[PATCH] D11696: [x86] machine combiner reassociation: mark EFLAGS operand as 'dead'

Sanjay Patel spatel at rotateright.com
Mon Aug 3 15:06:28 PDT 2015


spatel added inline comments.

================
Comment at: test/CodeGen/X86/machine-combiner-int.ll:2
@@ -2,1 +1,3 @@
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -print-machineinstrs -o /dev/null 2>&1 | FileCheck %s --check-prefix=DEAD
 
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arphaman wrote:
> Is there a specific reason you're using '-print-machineinstrs' instead of '-stop-after machine-combiner' here?
Nope - just wasn't aware of that option. I'll update the patch. Thanks for the suggestion!


http://reviews.llvm.org/D11696







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