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diff --git a/test/CodeGen/X86/x86-64-sret-return-2.ll b/test/CodeGen/X86/x86-64-sret-return-2.ll
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+++ b/test/CodeGen/X86/x86-64-sret-return-2.ll
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+; RUN: llc -mtriple=x86_64-apple-darwin8 < %s | FileCheck %s
+; RUN: llc -mtriple=x86_64-pc-linux < %s | FileCheck %s
+
+; FIXME: x32 doesn't know how to select this. This isn't a regression, it never
+; worked.
+; RUNX: llc -mtriple=x86_64-pc-linux-gnux32 < %s | FileCheck -check-prefix=X32ABI %s
+
+; This used to crash due to topological sorting issues in selection DAG.
+define void @foo(i32* sret %agg.result, i32, i32, i32, i32, i32, void (i32)* %pred) {
+entry:
+ call void %pred(i32 undef)
+ ret void
+
+; CHECK-LABEL: foo:
+; CHECK: callq
+; CHECK: movq {{.*}}, %rax
+; CHECK: ret
+}