From: Dan Gohman <dan433584@gmail.com>
Date: Tue, 7 Jul 2015 22:38:06 +0000 (+0000)
Subject: [WebAssembly] Set the scheduling preference.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8ef6f1e24baa4fd9f2ff1ae04799a6d8b5a6f320;p=oota-llvm.git

[WebAssembly] Set the scheduling preference.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241637 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
index 4eec02efbd9..4184eb6dc5a 100644
--- a/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ b/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -38,6 +38,8 @@ WebAssemblyTargetLowering::WebAssemblyTargetLowering(
   // WebAssembly does not produce floating-point exceptions on normal floating
   // point operations.
   setHasFloatingPointExceptions(false);
+  // We don't know the microarchitecture here, so just reduce register pressure.
+  setSchedulingPreference(Sched::RegPressure);
 }
 
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