Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/CodeGen/SPARC/fail-alloca-align.ll

@@ -0,0 +1,23 @@
+;; Sparc backend can't currently handle variable allocas with
+;; alignment greater than the stack alignment.  This code ought to
+;; compile, but doesn't currently.
+
+;; RUN: not llc -march=sparc < %s 2>&1 | FileCheck %s
+;; RUN: not llc -march=sparcv9 < %s 2>&1 | FileCheck %s
+;; CHECK: ERROR: Function {{.*}} required stack re-alignment
+
+define void @variable_alloca_with_overalignment(i32 %num) {
+  %aligned = alloca i32, align 64
+  %var_size = alloca i8, i32 %num, align 4
+  call void @foo(i32* %aligned, i8* %var_size)
+  ret void
+}
+
+;; Same but with the alloca itself overaligned
+define void @variable_alloca_with_overalignment_2(i32 %num) {
+  %var_size = alloca i8, i32 %num, align 64
+  call void @foo(i32* null, i8* %var_size)
+  ret void
+}
+
+declare void @foo(i32*, i8*);