File: alignment.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8%2Bdeb10u2
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 734,616 kB
  • sloc: cpp: 3,776,926; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; javascript: 518; ruby: 156
file content (20 lines) | stat: -rw-r--r-- 1,186 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
; 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"

; CHECK: @_MergedGlobals = private global <{ [5 x i8], [3 x i8], [2 x i32] }> <{ [5 x i8] c"\01\01\01\01\01", [3 x i8] zeroinitializer, [2 x i32] [i32 2, i32 2] }>, align 4

; CHECK: @a = internal alias [5 x i8], getelementptr inbounds (<{ [5 x i8], [3 x i8], [2 x i32] }>, <{ [5 x i8], [3 x i8], [2 x i32] }>* @_MergedGlobals, i32 0, i32 0)
@a = internal global [5 x i8] [i8 1, i8 1, i8 1, i8 1, i8 1], align 4

; CHECK: @b = internal alias [2 x i32], getelementptr inbounds (<{ [5 x i8], [3 x i8], [2 x i32] }>, <{ [5 x i8], [3 x i8], [2 x i32] }>* @_MergedGlobals, i32 0, i32 2)
@b = internal global [2 x i32] [i32 2, i32 2]

define void @use() {
  ; CHECK: load i32, i32* bitcast (<{ [5 x i8], [3 x i8], [2 x i32] }>* @_MergedGlobals to i32*)
  %x = load i32, i32* bitcast ([5 x i8]* @a to i32*)
  ; CHECK: load i32, i32* getelementptr inbounds (<{ [5 x i8], [3 x i8], [2 x i32] }>, <{ [5 x i8], [3 x i8], [2 x i32] }>* @_MergedGlobals, i32 0, i32 2, i32 0)
  %y = load i32, i32* bitcast ([2 x i32]* @b to i32*)
  ret void
}