File: force-opaque-ptr.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (26 lines) | stat: -rw-r--r-- 1,006 bytes parent folder | download | duplicates (3) 
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
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instcombine < %s | FileCheck %s

@g = global [16 x i16] zeroinitializer

define ptr @gep_constexpr_gv_1() {
; CHECK-LABEL: @gep_constexpr_gv_1(
; CHECK-NEXT:    ret ptr getelementptr inbounds (i8, ptr @g, i64 20)
;
  ret ptr getelementptr([16 x i16], ptr @g, i64 0, i64 10)
}

define ptr @gep_constexpr_gv_2() {
; CHECK-LABEL: @gep_constexpr_gv_2(
; CHECK-NEXT:    ret ptr getelementptr inbounds (i8, ptr @g, i64 24)
;
  ret ptr getelementptr(i32, ptr getelementptr([16 x i16], ptr @g, i64 0, i64 10), i64 1)
}

; Silly expression to get an inttoptr that does not combine with the GEP.
define ptr @gep_constexpr_inttoptr() {
; CHECK-LABEL: @gep_constexpr_inttoptr(
; CHECK-NEXT:    ret ptr getelementptr (i8, ptr inttoptr (i64 mul (i64 ptrtoint (ptr @g to i64), i64 2) to ptr), i64 20)
;
  ret ptr getelementptr([16 x i16], ptr inttoptr (i64 mul (i64 ptrtoint (ptr @g to i64), i64 2) to ptr), i64 0, i64 10)
}