aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Analysis
diff options
context:
space:
mode:
authorDan Gohman <gohman@apple.com>2009-06-18 16:24:47 +0000
committerDan Gohman <gohman@apple.com>2009-06-18 16:24:47 +0000
commit1c0aa2c3e902ee04948388b1f6de89b9f506bf89 (patch)
tree2addec29a7e6acc41c699ccec5e3607377654ad8 /lib/Analysis
parent49bda920fdcc8193af07e80a7dbcba065de257fa (diff)
downloadexternal_llvm-1c0aa2c3e902ee04948388b1f6de89b9f506bf89.zip
external_llvm-1c0aa2c3e902ee04948388b1f6de89b9f506bf89.tar.gz
external_llvm-1c0aa2c3e902ee04948388b1f6de89b9f506bf89.tar.bz2
Update a comment to reflect the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73704 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis')
-rw-r--r--lib/Analysis/ScalarEvolution.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 50fb557..9c6941f 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -778,8 +778,7 @@ SCEVHandle ScalarEvolution::getTruncateExpr(const SCEVHandle &Op,
if (const SCEVZeroExtendExpr *SZ = dyn_cast<SCEVZeroExtendExpr>(Op))
return getTruncateOrZeroExtend(SZ->getOperand(), Ty);
- // If the input value is a chrec scev made out of constants, truncate
- // all of the constants.
+ // If the input value is a chrec scev, truncate the chrec's operands.
if (const SCEVAddRecExpr *AddRec = dyn_cast<SCEVAddRecExpr>(Op)) {
SmallVector<SCEVHandle, 4> Operands;
for (unsigned i = 0, e = AddRec->getNumOperands(); i != e; ++i)