d1840a054d43341f98b8a37f490248818c11fee4 - clang

commit	d1840a054d43341f98b8a37f490248818c11fee4	[log] [tgz]
author	Bill Wendling <isanbard@gmail.com>	Tue Dec 18 22:54:03 2018 +0000
committer	Bill Wendling <isanbard@gmail.com>	Tue Dec 18 22:54:03 2018 +0000
tree	a6d4f0112ac3a4bb016c0b15577147fa4b815b19
parent	d4d7233447c39b5af77a7bf8f73b60fb53d5e9fd [diff]

Emit ASM input in a constant context

Summary:
Some ASM input constraints (e.g., "i" and "n") require immediate values. At O0,
very few code transformations are performed. So if we cannot resolve to an
immediate when emitting the ASM input we shouldn't delay its processing.

Reviewers: rsmith, efriedma

Reviewed By: efriedma

Subscribers: rehana, efriedma, craig.topper, jyknight, cfe-commits

Differential Revision: https://reviews.llvm.org/D55616

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@349561 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Basic/TargetInfo.cpp[diff]
lib/CodeGen/CGStmt.cpp[diff]
lib/Sema/SemaStmtAsm.cpp[diff]
test/CodeGen/builtin-constant-p.c[diff]

4 files changed

tree: a6d4f0112ac3a4bb016c0b15577147fa4b815b19