Florian Hahn 3fb914d851
[SCEV] Add initial support for ptrtoaddr. (#158032)
Add initial support for PtrToAddr to SCEV, including a new
SCEVPtrToAddrExpr and SCEV expansion support for it.

PR: https://github.com/llvm/llvm-project/pull/158032
2026-01-16 11:58:04 +00:00

71 lines
2.6 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt -passes='print<scalar-evolution>' -disable-output %s 2>&1 | FileCheck %s
target datalayout="p64:64:64:64"
define void @ptrtoaddr(ptr %in, ptr %out0, ptr %out1, ptr %out2, ptr %out3) {
; CHECK-LABEL: 'ptrtoaddr'
; CHECK-NEXT: Classifying expressions for: @ptrtoaddr
; CHECK-NEXT: %p0 = ptrtoaddr ptr %in to i64
; CHECK-NEXT: --> (ptrtoaddr ptr %in to i64) U: full-set S: full-set
; CHECK-NEXT: Determining loop execution counts for: @ptrtoaddr
;
%p0 = ptrtoaddr ptr %in to i64
store i64 %p0, ptr %out0
ret void
}
define void @ptrtoaddr_as1(ptr addrspace(1) %in, ptr %out0, ptr %out1, ptr %out2, ptr %out3) {
; CHECK-LABEL: 'ptrtoaddr_as1'
; CHECK-NEXT: Classifying expressions for: @ptrtoaddr_as1
; CHECK-NEXT: %p0 = ptrtoaddr ptr addrspace(1) %in to i64
; CHECK-NEXT: --> (ptrtoaddr ptr addrspace(1) %in to i64) U: full-set S: full-set
; CHECK-NEXT: Determining loop execution counts for: @ptrtoaddr_as1
;
%p0 = ptrtoaddr ptr addrspace(1) %in to i64
store i64 %p0, ptr %out0
ret void
}
define void @ptrtoaddr_of_bitcast(ptr %in, ptr %out0) {
; CHECK-LABEL: 'ptrtoaddr_of_bitcast'
; CHECK-NEXT: Classifying expressions for: @ptrtoaddr_of_bitcast
; CHECK-NEXT: %in_casted = bitcast ptr %in to ptr
; CHECK-NEXT: --> %in U: full-set S: full-set
; CHECK-NEXT: %p0 = ptrtoaddr ptr %in_casted to i64
; CHECK-NEXT: --> (ptrtoaddr ptr %in to i64) U: full-set S: full-set
; CHECK-NEXT: Determining loop execution counts for: @ptrtoaddr_of_bitcast
;
%in_casted = bitcast ptr %in to ptr
%p0 = ptrtoaddr ptr %in_casted to i64
store i64 %p0, ptr %out0
ret void
}
define void @ptrtoaddr_of_nullptr(ptr %out0) {
; CHECK-LABEL: 'ptrtoaddr_of_nullptr'
; CHECK-NEXT: Classifying expressions for: @ptrtoaddr_of_nullptr
; CHECK-NEXT: %p0 = ptrtoaddr ptr null to i64
; CHECK-NEXT: --> 0 U: [0,1) S: [0,1)
; CHECK-NEXT: Determining loop execution counts for: @ptrtoaddr_of_nullptr
;
%p0 = ptrtoaddr ptr null to i64
store i64 %p0, ptr %out0
ret void
}
define void @ptrtoaddr_of_gep(ptr %in, ptr %out0) {
; CHECK-LABEL: 'ptrtoaddr_of_gep'
; CHECK-NEXT: Classifying expressions for: @ptrtoaddr_of_gep
; CHECK-NEXT: %in_adj = getelementptr inbounds i8, ptr %in, i64 42
; CHECK-NEXT: --> (42 + %in) U: full-set S: full-set
; CHECK-NEXT: %p0 = ptrtoaddr ptr %in_adj to i64
; CHECK-NEXT: --> (ptrtoaddr ptr (42 + %in) to i64) U: full-set S: full-set
; CHECK-NEXT: Determining loop execution counts for: @ptrtoaddr_of_gep
;
%in_adj = getelementptr inbounds i8, ptr %in, i64 42
%p0 = ptrtoaddr ptr %in_adj to i64
store i64 %p0, ptr %out0
ret void
}