Auto merge of #142911 - mejrs:unsized, r=compiler-errors

Remove support for dynamic allocas

Followup to rust-lang/rust#141811

1 files changed, 0 insertions, 10 deletions

diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs
index d0aa7320b4b..9c3b866aa3c 100644
--- a/compiler/rustc_codegen_llvm/src/builder.rs
+++ b/compiler/rustc_codegen_llvm/src/builder.rs
@@ -538,16 +538,6 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
         }
     }
 
-    fn dynamic_alloca(&mut self, size: &'ll Value, align: Align) -> &'ll Value {
-        unsafe {
-            let alloca =
-                llvm::LLVMBuildArrayAlloca(self.llbuilder, self.cx().type_i8(), size, UNNAMED);
-            llvm::LLVMSetAlignment(alloca, align.bytes() as c_uint);
-            // Cast to default addrspace if necessary
-            llvm::LLVMBuildPointerCast(self.llbuilder, alloca, self.cx().type_ptr(), UNNAMED)
-        }
-    }
-
     fn load(&mut self, ty: &'ll Type, ptr: &'ll Value, align: Align) -> &'ll Value {
         unsafe {
             let load = llvm::LLVMBuildLoad2(self.llbuilder, ty, ptr, UNNAMED);