55 lines
1.9 KiB
LLVM
55 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -infer-address-spaces -o - %s | FileCheck %s
|
|
; https://github.com/llvm/llvm-project/issues/53665
|
|
|
|
define i32 @addrspacecast_ptrtoint_inttoptr(i8 addrspace(1)* %arg) {
|
|
; CHECK-LABEL: @addrspacecast_ptrtoint_inttoptr(
|
|
; CHECK-NEXT: bb:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i8 addrspace(1)* [[ARG:%.*]] to i32 addrspace(1)*
|
|
; CHECK-NEXT: [[LOAD:%.*]] = load i32, i32 addrspace(1)* [[TMP0]], align 4
|
|
; CHECK-NEXT: ret i32 [[LOAD]]
|
|
;
|
|
bb:
|
|
%asc = addrspacecast i8 addrspace(1)* %arg to i8*
|
|
%p2i = ptrtoint i8* %asc to i64
|
|
%i2p = inttoptr i64 %p2i to i32*
|
|
%load = load i32, i32* %i2p
|
|
ret i32 %load
|
|
}
|
|
|
|
define i32 @assumed_ptrtoint_inttoptr(i8* %arg) {
|
|
bb:
|
|
%is.priv = call i1 @llvm.amdgcn.is.private(i8* %arg)
|
|
%not.is.priv = xor i1 %is.priv, -1
|
|
%is.shared = call i1 @llvm.amdgcn.is.shared(i8* %arg)
|
|
%not.is.shared = xor i1 %is.shared, -1
|
|
%and = and i1 %not.is.priv, %not.is.shared
|
|
tail call void @llvm.assume(i1 %and)
|
|
%p2i = ptrtoint i8* %arg to i64
|
|
%i2p = inttoptr i64 %p2i to i32*
|
|
%load = load i32, i32* %i2p
|
|
ret i32 %load
|
|
}
|
|
|
|
define i32 @addrspacecast_ptrtoint_inttptr_nontrivial(i8 addrspace(3)* %arg) {
|
|
; CHECK-LABEL: @addrspacecast_ptrtoint_inttptr_nontrivial(
|
|
; CHECK-NEXT: bb:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i8 addrspace(3)* [[ARG:%.*]] to i32 addrspace(3)*
|
|
; CHECK-NEXT: [[LOAD:%.*]] = load i32, i32 addrspace(3)* [[TMP0]], align 4
|
|
; CHECK-NEXT: ret i32 [[LOAD]]
|
|
;
|
|
bb:
|
|
%asc = addrspacecast i8 addrspace(3)* %arg to i8*
|
|
%p2i = ptrtoint i8* %asc to i64
|
|
%i2p = inttoptr i64 %p2i to i32*
|
|
%load = load i32, i32* %i2p
|
|
ret i32 %load
|
|
}
|
|
|
|
declare void @llvm.assume(i1 noundef) #0
|
|
declare i1 @llvm.amdgcn.is.shared(i8* nocapture) #1
|
|
declare i1 @llvm.amdgcn.is.private(i8* nocapture) #1
|
|
|
|
attributes #0 = { inaccessiblememonly nofree nosync nounwind willreturn }
|
|
attributes #1 = { nounwind readnone speculatable willreturn }
|