File: 2014-02-05-OpaqueConstants.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (19 lines) | stat: -rw-r--r-- 559 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
; Test that opaque constants are not creating an infinite DAGCombine loop
; RUN: llc < %s
; XFAIL: target=r600{{.*}}

@a = common global ptr null, align 8
@c = common global i32 0, align 4
@b = common global ptr null, align 8

; Function Attrs: nounwind ssp uwtable
define void @fn() {
  store ptr inttoptr (i64 68719476735 to ptr), ptr @a, align 8
  %1 = load i32, ptr @c, align 4
  %2 = sext i32 %1 to i64
  %3 = lshr i64 %2, 12
  %4 = and i64 %3, 68719476735
  %5 = getelementptr inbounds i32, ptr null, i64 %4
  store ptr %5, ptr @b, align 8
  ret void
}