[llvm] [SROA] Prevent load atomic vector from being generated (PR #112432)

[Shilei Tian via llvm-commits]

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@@ -0,0 +1,19 @@
+; RUN: opt < %s -passes='sroa' -S 2>&1 | FileCheck %s --check-prefix=ERR
+; RUN: opt < %s -passes='sroa' -S | FileCheck %s
+
+define float @atomic_vector() {
+; ERR-NOT: atomic load operand must have integer, pointer, or floating point type!
+; ERR-NOT:   <1 x float>  {{%.*}} = load atomic volatile <1 x float>, ptr {{%.*}} acquire, align 4
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shiltian wrote:

It might not be necessary to check the error. It is sufficient to just check IR sequence. You will probably want to auto generate the check lines as well, which could make others life much easier in the future.

https://github.com/llvm/llvm-project/pull/112432