File: cast-vector.ll

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (32 lines) | stat: -rw-r--r-- 1,321 bytes parent folder | download | duplicates (7)
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instsimplify -S | FileCheck %s

; Test constant fold of constant expression GEP used by ptrtoint (the
; "offsetof-like expression" case).
; This used to hit an assert due to not supporting vectors in
; llvm::ConstantFoldCastInstruction when handling ptrtoint.
define <2 x i16> @test1() {
; CHECK-LABEL: @test1(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret <2 x i16> ptrtoint (<2 x ptr> getelementptr inbounds ([10 x i32], ptr null, <2 x i64> zeroinitializer, <2 x i64> <i64 5, i64 7>) to <2 x i16>)
;
entry:
  %gep = getelementptr inbounds [10 x i32], ptr null, i16 0, <2 x i16> <i16 5, i16 7>
  %vec = ptrtoint <2 x ptr> %gep to <2 x i16>
  ret <2 x i16> %vec
}

; Test constant fold of constant expression GEP used by ptrtoint (the
; "sizeof-like expression" case).
; This used to hit an assert due to not supporting vectors in
; llvm::ConstantFoldCastInstruction when handling ptrtoint.
define <2 x i16> @test2() {
; CHECK-LABEL: @test2(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret <2 x i16> ptrtoint (<2 x ptr> getelementptr (i32, ptr null, <2 x i64> <i64 5, i64 7>) to <2 x i16>)
;
entry:
  %gep = getelementptr i32, ptr null, <2 x i16> <i16 5, i16 7>
  %vec = ptrtoint <2 x ptr> %gep to <2 x i16>
  ret <2 x i16> %vec
}