target_data_layout = target_data_layout.replace("-i128:128", "");`
	`161`	`+ }`
`157`	`162`	`}`
`158`	`163`
`159`	`164`	`// Ensure the data-layout values hardcoded remain the defaults.`