File: alignment-2.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (22 lines) | stat: -rw-r--r-- 1,241 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; RUN: opt -global-merge -global-merge-max-offset=100 -S -o - %s | FileCheck %s

target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"

; This produces align 4, not the obvious align 1, to be consistent with what
; the AsmPrinter would do.
; CHECK: @_MergedGlobals = private global <{ [2 x i32], [2 x i32] }> <{ [2 x i32] [i32 1, i32 1], [2 x i32] [i32 2, i32 2] }>, align 4

; CHECK: @a = internal alias [2 x i32], getelementptr inbounds (<{ [2 x i32], [2 x i32] }>, <{ [2 x i32], [2 x i32] }>* @_MergedGlobals, i32 0, i32 0)
@a = internal global [2 x i32] [i32 1, i32 1], align 1

; CHECK: @b = internal alias [2 x i32], getelementptr inbounds (<{ [2 x i32], [2 x i32] }>, <{ [2 x i32], [2 x i32] }>* @_MergedGlobals, i32 0, i32 1)
@b = internal global [2 x i32] [i32 2, i32 2], align 1

define void @use() {
  ; CHECK: load i32, i32* getelementptr inbounds (<{ [2 x i32], [2 x i32] }>, <{ [2 x i32], [2 x i32] }>* @_MergedGlobals, i32 0, i32 0, i32 0)
  %x = load i32, i32* bitcast ([2 x i32]* @a to i32*)
  ; CHECK: load i32, i32* getelementptr inbounds (<{ [2 x i32], [2 x i32] }>, <{ [2 x i32], [2 x i32] }>* @_MergedGlobals, i32 0, i32 1, i32 0)
  %y = load i32, i32* bitcast ([2 x i32]* @b to i32*)
  ret void
}