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-rw-r--r--test/Transforms/PGOProfile/diag_mismatch.ll12
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diff --git a/test/Transforms/PGOProfile/diag_mismatch.ll b/test/Transforms/PGOProfile/diag_mismatch.ll
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index 000000000000..a2d0b20620f0
--- /dev/null
+++ b/test/Transforms/PGOProfile/diag_mismatch.ll
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+; RUN: llvm-profdata merge %S/Inputs/diag.proftext -o %t.profdata
+; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%t.profdata -S 2>&1 | FileCheck %s
+
+; CHECK: Function control flow change detected (hash mismatch) foo
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define i32 @foo() {
+entry:
+ ret i32 0
+}