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authorLaytan Laats <laytanlaats@hotmail.com>2024-06-09 03:33:23 +0200
committerLaytan Laats <laytanlaats@hotmail.com>2024-06-09 03:33:23 +0200
commit3628154849ff8908d5acc765d887a399ce4324c2 (patch)
treeac52a8b63f6b4617184e3ff12ac60e34de1eca48 /src/llvm_backend_general.cpp
parent96c06185dd7433402cc9b9acd60880d831c5f71f (diff)
fix swizzle crash due to wrong alignment
Fixes #3691
Diffstat (limited to 'src/llvm_backend_general.cpp')
-rw-r--r--src/llvm_backend_general.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/llvm_backend_general.cpp b/src/llvm_backend_general.cpp
index e8183027f..ea98fc60a 100644
--- a/src/llvm_backend_general.cpp
+++ b/src/llvm_backend_general.cpp
@@ -1383,8 +1383,6 @@ gb_internal lbValue lb_addr_load(lbProcedure *p, lbAddr const &addr) {
LLVMTypeRef vector_type = nullptr;
if (lb_try_vector_cast(p->module, addr.addr, &vector_type)) {
- LLVMSetAlignment(res.addr.value, cast(unsigned)lb_alignof(vector_type));
-
LLVMValueRef vp = LLVMBuildPointerCast(p->builder, addr.addr.value, LLVMPointerType(vector_type, 0), "");
LLVMValueRef v = LLVMBuildLoad2(p->builder, vector_type, vp, "");
LLVMValueRef scalars[4] = {};
@@ -1394,6 +1392,8 @@ gb_internal lbValue lb_addr_load(lbProcedure *p, lbAddr const &addr) {
LLVMValueRef mask = LLVMConstVector(scalars, addr.swizzle.count);
LLVMValueRef sv = llvm_basic_shuffle(p, v, mask);
+ LLVMSetAlignment(res.addr.value, cast(unsigned)lb_alignof(LLVMTypeOf(sv)));
+
LLVMValueRef dst = LLVMBuildPointerCast(p->builder, ptr.value, LLVMPointerType(LLVMTypeOf(sv), 0), "");
LLVMBuildStore(p->builder, sv, dst);
} else {