[clang] [llvm] [AIX][TOC] Add -mtocdata/-mno-tocdata options on AIX (PR #67999)

[Zaara Syeda via cfe-commits]

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@@ -0,0 +1,16 @@
+; RUN: not --crash llc -mtriple powerpc-ibm-aix-xcoff < %s 2>&1 | FileCheck %s --check-prefix CHECK-ERROR
+; RUN: not --crash llc -mtriple powerpc64-ibm-aix-xcoff < %s 2>&1 | FileCheck %s --check-prefix CHECK-ERROR
+
+ at a = global [5 x i16] zeroinitializer, align 2 #0
+
+; Function Attrs: noinline
+define i16 @foo() #1 {
+entry:
+  %0 = load i16, ptr @a, align 2
+  ret i16 %0
+}
+
+attributes #0 = { "toc-data" }
+attributes #1 = { noinline }
+
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syzaara wrote:

Thanks, I've added a function tocDataChecks which is called from emitGlobalVariable to handle this.

https://github.com/llvm/llvm-project/pull/67999