From 78350f6cef1290131aab23321ee4612ea04b2300 Mon Sep 17 00:00:00 2001
From: Francesco Petrogalli <francesco.petrogalli@arm.com>
Date: Fri, 27 Mar 2020 21:41:03 +0000
Subject: [PATCH] [llvm][Type] Return fixed size for scalar types. [NFC]

Summary:
It is safe to assume that the TypeSize associated to scalar types has
a fixed size.

This avoids an implicit cast of TypeSize to integer inside
`Type::getScalarSizeInBits()`, as such implicit cast is deprecated.

Reviewers: efriedma, sdesmalen

Reviewed By: efriedma

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D76892
---
 lib/IR/Type.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/IR/Type.cpp b/lib/IR/Type.cpp
index e91bc8aa7e7..b288ab00fde 100644
--- a/lib/IR/Type.cpp
+++ b/lib/IR/Type.cpp
@@ -132,7 +132,8 @@ TypeSize Type::getPrimitiveSizeInBits() const {
 }
 
 unsigned Type::getScalarSizeInBits() const {
-  return getScalarType()->getPrimitiveSizeInBits();
+  // It is safe to assume that the scalar types have a fixed size.
+  return getScalarType()->getPrimitiveSizeInBits().getFixedSize();
 }
 
 int Type::getFPMantissaWidth() const {