forked from OSchip/llvm-project
33 lines
946 B
LLVM
33 lines
946 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; Function Attrs: readonly uwtable
|
|
define i1 @dot_ref_s(i32** noalias nocapture readonly dereferenceable(8)) {
|
|
entry-block:
|
|
%loadedptr = load i32*, i32** %0, align 8, !nonnull !0
|
|
%ptrtoint = ptrtoint i32* %loadedptr to i64
|
|
%inttoptr = inttoptr i64 %ptrtoint to i32*
|
|
%switchtmp = icmp eq i32* %inttoptr, null
|
|
ret i1 %switchtmp
|
|
|
|
; CHECK-LABEL: @dot_ref_s
|
|
; CHECK-NEXT: entry-block:
|
|
; CHECK-NEXT: ret i1 false
|
|
}
|
|
|
|
; Function Attrs: readonly uwtable
|
|
define i64* @function(i64* noalias nocapture readonly dereferenceable(8)) {
|
|
entry-block:
|
|
%loaded = load i64, i64* %0, align 8, !range !1
|
|
%inttoptr = inttoptr i64 %loaded to i64*
|
|
ret i64* %inttoptr
|
|
; CHECK-LABEL: @function
|
|
; CHECK: %{{.+}} = load i64*, i64** %{{.+}}, align 8, !nonnull
|
|
}
|
|
|
|
|
|
!0 = !{}
|
|
!1 = !{i64 1, i64 140737488355327}
|