File: const-base-addr.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (23 lines) | stat: -rw-r--r-- 852 bytes parent folder | download | duplicates (17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
; RUN: opt -S -passes=consthoist < %s | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"

%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 ptr
; CHECK:        %addr1 = getelementptr %T, ptr %1, i32 0, i32 1
  %addr1 = getelementptr %T, ptr inttoptr (i32 12345678 to ptr), i32 0, i32 1
  %tmp1 = load i32, ptr %addr1
  %addr2 = getelementptr %T, ptr inttoptr (i32 12345678 to ptr), i32 0, i32 2
  %tmp2 = load i32, ptr %addr2
  %addr3 = getelementptr %T, ptr inttoptr (i32 12345678 to ptr), i32 0, i32 3
  %tmp3 = load i32, ptr %addr3
  %tmp4 = add i32 %tmp1, %tmp2
  %tmp5 = add i32 %tmp3, %tmp4
  ret i32 %tmp5
}