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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=instcombine -S -disable-i2p-p2i-opt < %s | FileCheck %s
target datalayout = "e-p:64:64-p1:16:16-p2:32:32:32-p3:64:64:64"
target triple = "x86_64-unknown-linux-gnu"
; convert ptrtoint [ phi[ inttoptr (ptrtoint (x) ) ] ---> ptrtoint (phi[x])
define i64 @func(ptr %X, ptr %Y, i1 %cond) {
; CHECK-LABEL: @func(
; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: bb2:
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[PHI_IN:%.*]] = phi ptr [ [[X:%.*]], [[BB1]] ], [ [[Y:%.*]], [[BB2]] ]
; CHECK-NEXT: [[X_P_I:%.*]] = ptrtoint ptr [[PHI_IN]] to i64
; CHECK-NEXT: ret i64 [[X_P_I]]
;
br i1 %cond, label %bb1, label %bb2
bb1:
%X.i = ptrtoint ptr %X to i64
%X.p = inttoptr i64 %X.i to ptr
br label %exit
bb2:
%Y.i = ptrtoint ptr %Y to i64
%Y.p = inttoptr i64 %Y.i to ptr
br label %exit
exit:
%phi = phi ptr [%X.p, %bb1], [%Y.p, %bb2]
%X.p.i = ptrtoint ptr %phi to i64
ret i64 %X.p.i
}
define i64 @func_single_operand(ptr %X, ptr %Y, i1 %cond) {
; CHECK-LABEL: @func_single_operand(
; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[EXIT:%.*]]
; CHECK: bb1:
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ [[X:%.*]], [[BB1]] ], [ [[Y:%.*]], [[TMP0:%.*]] ]
; CHECK-NEXT: [[X_P_I:%.*]] = ptrtoint ptr [[PHI]] to i64
; CHECK-NEXT: ret i64 [[X_P_I]]
;
br i1 %cond, label %bb1, label %exit
bb1:
%X.i = ptrtoint ptr %X to i64
%X.p = inttoptr i64 %X.i to ptr
br label %exit
exit:
%phi = phi ptr [%X.p, %bb1], [%Y, %0]
%X.p.i = ptrtoint ptr %phi to i64
ret i64 %X.p.i
}
define i64 @func_pointer_different_types(ptr %X, ptr %Y, i1 %cond) {
; CHECK-LABEL: @func_pointer_different_types(
; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[EXIT:%.*]]
; CHECK: bb1:
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ [[X:%.*]], [[BB1]] ], [ [[Y:%.*]], [[TMP0:%.*]] ]
; CHECK-NEXT: [[X_P_I:%.*]] = ptrtoint ptr [[PHI]] to i64
; CHECK-NEXT: ret i64 [[X_P_I]]
;
br i1 %cond, label %bb1, label %exit
bb1:
%X.i = ptrtoint ptr %X to i64
%X.p = inttoptr i64 %X.i to ptr
br label %exit
exit:
%phi = phi ptr [%X.p, %bb1], [%Y, %0]
%X.p.i = ptrtoint ptr %phi to i64
ret i64 %X.p.i
}
; Negative test - Wrong Integer type
define i64 @func_integer_type_too_small(ptr %X, ptr %Y, i1 %cond) {
; CHECK-LABEL: @func_integer_type_too_small(
; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[EXIT:%.*]]
; CHECK: bb1:
; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[X:%.*]] to i64
; CHECK-NEXT: [[TMP2:%.*]] = and i64 [[TMP1]], 4294967295
; CHECK-NEXT: [[X_P:%.*]] = inttoptr i64 [[TMP2]] to ptr
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ [[X_P]], [[BB1]] ], [ [[Y:%.*]], [[TMP0:%.*]] ]
; CHECK-NEXT: [[X_P_I:%.*]] = ptrtoint ptr [[PHI]] to i64
; CHECK-NEXT: ret i64 [[X_P_I]]
;
br i1 %cond, label %bb1, label %exit
bb1:
%X.i = ptrtoint ptr %X to i32
%X.p = inttoptr i32 %X.i to ptr
br label %exit
exit:
%phi = phi ptr [%X.p, %bb1], [%Y, %0]
%X.p.i = ptrtoint ptr %phi to i64
ret i64 %X.p.i
}
; Negative test - phi not used in ptrtoint
define ptr @func_phi_not_use_in_ptr2int(ptr %X, ptr %Y, i1 %cond) {
; CHECK-LABEL: @func_phi_not_use_in_ptr2int(
; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[EXIT:%.*]]
; CHECK: bb1:
; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[X:%.*]] to i64
; CHECK-NEXT: [[TMP2:%.*]] = and i64 [[TMP1]], 4294967295
; CHECK-NEXT: [[X_P:%.*]] = inttoptr i64 [[TMP2]] to ptr
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ [[X_P]], [[BB1]] ], [ [[Y:%.*]], [[TMP0:%.*]] ]
; CHECK-NEXT: ret ptr [[PHI]]
;
br i1 %cond, label %bb1, label %exit
bb1:
%X.i = ptrtoint ptr %X to i32
%X.p = inttoptr i32 %X.i to ptr
br label %exit
exit:
%phi = phi ptr [%X.p, %bb1], [%Y, %0]
ret ptr %phi
}
; Negative test - Pointers in different address spaces
define i64 @func_ptr_different_addrspace(ptr addrspace(2) %X, ptr %Y, i1 %cond) {
; CHECK-LABEL: @func_ptr_different_addrspace(
; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[EXIT:%.*]]
; CHECK: bb1:
; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr addrspace(2) [[X:%.*]] to i32
; CHECK-NEXT: [[X_I:%.*]] = zext i32 [[TMP1]] to i64
; CHECK-NEXT: [[X_P:%.*]] = inttoptr i64 [[X_I]] to ptr
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ [[X_P]], [[BB1]] ], [ [[Y:%.*]], [[TMP0:%.*]] ]
; CHECK-NEXT: [[X_P_I:%.*]] = ptrtoint ptr [[PHI]] to i64
; CHECK-NEXT: ret i64 [[X_P_I]]
;
br i1 %cond, label %bb1, label %exit
bb1:
%X.i = ptrtoint ptr addrspace(2) %X to i64
%X.p = inttoptr i64 %X.i to ptr
br label %exit
exit:
%phi = phi ptr [%X.p, %bb1], [%Y, %0]
%X.p.i = ptrtoint ptr %phi to i64
ret i64 %X.p.i
}
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