File: const-base-addr.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (24 lines) | stat: -rw-r--r-- 865 bytes parent folder | download | duplicates (22)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
; RUN: opt -S -consthoist < %s | FileCheck %s

target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.9.0"

%T = type { i32, i32, i32, i32 }

; Test if even cheap base addresses are hoisted.
define i32 @test1() nounwind {
; CHECK-LABEL:  @test1
; CHECK:        %const = bitcast i32 12345678 to i32
; CHECK:        %1 = inttoptr i32 %const to %T*
; CHECK:        %addr1 = getelementptr %T, %T* %1, i32 0, i32 1
  %addr1 = getelementptr %T, %T* inttoptr (i32 12345678 to %T*), i32 0, i32 1
  %tmp1 = load i32, i32* %addr1
  %addr2 = getelementptr %T, %T* inttoptr (i32 12345678 to %T*), i32 0, i32 2
  %tmp2 = load i32, i32* %addr2
  %addr3 = getelementptr %T, %T* inttoptr (i32 12345678 to %T*), i32 0, i32 3
  %tmp3 = load i32, i32* %addr3
  %tmp4 = add i32 %tmp1, %tmp2
  %tmp5 = add i32 %tmp3, %tmp4
  ret i32 %tmp5
}