File: not-prevailing-variables.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (35 lines) | stat: -rw-r--r-- 1,003 bytes parent folder | download | duplicates (5)
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
29
30
31
32
33
34
35
; RUN: opt -module-summary %s -o %t1.o
; RUN: llvm-lto2 run -save-temps -o %t2.o %t1.o      \
; RUN:   -r %t1.o,testVar1,plx -r %t1.o,testVar2,plx \
; RUN:   -r %t1.o,var1,pl -r %t1.o,var2,lx

; Test contains two retainedNodes: var1 and var2.
; var2 is not prevailing and here we check it is not inlined.

; Check 'var2' was not inlined.
; RUN: llvm-objdump -d %t2.o.1 | FileCheck %s
; CHECK:      testVar1:
; CHECK-NEXT:   movl $10, %eax
; CHECK-NEXT:   retq
; CHECK:      testVar2:
; CHECK-NEXT:   movl  (%rip), %eax
; CHECK-NEXT:   retq

; Check 'var2' is undefined.
; RUN: llvm-readelf --symbols %t2.o.1 | FileCheck %s --check-prefix=UND
; UND: NOTYPE  GLOBAL DEFAULT UND var2

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@var1 = global i32 10, align 4
define i32 @testVar1() {
  %1 = load i32, i32* @var1, align 4
  ret i32 %1
}

@var2 = global i32 11, align 4
define i32 @testVar2() {
  %1 = load i32, i32* @var2, align 4
  ret i32 %1
}