From af1aacd91a3194dc3894cc84ea0982f364ebb762 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Thu, 1 Mar 2007 19:32:01 +0000
Subject: [PATCH] Use a simpler constructor when constructing ConstantInt.
 Also, replace verbose code to sext/trunc or zext/trunc and APInt with new
 methods on that class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34794 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/AsmParser/llvmAsmParser.y | 25 +++++++++----------------
 1 file changed, 9 insertions(+), 16 deletions(-)

diff --git a/lib/AsmParser/llvmAsmParser.y b/lib/AsmParser/llvmAsmParser.y
index e70f25a7cf5..1af8fda49c6 100644
--- a/lib/AsmParser/llvmAsmParser.y
+++ b/lib/AsmParser/llvmAsmParser.y
@@ -1713,22 +1713,17 @@ ConstVal: Types '[' ConstVector ']' { // Nonempty unsized arr
       GEN_ERROR("Constant value doesn't fit in type");
     APInt Val(64, $2);
     uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
-    if (BitWidth > 64)
-      Val.sext(BitWidth);
-    else if (BitWidth < 64)
-      Val.trunc(BitWidth);
-    $$ = ConstantInt::get($1, Val);
+    Val.sextOrTrunc(BitWidth);
+    $$ = ConstantInt::get(Val);
     CHECK_FOR_ERROR
   }
   | IntType ESAPINTVAL {      // arbitrary precision integer constants
     uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
     if ($2->getBitWidth() > BitWidth) {
       GEN_ERROR("Constant value does not fit in type");
-    } else if ($2->getBitWidth() < BitWidth)
-      $2->sext(BitWidth);
-    else if ($2->getBitWidth() > BitWidth)
-      $2->trunc(BitWidth);
-    $$ = ConstantInt::get($1, *$2);
+    }
+    $2->sextOrTrunc(BitWidth);
+    $$ = ConstantInt::get(*$2);
     delete $2;
     CHECK_FOR_ERROR
   }
@@ -1737,18 +1732,16 @@ ConstVal: Types '[' ConstVector ']' { // Nonempty unsized arr
       GEN_ERROR("Constant value doesn't fit in type");
     uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
     APInt Val(BitWidth, $2);
-    $$ = ConstantInt::get($1, Val);
+    $$ = ConstantInt::get(Val);
     CHECK_FOR_ERROR
   }
   | IntType EUAPINTVAL {      // arbitrary precision integer constants
     uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
     if ($2->getBitWidth() > BitWidth) {
       GEN_ERROR("Constant value does not fit in type");
-    } else if ($2->getBitWidth() < BitWidth)
-      $2->zext(BitWidth);
-    else if ($2->getBitWidth() > BitWidth)
-      $2->trunc(BitWidth);
-    $$ = ConstantInt::get($1, *$2);
+    } 
+    $2->zextOrTrunc(BitWidth);
+    $$ = ConstantInt::get(*$2);
     delete $2;
     CHECK_FOR_ERROR
   }
-- 
2.34.1