From 28f3d5cb3e0cd978e35a5d0d691036f0e821a147 Mon Sep 17 00:00:00 2001
From: Mandeep Singh Grang <mgrang@codeaurora.org>
Date: Tue, 14 Nov 2017 18:11:08 +0000
Subject: [XRay] Stable sort XRayRecord to remove non-deterministic ordering

Summary:
This fixes failure in tools/llvm-xray/X86/graph-zero-latency-calls.yaml
uncovered by D39245.

Reviewers: dberris

Reviewed By: dberris

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D39943

llvm-svn: 318163
---
 llvm/lib/XRay/Trace.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib')

diff --git a/llvm/lib/XRay/Trace.cpp b/llvm/lib/XRay/Trace.cpp
index e90396959fb..d4ce6b2ffeb 100644
--- a/llvm/lib/XRay/Trace.cpp
+++ b/llvm/lib/XRay/Trace.cpp
@@ -606,7 +606,7 @@ Expected<Trace> llvm::xray::loadTraceFile(StringRef Filename, bool Sort) {
   }
 
   if (Sort)
-    std::sort(T.Records.begin(), T.Records.end(),
+    std::stable_sort(T.Records.begin(), T.Records.end(),
               [&](const XRayRecord &L, const XRayRecord &R) {
                 return L.TSC < R.TSC;
               });
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