[llvm] [PowerPC][AIX] Support ByVals with greater alignment then pointer size (PR #93341)

[Sean Fertile via llvm-commits]

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@@ -0,0 +1,40 @@
+; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple powerpc-ibm-aix-xcoff -stop-after=machine-cp -mcpu=pwr7 \
+; RUN:  -mattr=-altivec -verify-machineinstrs < %s | \
+; RUN: FileCheck --check-prefix=32BIT %s
+
+; RUN: llc -mtriple powerpc64-ibm-aix-xcoff -stop-after=machine-cp -mcpu=pwr7 \
+; RUN:  -mattr=-altivec -verify-machineinstrs < %s | \
+; RUN: FileCheck --check-prefix=64BIT %s
+
+%struct.vec_struct = type { <4 x i32> }
+
+; Function Attrs: norecurse nounwind readonly
+define i32 @vec_struct_test(i32 %i, %struct.vec_struct* nocapture readonly byval(%struct.vec_struct) align 16 %vs) {
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mandlebug wrote:

Shouldn't the type be `ptr` instead of `%struct.vec_struct*`?

https://github.com/llvm/llvm-project/pull/93341