maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Add test case for r227805 

llvm-svn: 227970
This commit is contained in:
Tobias Grosser 2015-02-03 15:11:02 +00:00
parent 077774b820
commit eb29c68df2
1 changed files with 29 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
polly/test/Isl/CodeGen/pointer-type-expressions-2.ll Normal file
View File

@ -0,0 +1,29 @@
; RUN: opt %loadPolly -polly-ast -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-codegen-isl -S < %s | FileCheck %s -check-prefix=CODEGEN
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @foo(i8* %start, i8* %end) {
entry:
%A = alloca i32
br label %body
body:
%ptr = phi i8* [ %start, %entry ], [ %ptr2, %body ]
%ptr2 = getelementptr inbounds i8* %ptr, i64 1
%cmp = icmp eq i8* %ptr2, %end
store i32 42, i32* %A
br i1 %cmp, label %exit, label %body
exit:
ret void
}
; CHECK: for (int c0 = 0; c0 < -start + end; c0 += 1)
; CHECK: Stmt_body(c0);
; Check that we transform this into a pointer difference.
; CODEGEN: %0 = ptrtoint i8* %end to i64
; CODEGEN: %1 = ptrtoint i8* %start to i64
; CODEGEN: %2 = sub i64 %0, %1