File: align.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 (28 lines) | stat: -rw-r--r-- 947 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
; RUN: opt -constmerge -S < %s | FileCheck %s

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"


; Test that with a TD we do merge and mark the alignment as 4
@T1A = internal unnamed_addr constant i32 1
@T1B = internal unnamed_addr constant i32 1, align 2
; CHECK: @T1B = internal unnamed_addr constant i32 1, align 4

define void @test1(i32** %P1, i32** %P2) {
  store i32* @T1A, i32** %P1
  store i32* @T1B, i32** %P2
  ret void
}


; Test that even with a TD we set the alignment to the maximum if both constants
; have explicit alignments.
@T2A = internal unnamed_addr constant i32 2, align 1
@T2B = internal unnamed_addr constant i32 2, align 2
; CHECK: @T2B = internal unnamed_addr constant i32 2, align 2

define void @test2(i32** %P1, i32** %P2) {
  store i32* @T2A, i32** %P1
  store i32* @T2B, i32** %P2
  ret void
}